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"videoThumbnail ЧЕМ ОТЛИЧАЮТСЯ КОНДЕНСАТОРЫ РАЗНЫХ ТИПОВ | Можно ли заменить один тип на другой?
Table of contents
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Table of contents

0:00
Конденсатор разного типа
0:01
Зачем нужны конденсаторы
0:02
Полярные и не полярные конденсаторы
0:02
Как подобрать правильный конденсатор
0:03
Алюминиевые электролитические конденсаторы
0:04
Можно ли заменить электролитические конденсаторы на керамические
0:04
Можно ли поставить конденсатор другой ёмкости или напряжения
0:05
Можно ли заменить электролитические на твёрдотельные кондёры
0:06
Когда нужны танталовые конденсаторы
0:07
Где применяются керамические конденсаторы
0:09
Когда используют плёночные конденсаторы
0:10
Слюдяные конденсаторы
0:10
Где достать хорошие конденсаторы
Video tags
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Video tags

конденсаторы
кондёры
типы конденсаторов
виды конденсаторов
конденсаторы разных типов
замена конденсатора
ёмкость конденсатора
электролитические конденсаторы
керамические конденсаторы
твердотельные конденсаторы
пленочные конденсаторы
радиолюбитель
радиолюбитель tv
радиолюбитель тв
электроника
радиоэлектроника
начинающий радиолюбитель
для начинающих радиолюбителей
радио
электроника своими руками
основы электроники
уроки радиоэлектроники
Subtitles
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Subtitles

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  • ruRussian
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00:00:02
this is ceramic, this is film, this is
00:00:04
tantalum, this is polymer, this is mica, there are
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simply a huge variety of different
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types of designs and different
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applications, but is it possible to simply take an
00:00:14
electrolytic capacitor, for example, with a
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capacity of 10 microfarads and replace it, for
00:00:18
example, with a ceramic capacitor of the
00:00:20
same capacity or, for example, with a film
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capacitor of that the same denomination of all,
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welcome dear friends on the
00:00:25
radius defender channel, today we
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will again deal with capacitors,
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why there are so many types of them, we will
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consider in what cases
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those lengths of capacitors are used, when
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can it be replaced with another type and will it be
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better when to do this it is absolutely
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impossible to see we can also whether to replace a
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capacitor with a larger capacitance or a higher
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or lower rated voltage
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when it is critical when it is not but for those
00:00:48
who are already developing their own electronic
00:00:50
devices
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you will certainly need a printed circuit
00:00:53
board that a
00:00:55
Jersey company can develop for you of very high quality on
00:00:57
its own, just send
00:00:59
the sketch you need and they will make a printed circuit board board of
00:01:01
almost any complexity double-sided
00:01:04
multilayer different shapes they
00:01:07
do it all perfectly and by the way they recently
00:01:09
came out with a new product purple printed circuit
00:01:11
boards suitable for expanding
00:01:13
design options prices start at $2 for
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5 boards in my opinion it’s very profitable the link
00:01:18
will be in the description under the video capacitors
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are used in Almost any
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electronic circuit from the simplest
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multivibrator to motherboards and
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any power supply of any electronic
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device capacitors are a
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2-water component they
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are used for a variety of purposes
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for filtering energy storage
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voltage pulse suppression decoupling
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smoothing and other tasks in the
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simplest case they consist of two
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parallel plates separated by an
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insulating material
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called dela click on my channel we have
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already talked many times about the capacitor,
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how it works, how it behaves in
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alternating circuits, how it behaves in
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constant circuits, what to do if
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the capacitor is swollen, how to check it and
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what is the sir of a capacitor so
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if you are not yet familiar with the companies, you
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can first get acquainted with my
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playlist about them, so first of all,
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capacitors can be understandable and
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non-polar; polar capacitors include
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practically those electrolytic and
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tantalum capacitors, and they should not always be
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connected taking into account the polarity of the
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voltage, that is, you cannot confuse
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the plus and minus, otherwise this can lead to a
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short circuit, well, the minus is
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usually very well and clearly marked on them,
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so you are unlikely to confuse them. Ceramic mica and film capacitors are non-polar, since they are non-polar, they can work with any polarity, that is,
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it doesn’t matter which side you use them on put the
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circuit capacitor is always ready to work
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in this non-polar capacitors are similar
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to a resistor and what is most important is their non-
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polarity makes them suitable for
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use in alternating current circuits where
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you cannot put, for example, a
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polar electrolytic candy, we have already
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figured out if, for example, there is a
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film capacitor in an alternating current circuit
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current, then replacing it with an
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electrolytic one of the same rating is no
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longer possible, and in general, selecting a
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capacitor only looking at the capacitance and
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operating voltage is incorrect.
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Capacitors have many other
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important characteristics, such as, for example,
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operating temperature, tolerance on ratings,
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that is, for example, how much the capacitance can
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deviate from the value indicated on the
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case stability the same sr
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electronic strength and others this
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makes each specific type of
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capacitor suitable for each
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specific application so let's
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look at their advantages and features
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and first consider aluminum
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electrolytic capacitors - these are
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perhaps the most common capacitors with which
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we have to deal we already remember
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that they are polar and therefore cannot be
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used in alternating
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voltage circuits; they can have a fairly
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high rated capacitance, but the
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deviation from this rating can
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reach up to 20 percent, that is, you
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see in the office that it is 100
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microfarats, but in fact it can be
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120 microfarads and 80 microfarads, so
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aluminum electrolytes are optimal in
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cases where high precision is not required,
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most often they are not used
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as decoupling capacitors in
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power supplies, where they are used
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to reduce voltage ripple, and
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many people ask whether
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electrolytes can be replaced, for example, with
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ceramic capacitors which
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lower sr less sensitivity
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to heat much longer service life and
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usually better mechanical strength
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this question usually arises when it is
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necessary to reduce the circuit and the electrolyte is
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usually large but not so
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simple some circuits require a
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certain minimum and cheese from the
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output capacitor which can cause
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circuit oscillations when using
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ceramics, their capacitance can also
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deteriorate significantly with voltage and
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Chiesa effects can occur, but in
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switching power supplies, ceramics
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can be a better solution than
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electrolytes, unless of course you
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need too large a capacitance in
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ceramic capacitors, it is usually
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small, let's now look at
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this circuit As you can see, there are sound amplifiers
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here, or Conders, two of
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them are non-polar, one is polar, the polar ones
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are at the input of the amplifier, the
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sound source itself passes through them, and what
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would happen, for example, if instead of a capacitance of 22
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hundredths of a microfarad, for example, you put in a
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smaller one hundredth of a microfarad, or
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in another way, 10 nanofarads, of course it will immediately
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worsen the sound quality and sound in the
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speakers will become noticeably quieter, but let’s,
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on the contrary, increase the capacity, the more the
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better, because we’ll put in a whole microfarad, that
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is, about five times more than
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the nominal value, but here at higher volumes,
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oh, we’ll get wheezing in the speakers,
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the amplifier will overload the
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sound quality again I want to give the snare will
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heat up more, so in such
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cases and in general, capacitors usually
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need to be replaced with a capacitance close in
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value, but the fly condenser we already have is
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polar at 407 microfarads, it is in the
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power circuit, if you replace it, then it’s even
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better to put a larger capacitance, but
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put capacitors at a lower
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voltage than the circuit is worth, this
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can cause it to heat up and explode. If, for
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example, the circuit operates from 12 volts, then you
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need to set the canyon to 16 volts, and
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accordingly, if the circuit operates from 15
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volts, then it is better to set it to
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twenty-five volts, that is, take
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the voltage reserve, but not too
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large, but what makes sense to replace
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is aluminum electrolytic
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capacitors with solid polymer
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capacitors,
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then this is necessarily essentially the same
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electrolytic capacitor; it
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uses a special conductive
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polymer, while conventional ones
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use a liquid electrolyte,
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this is already a plus for the condenser since due to
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its precision, this eliminates the
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possibility of
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electrolyte evaporation. The second significant advantage of
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solid-state candiru is that the
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reduction in this indicator has led to the fact
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that it has become possible to use less
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capacitive capacitors and, accordingly,
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smaller sizes. The same conditions also have the
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advantage of these capacitors that they are less
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sensitive to temperature changes and which
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means that the long service life of such a
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capacitor will be much longer and you won’t
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have to replace it often. You can also
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try replacing cheap electrolytic capacitors or
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you too with electrolytic
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capacitors only VSR markings. These
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will be higher quality reliable
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capacitors that will last a long time.
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There are also tantalum capacitors,
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this is also a subtype of electrolytic
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capacitors; use is necessary
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exercise caution as they
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are prone to catastrophic
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failure even when exposed to
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voltage pulses with an amplitude only slightly
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greater than the rated operating
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voltage.
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Tantalum candida have a high
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capacitance rating and have excellent
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temporary stability. They are smaller in
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size than aluminum
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electrolytic candida of the same capacity,
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but aluminum electrolytes can
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withstand more. high maximum
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voltages due to the low leakage current
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stability of the high capacitance tantalum and are
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often used in sample
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storage circuits that require a
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minimum leakage current for
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long-term charge storage and
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due to their small size and
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long-term stability they are
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used for filtering along
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power circuits. Now let’s take a closer look at
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obscure capacitors and Let's start with
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ceramic, there are two main
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types of ceramic Candida capacitors:
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multilayer SMD capacitors and conventional
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ceramic disk capacitors are
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very popular and widely
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used in electronic devices
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because they have high
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stability and low losses,
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they have low series
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resistance and a minimum
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nominal error compared to those
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electrolytic tantalum
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capacitors and at the same time their
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maximum capacity is small and
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reaches only a few tens of
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microfarads, but due to the high specific
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capacitance they have very small dimensions and are
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excellent for placement on
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printed circuit boards since they are non-polar they
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can be used in AC circuits
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current and they are widely
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used as universal
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capacitors for example for
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high-frequency decoupling filtering
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tuning resonators or suppressing
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electromagnetic interference ceramic
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counterparts are divided into two classes
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Class 1 is an accurate tolerance plus or minus five
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percent stable capacitors with a
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minimal dependence of capacitance on
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temperature but their maximum capacitance is
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generally limited just a few minutes
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anaphora to the lady since they are accurate and
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stable, they are most often used in a
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system with frequency regulation;
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ceramic capacitors of the second class are
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less accurate but provide a
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higher specific capacitance ratings of up to
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tens of microfarads and therefore are
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suitable for filtering decoupling. Among the
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disadvantages, a large
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voltage coefficient can be noted, for example, even when a
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voltage equal to half the
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working voltage is applied, a decrease in
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capacitance by 50 percent is usually observed. In general,
00:09:05
there are many subtypes of classes of
00:09:07
ceramic capacitors x 5 x mr y5
00:09:11
ii if you are interested in
00:09:12
understanding this, write in the comments I
00:09:14
will make a video about this now about film
00:09:16
capacitors
00:09:17
these are also non-polar capacitors their
00:09:19
disadvantage which does not have a lower
00:09:21
capacitance density than the same
00:09:23
electrolytic ones, that is, with the same
00:09:25
size, their capacitance will be smaller, but
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they have noticeably less weight, which allows you
00:09:29
to increase the permissible ripple current and
00:09:31
also film capacitors are more tolerant of
00:09:33
overvoltage surges if
00:09:36
energy accumulation is not the main task then
00:09:38
film capacitors are superior to
00:09:40
electrolytic ones, for example, for a
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low-voltage sense of direct current, it
00:09:43
is necessary to install capacitors capable of
00:09:45
passing ripple currents of
00:09:47
hundreds and sometimes thousands of amperes; in this
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case, a low value for the purpose is a
00:09:51
key parameter; in addition, film
00:09:54
capacitors are well suited for use in
00:09:55
high-voltage equipment;
00:09:57
their maximum permissible the voltage
00:09:58
reaches several thousand remote control
00:10:01
when electrolytes this indicator is
00:10:03
limited and the finishing value is also a film
00:10:05
capacitor and is often used in circuits
00:10:07
with an analog-to-digital converter,
00:10:09
usually their capacitance is measured from
00:10:11
picofarads to hundreds of nanofarads also
00:10:13
strange capacitors are
00:10:15
mica capacitors, they are characterized by
00:10:17
low losses, high
00:10:19
stability and have excellent
00:10:21
characteristics at high frequencies,
00:10:23
they are effective when working as part of
00:10:25
radio frequency circuits, but they are very expensive,
00:10:27
therefore, ceramic capacitors are often used in low-power
00:10:37
devices; however, mica capacitors, due to their high breakdown voltage, remain practically irreplaceable for such devices as, for example,
00:10:39
high-power radio transmitters, as you can see for each
00:10:41
type of capacitor it has its own task, which
00:10:44
it copes with better than another type of
00:10:46
capacitor, which is why we see such a
00:10:48
variety of types and classes of different
00:10:50
capacitors, and replacing one type
00:10:52
of capacitor with another is not always a
00:10:54
good solution; capacitors of
00:10:55
almost any type can be found on
00:10:58
Ali Express; there are the most profitable brothers;
00:11:00
they are sold for a whole month, for example.
00:11:02
electrolytic of various denominations
00:11:04
and voltages there are glory and sir
00:11:06
capacitors solid-state tantalum
00:11:09
ceramic smd ceramic everything
00:11:11
can be found there, of course, film
00:11:13
and mica also for the operation of
00:11:15
capacitors you may need
00:11:17
such a device, the so-called LSR
00:11:19
transistor meter, with the help of it you can
00:11:21
determine the nominal value and with any
00:11:23
capacitor, and indeed many
00:11:25
radio components, there are also multimeters
00:11:27
that allow you to measure the capacitance of
00:11:28
capacitors, it can be very convenient to link
00:11:31
to them on capacitors and, in general, to a
00:11:33
lot of interesting things that will be useful
00:11:35
when doing electronics, I will leave them in
00:11:37
the description under the video, the sellers are reliable, but
00:11:39
you can like them this will help
00:11:41
promote the channel, videos will be released
00:11:43
more often, write in the comments so that it is still
00:11:46
interesting to learn about electronics,
00:11:48
go to our trigram channel funny
00:11:49
drone, we also have various
00:11:51
interesting things about electronics and of course
00:11:53
subscribe to this YouTube channel
00:11:55
amateur radio, then you are ahead of us
00:11:57
planned a lot of interesting things, but if
00:11:58
you don’t subscribe, you’ll miss the new video, but I
00:12:01
’ll say goodbye to you all for now

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