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How will you differentiate the diodes whether it is Zener or avalanche when you are given two diodes of rating 6.2 v and 24V?
Wiki User
∙ 13y ago
Zener breakdown happens at low voltages, whereas avalanche breakdown happens at higher voltages. So diode with 6.2v is having zener breakdown rest is avalanche breakdown in this case.
Wiki User
∙ 13y ago
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What PIV rating is required for the diodes in a bridge rectifier that produces an average output voltage of 50 V?
Its 50-0.7=49.3V Using this Formula : PIV Rating = Vout - 0.7V
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The 1N5408 is rated 3 amperes forward current and 1000 volt reverse voltage, with a 200 ampere peak surge current rating. The BY255 is rated 3 amperes forward current and 1300 volt reverse voltage, with a 100 amperes peak surge current rating. The two diodes are comparable, but the 1N5408 has a higher transient rating. Since it does not seem that you are talking about a power supply application, you can probably substitute the BY255 for a 1N5408. It depends on the circuit design, but most circuits (if properly designed) are over-rated so, again, it would probably work. I would not use the BY255 in the power supply, however, due to the short term transient that comes from turning on the power. Again, circuit design prevails, and it might work even there, because inrush current will be limited by the inductance of the transformer and the dynamic resistance of the diode.
What is power rating of transistor?
what is the power rating of a transister
How will you differentiate the diodes whether it is zener or an avalanche when you are given two diodes of rating 6.2V and 24V?
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What is difference between power diode and ordinary diode?
the High voltage rated diodes are power diodes while of low rating or normal voltage rating are considered to as ordinary / normal diode
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Characteristics of diodes?
forward drop, reverse breakdown voltage, power rating. hope that's what you wanted.
What should be the PIV rating of the diodes in the full wave rectifire?
A: The same as a half wave rectifier RMS x1.41
You need a 1watt zener diode for your circuit but you have only four .25W If you connect four .25 Watt of zener diodes in parallel Is it the resultant wattage become 1 Watt?
No, four zener diodes in parallel will not increase the power rating of the set. This is because one zener will always conduct first, so it will be the only one that has current through it. If, however, you put four zener diodes in series, each with a voltage rating one quarter your desired voltage, you can achieve a higher power rating for the set.
What PIV rating is required for the diodes in a bridge rectifier that produces an average output voltage of 50 V?
Its 50-0.7=49.3V Using this Formula : PIV Rating = Vout - 0.7V
Which type of diode used in bridge rectifier?
You can use most diodes for that purpose, and particularly silicon diodes. However, you should not use zener diodes and similar for rectification purposes. Otherwise, you will likely not get the intended result. If the voltage exceeds the avalanche voltage, then the zener diode will no longer rectify, but conduct the other way as well.
What is Meaning of diode rating?
There are two diode ratings. One is the forward current rating, and the other is the reverse breakdown voltage rating. The forward current rating is the maximum current that the diode can conduct before failing, and the reverse breakdown voltage rating is the maximum reverse voltage that can be applied before failing. Of course, the reverse voltage rating has a different meaning in a zener diode, but this answer applies to ordinary diodes.
