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A diode is an electronic device made of semiconductor materials such as silicon, selenium, and germanium. It has unidirectional conductivity, that is, when a forward voltage is applied to the anode and cathode of the diode, the diode is turned on. When a reverse voltage is applied to the anode and cathode, the diode is turned off. Therefore, the turn-on and turn-off of the diode are equivalent to the turn-on and turn-off of the switch. The positive and negative terminals of the diode, one end is called the anode, and the other is called the cathode. The current can only move from the anode to the cathode. A diode is a device composed of semiconductors. A semiconductor can flow current in any direction.

Characteristics of the diode:

1. Positive

In the current range of regular use, the terminal voltage of the diode remains almost unchanged when it is turned on. This voltage is called the forward voltage of the diode.

2. Reversibility

When the applied reverse voltage does not exceed a specific range, the current through the diode is a reverse current formed by the drifting movement of minority carriers. Since the reverse current is minimal, the diode is in an off state. This reverse current is also called reverse saturation current or leakage current. The reverse saturation current of the diode is greatly affected by temperature.

3. Breakdown

When the applied reverse voltage exceeds a particular value, the reverse current will suddenly increase. This phenomenon is called electrical breakdown. The critical voltage that causes electrical breakdown is called the diode reverse breakdown voltage.

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Dustin Park 2021/7/1 20:13:42
Q:Can you assist in apw8 power supply repair? Delivered 120v instead of 220v
Needs repairs - short circuits now
A:Dear Sir/Madam, please follow our FAQ and contact us after sale service for support. thank you.
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Lukas 2021/5/26 20:18:31
Q:Hellou, we are looking for PSU T17+ machine. Is there available. We need less than MQQ is possible to shill less units?
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rene perez 2021/5/20 11:09:42
Q:im interested in setting up a repair shop in margarita island in venezuela, i used to be a miner myself a while ago but life happened, now im trying to get myself back into the game at least as a repair tech, what would you consider a small but considerable investment towards my goal? of course id love to also stablish a line of commerce with you since you provide replacement chips and equipment which im highly interested in (most mining asics here are s9 and newer versions of antminers)
A:Dear Sir/Madam, please refer to our FAQ or contact us for Pre-sale service via whats app. Thank you.
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لیلا 2021/5/14 13:49:41
Q:آی سی دما در s9و t1 دقیقا کدوم هشبرده؟
A:Уважаемый господин / госпожа, пожалуйста, ознакомьтесь с нашими часто задаваемыми вопросами или свяжитесь с нами через приложение Whats, чтобы получить предпродажное обслуживание. Спасибо.
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