Dongguan factory triac spot BTA80-800B wholesale authentic agent of the transistor you are using a one-way thyristor, which is commonly known as ordinary thyristor SCR pipe, which is composed of four layers of semiconductor material, there are three PN junction, there are three external electrode [Fig. 2 (a)]: a first P-type semiconductor layer is called an anode lead-out electrode A, the third P-type semiconductor layer, called the gate lead-out electrode G, a fourth layer of N-type semiconductor electrode drawn called cathode K. The thyristor circuit symbol [Fig 2 (b)] can be seen SCR, and the diode as it is a unidirectional conducting device, the key is more than one control electrode G, which makes it has a completely different diode operating characteristics. Supply genuine original identification of SCR SCR SCR MURF1620CTOK three poles of the method is very simple, according to the principle of the PN junction, just use a multimeter to measure the resistance value between three poles can be. Forward and reverse resistance between the anode and the cathode in a few hundred kilohms or more forward and reverse resistance thyristor Dongguan wholesalers, between the anode and the control electrode over a few hundred kilohms (two therebetween a PN junction, and in the opposite direction, so the anode electrode and the positive and negative controls do not pass). Between the control electrode and the cathode is a PN junction, so it forward resistance around Europe in a few - a few hundred ohms range, reverse resistance is larger than the forward resistance. But the control electrode is less than ideal diode characteristics, the reverse was not completely blocked state triac manufacturers, wholesale, you can have a relatively large current passed, and sometimes reverse the control electrode measured resistance is relatively small, and can not Description Control feature extremely bad. In addition, the measurement and control very positive and negative resistance, the multimeter should be placed on R * 10 or R * 1 block, to prevent the reverse breakdown voltage is too high the control electrode. If the measured positive and negative elements of cathode and anode shorted SCR Fujian manufacturers, or the anode and the control electrode short circuit, reverse or control electrode and cathode short circuit, open circuit or control electrode and cathode, indicating element is damaged. Shenzhen SCR manufacturers _ are fertile Electronics (certified) _ SCR Dongguan City is provided by Wal-Electronic Technology Co., Dongguan City is Wal-Electronic Technology Co., Ltd. (www.dgmydz.com) is Dongguan, FET leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Wal-electronics leader in the positive with the staff warmly welcome all inquiries negotiations to create a positive future Wal-electron better.