Teach you how to quickly detect thyristor module

by:Positioning     2021-01-08
Thyristor module has a very wide range of application scope, thyristor is divided into ChanXiangJing thyratron, bidirectional thyristor, the stand or fall of how to measure them, and determine their three pole? To teach you the detection method of thyristor module. According to the structure of the ordinary thyristor module, between gate and cathode for a p-n junction, with unidirectional conductivity, and between the anode and the gate has two reverse polarity series of p-n junction. * 1 * 100 or so by multimeter R R k block measurement ordinary thyristor resistance value between each pin, which can determine the three electrodes. Specific methods is that the black pens and a multimeter as thyristor a pole, red pens and, in turn, to touch the other two electrodes, if have a resistance measurement results for a few hundred ohms, can determine the black pens and pick up the gate. In the measurement of resistance to several hundred ohms, red pens and the cathode, and in the measurement of resistance for several thousand ohms, red pens and the anode, if two measured value are very big, then black pens and not gate, used the same method to measure other electrodes, until find out three electrodes. Can also be measured as direction, the resistance between two feet, if the positive and negative resistance is close to infinity, the poles as anode and cathode, and the other foot for the gate. Ordinary thyristor module may also be judged according to their packaging format each electrode. The bolt end of the bolt shape ordinary thyristor module as the anode, a finer pins for gate, coarser pins as the cathode. Flat ordinary thyristor module extension line terminal for gate, flat end as the anode, the other end of the cathode. Encapsulation ( - 220). Ordinary thyristor in the middle of the pin as the anode, and are connected with heat sink. Thyristor module true experts, in order to your satisfaction, we really heart. If interested in our thyristor module or there is doubt, welcome your consultation.
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