Thyristor or SCR Testing Procedure | Procedure to Test the Thyristor with the help of Multimeter

Power Thyristor/Diode Module PK25FG series are designed for various rectifier circuits and power controls. For your circuit application, following internal connections and wide voltage ratings up to 1600V are available and electrically isolated mounting base make your mechanical design easy.

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Procedure to Test the Thyristor with the help of Multimeter:
 To test the THYRISTOR, keep the Multimeter into Ohm/Diode meter mode.
 Connect the positive output lead of the multimeter to the anode and the negative lead to the cathode.
 The multimeter should indicate no continuity.
 Touch the gate of the THYRISTOR to the anode.
 The multimeter should indicate continuity through the THYRISTOR.
 When the gate lead is removed from the anode, conduction may stop or continue depending on whether the multimeter is supplying enough current to keep the device above its holding current level.
 If the multimeter indicates continuity through the THYRISTOR before the gate is touched to the anode, it indicates that the THYRISTOR is shorted.
 If the multimeter will not indicate continuity through the THYRISTOR after the gate has been touched to the anode, it indicates that the THYRISTOR is open.

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