Catalog > Semiconductors > Discrete Semiconductors > Diodes > Rectifier for Microwave Oven Diode for Microwave Oven Diode HKD MICROWAVE OVEN HV DIODE 12KV Diode for Microwave Oven 350mA 12KV 11.89 ZAR inc for 1 Each 80 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features There are two high-voltage diodes in the microwave oven, and their effects are to rectify the high-voltage diodes respectively; High pressure maintenance effect; If the reverse voltage is too high, the diode will reverse breakdown, form a path and maintain the circuit. When rectifying the effect of the high-voltage diode, when the rectification effect is broken, the high-voltage fuse will be blown, and the high-voltage diode will be blown inside, only the communication high voltage is availabel, and there is no DC high voltage. If a certain DC voltage is applied between the anode and the cathode, the electrons emitted by the cathode will fly to the anode under the influence of the positive potential of the anode. If there is a magnet effect, there is a magnetic field with a straight direction and electric field in space, and the electrons will make a wheel swing motion under the effect of magnetic field force and electric field force. Because there is a high-frequency electric field in the anode resonant cavity, an electron cloud rotating around the anode will be formed: when the rotating speed is synchronized with the high-frequency magnetic field, the electrons will give all their energy to the high-frequency magnetic field and then keep high-frequency vibration.