Thermostatic circuit with protective function
Source: InternetPublisher:jikai233 Keywords: Protection function thermostat circuit control circuit Updated: 2021/04/06
Working principle of the circuit: The mains voltage is stepped down by capacitor C2, VD. Rectification, C.
After filtering , it is used as power supply for the control circuit . The function of the VD2 Zener diode is to C.
The rectified voltage is limited so that it is basically stable at 12 V.
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