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Capacitor step-down economical lamp circuit diagram
Source: InternetPublisher:qoistoochee128 Keywords: Buck type economical lamp Updated: 2021/09/12
As shown in the figure, this circuit is simple and practical.
As shown in a, when K is closed, the inrush current is short-circuited by K, and the small bulb goes out; when K is disconnected, the small bulb lights up, and the control method of K is opposite to the usual one.
Shown in b is a string of several small bulbs for lighting. The capacitor plays the role of power compensation and has a certain effect on eliminating external interference. Be careful and pay attention to safety when using this circuit.
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