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Relay Switch Circuit and Relay Switching Circuit

Posted by jpluimers on 2018/11/08

Via yesterdays post on a bench power supply fabricated from an ATX power supply, I found this very interesting set of relay switching circuits:

Electronics Tutorial about the Relay Switch Circuit and relay switching circuits used to control a variety of loads in circuit switching applications

[WayBackRelay Switch Circuit and Relay Switching Circuit

The images below are from that site. Note the BC337 and BC109 have different voltage/power specs. See [WayBackBC337/BC109 datasheet & application note – Datasheet Archive.

–jeroen

NPN Relay Switch Circuit

NPN Relay Switch Circuit

NPN Relay Switch Circuit

NPN Relay Switch Circuit

NPN Darlington Relay Switch Circuit

NPN Darlington Relay Switch Circuit

Emitter Follower Relay Switch Circuit

Emitter Follower Relay Switch Circuit

 

Emitter Darlington Relay Switch Circuit

Emitter Darlington Relay Switch Circuit

PNP Relay Switch Circuit

PNP Relay Switch Circuit

PNP Collector Relay Switch Circuit

PNP Collector Relay Switch Circuit

N-channel MOSFET Relay Switch Circuit

N-channel MOSFET Relay Switch Circuit

P-channel MOSFET Relay Switch Circuit

P-channel MOSFET Relay Switch Circuit

 

Logic Controlled Relay Switch Circuit

Logic Controlled Relay Switch Circuit

Micro-controller Relay Switch Circuit

Micro-controller Relay Switch Circuit

 

 

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