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LM723 + pass transistor and SCR crowbar ?


Very nice. Looks like a standard commercial open frame linear power supply, the design of which has been around for decades.

Does it use a LM723 regulator with a TO-3 pass transistor? The crowbar circuit is probably a Zener diode and SCR which triggers and shorts a fuse.

14-Gauge wire is great but way overkill IMHO since you're drawing such little current over a short distance.

Enjoy!


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