Published:2009/7/15 22:58:00 Author:Jessie | From:SeekIC
With 100,000-ohm resistor of silicon controlled switch returned to +24 v, latching circuit for lamp is immune to transient spikes of up to 12 v as well as to rate effect when turned off.-R. A. Stasior, How to Suppress Rate Effect in PNPN Devices, Electronics, 37:2, p 30-33.
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