AC electronic relay circuit

Published:2011/8/29 2:21:00 Author:Jessie | Keyword: AC, electronic relay | From:SeekIC

As shown in Figure a , the collector is negative, the emitter is positive, and for the PNP tube, the powerwith this polarity is normal operating voltage. As shown in Figure b, the collector is positive, the emitter is negative, andfor NPN Tube, the powerwith this polarityis normal operating voltage.



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