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Lighting delay-off circuit using thyristors Part 2

Source: InternetPublisher:狂妄火龙果 Keywords: Thyristor delayed lights off Updated: 2020/05/14

44.<strong>Lighting</strong><strong>Delayed Light Off</strong><strong>Circuit</strong> Using<strong>Thyristor</strong>Part 2.gif

(2) The second circuit of the lighting delay-off circuit using thyristors is shown in Figure 2-44. The additional switch circuit does not need to change the original light switch wiring, but only needs to be connected in parallel with the original power switch SA. The delay time is determined by Ri and C.
   





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