The 6v,2W alarming flash lamp circuit

Published:2011/7/6 4:52:00 Author:qqtang | Keyword: alarming flash lamp | From:SeekIC

In the circuit, the trigger pulses on the transformer Tr2 are integrated by the capacitor C, so the flash frequency is in proportion to the DC voltage. The DC voltage is imported by the regulators of T2, T3 and T4, so the flash frequency is sure to be constant.Main technology data:Working voltage Us, V: 6 5 4 3.5 3Working current Is, A: 0.34 0.3 0.255 0.23 0.2 Flashing time t, s: 0.39 0.53 0.81 1.08 1.55The converter frequency f, KHz: 8The collecting electrode peak current Ic, A: 1 (regulated by R3) Main element parameters:R1: 560Ω, R2:100Ω R3: 1KΩ C1:470μF, C2: 10μF, C3:0.1μF/400V, T1: BD433.



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