A Zero Current Switch for Inductive Loads
Materials
Gerber file
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Bill of Materials
R1 = 100 Ohm
R2 = 2.2kOhm
R3,R4 = 47kOhm
R5 = 82kOhm 1%, 0.6W 350V (Vishay MRS25000C8202FCTOO)
R6 = 220Ohm
R7 = 180Ohm
R8 = 68Ohm
R9 = 22kOhm
Capacitors
C1,C3 = 10µF 100V 20%, pitch 2.5mm, diam. 6.3mm
C2 = 10µF 63V, axial, 10 x 4.5mm
Semiconductors
D1,D2 = 1N4004
D3 = 1N4007
D4 = BZX79-C13 (13V 05W)
B1 = WO6M, 600V 1.5A
T1 = IRG4BC3OKDPbF
T2..T5 = BC546A
IC1 = PC817 (see text)
Miscellaneous
PCB # 100270

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