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hspd 12 piv circuit using 2N3439

hspd 12 piv circuit

hspd 12 piv circuit

hspd 12 piv circuit using 2N3439

R1 …………. 33K ohm
R2 …………. 100 ohm
VR …………. 1K ohm
c1 …………. 50uF – 450V
TR1 ………… 2N3439
TR2 ………… 2N3439

T1 Transformer
Pri: 110 – 220V
Sec: 0 – 220V 5mA