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SG-3P / SG3P 145V 5-20mA voltage regulator tube
SG-3P / SG3P 145V 5-20mA voltage regulator tube
Manufacturer
SG-3P / SG3P 145V 5-20mA voltage regulator tube
$
2.00
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25
pcs
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Russian SG-3P tube designed to operate as a voltage regulator. Specs say it needs 170V to fire it up, then the output voltage is 145V at 5 to 20 mA. Good and reliable old tube. Utilizes a small 7-pin socket.

Pinout: Anode: 5, 1; Cathode: 2, 4, 7.

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