TP-3 bare board
$3.00
Tp-3 Bare board
MOSFET power regulator board, using MOSFETas voltage regulator, tube rectify 6Z4,constant current source using resistor, Voltage adjust from 100V~350V. Heater Voltage regaltor ( LM317), voltage selectable from 6.3V to 12.6V
board size: 220mm X 62mm
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