A-11P bare board

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  A-08 bare board

  $3.00

  A-08 bare board Shunt regulator, adjustable from 4V to 40V ,current from 125~250mA, specially for replace the orignal power supply of CD player, pre-amp, DAC LM317 as current limit. Using K703 as the loading device to reduce the output impedance, have short circuit protection board size: L 80mm X W 72mm

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  GA-19 bare board

  $7.00

  GA-19 bare board two channel voltage regulator on board max input voltage not greater than 75V AC each channel output voltage adjust from 5V to 90V each channel max output current 80mA with current limit protection board size: L120mm W90mm thickness 2.5mm

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  TP-1 bare board

  $3.00

  TP-1 bare board MOSfet High Voltage Regulator, using MOSfet as regulator, using constant current source, B+ can adjust from 100 to 350V 200mA by change the two zener diode. Heater voltage reglator (LM317) selectable from 6.3V and 12.6V board size: L220mm X W62mm

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  TP-1 assembled & tested

  $42.00

  TP-1 assembled & tested MOSfet High Voltage Regulator, using MOSfet as regulator, using constant current source, B+ can adjust from 100 to 350V 200mA by change the two zener diode. Heater voltage reglator (LM317) selectable from 6.3V and 12.6V board size: 220mm X 62mm

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