A-13 bare board

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  A-15D bare board

  $3.00

  A-15D bare board Serial regulator low output impedance and ripple current, adjustable from ±5~±60V. board size: L 120mm X W 75MM

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  A-09 bare board

  $4.00

  A-09 bare board Shunt regulator, adjustable from 7V to 70V, current from 138mA to 430mA,double side gold plated PCB board size: L 120mm X W 90mm

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  LS-56 bare board

  $14.00

  LS-56 bare board Transistor regular power supply.each channel using two TIP50 one LM317, two channel seperate B+ voltage adjustable from 210V-400V, two heater output using metal two LM317K,heater voltage from 6.3V to 12.6V board size: L 230mm X W 155mm. 2.4mm fibre glass board with thicker copper trace

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  A-08 assembled & tested

  $16.00

  A-08 assembled & tested 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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