$2.00
A-13 bare board
serial regulator, output + and – 15V, 1A, with rectifier and filter capacitor board size: L 88mm X W 60mm
TP-3 assembled & tested MOSFET power regulator board, using MOSFETas voltage regulator, tube rectify 6Z4,constant current source using resistor, Voltage adjust from 100V~350V. Heater Voltage regulator (LM317) selectable from 6.3V and 12.6V board size: 220mm X 62mm (tube 6Z4 not included)
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
A-09 assembled & tested Shunt regulator, adjustable from 7V to 70V, current from 138mA to 430mA,double side gold plated PCB board size: L 120mm X W 90mm
A-15D assembled & tested Serial regulator low output impedance and ripple current, adjustable from ±5~±60V. board size: L 120mm X W 75MM
The online payment system is temporarily unavailable. Please contact us at enquiries@diyclub.com.hk for more information! Enjoy shopping!!