$92.00
GA-31B assembled & tested
Output DC voltage: High 200V × 2 Filament 6.3V × 2 -15V × 1 -24V × 1 board size : 125mm×230mm
A-19 assembled and tested board output voltage adjust from 5V to 20V Max output curennt 5A (use a larger size heatsink) use LT1083 as volatge regulator board size:L110mm W60mm thickness 2.5mm
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
A-19 bare board output voltage adjust from 5V to 20V Max output curennt 5A (use a larger size heatsink) use LT1083 as volatge regulator board size:L110mm W60mm thickness 2.5mm
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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