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|Heading:||FS: Collins 30L-1 PS and relay board|
|Ad Message:|| Be ware of cheap chinese copy version at some auction sites. The made in China copy version selling higher than my price. Buy the original since 2007. The most popular 30L-1 power supply board for $69.Plus $10 for USPS priority mail.Board uses 1000V 3A diodes in series, and 105 deg C caps, 4 times of life compared to 85deg C caps, 220 uF 6 of them. The Heat sensitive caps are under the board while the Heat generating bleeder resistors are above the PCB , no chance that Heat damage the capacitors.The R multiplier 4M ohm on the board as well as I shunt on the board. assembled and tested. Relay board changes original -170V, 70mA to -12V 1mA. If you use relay controlled transceiver to drive the 30L-1, this relay board is a must.Price $27 plus $3 for shipping,Iclude free 10 uf/250V Bias capacitor and MOV for protection of bias parts. NEW item 516-F2 LV regulator board got user's good responses. e-mail me for a detailed info.
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