LM317/337 dual rail regulator PCB for preamplifier/headphone amp(green) !

LM317/337 dual rail regulator PCB for preamplifier/headphone amp(green) !

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Brand:
Unbranded/Generic
MPN:
Does Not Apply
Country/Region of Manufacture:
China
£5.56

On list is a dual rail regulator PCB to be used with low current application ( below 300mA). using LM317, LM337. This board is particular useful for preamplifier or headphone amplifier.


The broad includes protection circuit to protect the regulator chips from high output voltage reversal.

The board is the same as the assembled version , item 221643395126 except this board is green in color while the assembled one is blue in color.

This board need an AC voltage 12Vx2 to 15Vx2 ( for +/-12V DC application).

PCB Dimension : 60mm x 96mm

PCB copper thickness : 75um ( 4 times standard thickness !)

We provide schematic and part list to buyers by EMAIL.

Air shipping cost worldwide by registered airmail is US$5.00. We welcome combined shipping.