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E1707 diode

Size
This valve measures 50x17mm overall and has a B7G base

This valve is marked developmental valve, 6.3v. It has the serial number 23.

PinFunction
1n/c
2Cathode
3Heater
4Heater
5n/c
6Anode
7n/c

E1707

This file was last modified16:40:29, Thursday August 28, 2014