[Milsurplus] G11 Dioede

Ray Fantini RAFANTINI at salisbury.edu
Sat Dec 2 12:24:44 EST 2017


Ok so working on this FR38B/U frequency counter and running into an issue. They use lots of early Germanium diodes to trigger and provide faster switching times in most of the vacuum tube stages.  They have a part number of 212-G11A but I have not been able to find any information on them. Was thinking of replacing a lot of the week performing ones with 1N914 switching diodes but am a little concerned about voltage rating  but have to assume that the late fifties first generation G11 has to be a lower voltage ratting then a modern silicone diode?
There is a panel that originally had a dozen diodes as spares in the unit but someone stole or used those years ago. They must have been a high failure rate device.

Ray F/KA3EKH



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