Sylvania BW382 TR Cell Tube  
Written by AnubisTTP on 2008-10-04  


We don't know much about this TR cell, but it is almost surely one of the smallest of such devices ever put into production. Little more than a glass window, the BW382 is quite small; dimensions are 24mm by 12mm and the device is a mere 1mm thick. The BW382 does not have any mounting holes, and is likely designed to be held in place by friction.


Sylvania BW382 TR Switch Tube
The Sylvania BW382 is possibly the smallest TR switch ever produced.

Sylvania BW382 Vacuum Tube
The tiny device is protected by a huge compressed cube of fibrous batting.

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