▼ Menu


Extras ▼


The 0W4/350 is a full wave rectifier. The filament is an inverted V. The spots on the envelope suggest a mercury vapour device.
Thanks to Bob Hopkins for sending the image.
The classic envelope is  mm in diameter, and excluding the B4 base pins is  mm tall.
Reference: Observation.


Updated April 27, 2013.
Return to Main Index