Summary

Detector diode designed for use at high frequencies. Equivalent to EA50.
The EA50 was originally designed for use as a detector in television receivers but widely used in other applications such as radar.
The 'DA' code indicates the factory (Mullard, Blackburn) and the 'HC' is a date code indicating a manufacturing date of March 1952.
6.3 volt indirectly heated cathode.
Manufactured for: British Services.
Manufacturer: Mullard Radio Valve Co., Blackburn works (England).

Physical Description

Small tubular glass bulb with 3 pins in line at one end and a single pin at the other.

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