▼ Menu

502A

Sensibly equivalent to:
GL502A
    
Extras ▼

 

The Type 502A is a gas filled tetrode thyratron. It is designated for service as a relay or as a a grid controlled rectifier. The peak current at one Amp is ten times the average current rating, as much as for a normal rectifier.
The GE logo and the fact that it was made in the USA.
The thin metal tube envelope is 25 mm in diameter, and excluding the IO base pins is 51 mm tall.
Reference: Datasheet. Type 502A was first introduced in 1948.

 

Pin Connections
IO
1
2
3
4
5
6
7
8
-
h
a
-
g1
g2
h
k,m

 

Absolute Maximum Operating Conditions
Thyratron
Vh
Ah
6.3
0.6
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated January 15, 2018.
shape:thin.metal.tube construction:glass.disc type:thyratron age:1940.1950 base:io heater:6.3v pins:8 pin:1.- pin:2.h pin:3.a pin:4.- pin:5.g1 pin:6.g2 pin:7.h pin:8.k.m
Return to Main Index