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G55/1K

Sensibly equivalent to:
CV5298 CV5880
See also:
G55/1K Advert - G55/1K Advert
    
Extras ▼

 

The STC G55/1K is a gas filled voltage stabiliser designed to work at the low voltage of 55 Volts over a current range of 2 - 30 mA. The regulation is to within three Volts for this range of current. For a fixed current drain the voltage stability will be very good. The maximum striking voltage is 90.0 Volts.
The G120/1B has a similar performance but is an older design with a B4 base.
Thanks to Mark Mallison for sending the image.
The thin glass tube envelope is 19 mm in diameter, and excluding the B7G base pins is 60 mm tall.
Reference: Datasheet. Type G55/1K was first introduced in 1956.

 

Pin Connections
B7G
1
2
3
4
5
6
7
a
k
-
k
a
-
k

 

Absolute Maximum Operating Conditions
Stabiliser
Va
mAa
55
2-30
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated December11, 2018.
shape:thin.glass.tube construction:all.glass type:voltage.stabiliser age:1950.1960 base:b7g pins:7 pin:1.a pin:2.k pin:3.- pin:4.k pin:5.a pin:6.- pin:7.k
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