▼ Menu

C1C

Sensibly equivalent to:
CV1400
    
Extras ▼

 

The C1C was the Philips C1 fitted with a B4 base. It is a barretter current stabiliser where the active component is an iron wire in a hydrogen atmosphere. The glass clearly says Made in Holland.
Barretters were a continental invention, being used by the Germans to control valve filament currents during WWI.
A close-up of the coiled wire element.
The wide glass tube envelope is 37 mm in diameter and, excluding the B4 base pins, is 119 mm tall.
References: Datasheet

 

Pin Connections
B4
1
2
3
4
-
-
f
f

 

Absolute Maximum Operating Conditions
Stabiliser
Vh
Ah
120
0.2
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated July 12, 2014.
Return to Main Index