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C10

 
See also:
Philips C10 Box - 1934 - Mullard Universal Valves (AC/DC)
    
Extras ▼

 

The C10 is a barretter, that is a series resistance to stabilise current flow. The barretter characteristic comes from the use of iron wire. The attached data sheet has a good explanation of the barretter and its function.
The C9 and C10 are quite similar with the main difference being the base connections. However, the filament connections are the same.
The coiled wire and the central glass support.
The wide glass tube envelope is 38 mm in diameter, and excluding the Ct8 base pins is 110 mm tall.
Reference: Datasheet Type C10 was first introduced in 1939.

 

Pin Connections
Ct8
1
2
3
4
5
6
7
8
-
-
-
-
f
-
-
f

 

Absolute Maximum Operating Conditions
Stabiliser
Vh
Ah
120
0.2
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated July 31, 2017.
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