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12X4

 
See also:
Silvertone 12X4 Box
    
Extras ▼

 

The 12X4 was designed as a low voltage drop full wave rectifier ideally suited to vibrator power supplies for car radios. Type 6X4 is identical except for the heater rating.
The Silvertone made equipment and we can find no details of valve manufacture. The box around the Type identification is similar to RCA types.
The thin glass tube envelope is 18 mm in diameter, and excluding the B7G base pins is 58 mm tall.
References: Datasheet.

 

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

 

Absolute Maximum Operating Conditions
Rectifier
Vh
Ah
Va
mAa
12.6
0.15
325
70
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated December19, 2012.
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