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7C6

Sensibly equivalent to:
CV887 DH149
See also:
American Loctal Valves
    
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The 7C6 is a triode double diode, it was used in superhet receivers for signal and AGC detection and post AM detection amplification.
The wide glass tube envelope is 26 mm in diameter and, excluding the B8B base pins, is 55 mm tall.
References: Datasheet, 1040 & 3002. Type 7C6 was first introduced in 1938.

 

Pin Connections
B8B
1
2
3
4
5
6
7
8
h
a
g1
k
a(d2)
a(d1)
k
h

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
6.3
0.15
250
-1
1.3
0.1M
1.0
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated August 24, 2015.
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