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E180CC

Sensibly equivalent to:
5965 CV8431
    
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This Mullard E180CC was made in Holland at a Philips factory.
The E180CC is a special quality double triode designed for use in computer circuits. The E180CC will maintain its emission characteristics after long periods where the valve is biased to cut-off. This characteristic equates to use in a bi-stable or flip-flop circuit. The E180CC is not designed for audio use.
The heater is centre tapped for use at 6.3 or 12.6 Volts but in a parallel connection.
The twin triode sections are 18 mm long and 2.5 mm front to back.
The anode face view. The control grid is wound on copper supports.
The thin glass tube envelope is 20 mm in diameter, and excluding the B9A base pins is 59 mm tall.
References: Datasheet. Type E180CC was first introduced in 1954.

 

Pin Connections
B9A
1
2
3
4
5
6
7
8
9
a(1)
g1(1)
k(1)
h
h
a(2)
g1(2)
k(2)
hct

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
μ
6.3
0.4
150
-1.85
8.5
7,200
6.4
46
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated January 28, 2018.
shape:thin.glass.tube construction:all.glass type:double.triode age:1950.1960 base:b9a heater:6.3v pins:9 pin:1.a(1) pin:2.g1(1) pin:3.k(1) pin:4.h pin:5.h pin:6.a(2) pin:7.g1(2) pin:8.k(2) pin:9.hct
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