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S11E12

Sensibly equivalent to:
7971 CV4060 CV8077 L.5B/280K
See also:
Series Pass Valves - Ediswan S11E12 Advert - Ediswan S11E12 Advert
    
Extras ▼

 

The S11E12 is a special quality version of the 12E1. It is rated as an output valve but it was designed for use as a series or shunt pass device in voltage regulators for instrumentation such as oscilloscopes and radar displays.
The wide glass tube envelope is 38 mm in diameter and, excluding the base pins, is 80 mm tall.
References: Datasheet & 1040. Type S11E12 was first introduced in 1959.

 

Pin Connections
IO
1
2
3
4
5
6
7
8
ic
h
a
g2
g1
bp
h
k

 

Absolute Maximum Operating Conditions
Beam Tetrode
Vh
Ah
Va
Vs
6.3
1.6
800
300
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated March 22, 2016.
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