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DK96

Sensibly equivalent to:
1AB6 1C3 X25
See also:
Pentagrid Converters
    
Extras ▼

 

This Brimar DK96 is labelled as of Foreign origin.
From the early 1960s battery valve radios lost out to the imported transistor radio. In 1964 a six transistor miniature radio operating on a PP3 battery could be purchased for little more than a 90 Volt HT battery.
The DK96 dry battery frequency changer is from the later range of very low filament consumption valves.
The filament tension spring at the top and the single strand oxide coated filament.
The thin glass tube envelope is 18 mm in diameter and, excluding the B7G base pins, is 46 mm tall.
References: Data-sheet & 1040. Type DK96 was first introduced in 1953.

 

Pin Connections
B7G
1
2
3
4
5
6
7
f-
a
g2
g1
g4
g3
f+,g5

 

Absolute Maximum Operating Conditions
Heptode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
1.4
0.025
85
68
0
0.6
0.14
0.8M
0.3
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated October 26, 2020.
shape:thin.glass.tube construction:all.glass type:heptode age:1950.1960 base:b7g heater:1.4v pins:7 pin:1.f- pin:2.a pin:3.g2 pin:4.g1 pin:5.g4 pin:6.g3 pin:7.f+.g5
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