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DK96

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

 

This Zaerix branded DK96 was made in the GDR (East Germany as was after WWII).
From the early 1960s battery valve radios lost out to the imported transistor radio. In 1964 a Japanese six transistor miniature superhet radio operating on a PP3 battery could be purchased for little more than a 90 Volt HT battery.
The bright anode with wire grids within. The diagonal rod at top right is the filament tension spring. The filament is a single wire with an oxide coating and consumes only 25 mA from a single LT battery.
The thin glass tube envelope is 17 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 July 25, 2021.
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