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DL68

Sensibly equivalent to:
CV2259
    
Extras ▼
The DL68 is a sub-miniature output pentode designed for hearing aid use with 22.5 Volt HT. A supplement to the data-sheet gives the basic operating conditions for a 45 Volt HT battery.
Reference: Data-sheet. Type DL68 was first introduced in 1952. See also 1952 adverts.

 

Pin Connections
Base B5A & B5B
1
2
3
4
5
a
g2
f+
g1
f-,g3

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
rk
rl
Pout
D
1.25
0.025
22.5
22.5
-2.2
0.6
0.5
0.1M
0.43
-
37,000
5.0mW
10%

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
Pout
D
1.25
0.025
41
41
-4.0
1.8
0.32
20k
25.mW
10%
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated August 01, 2019.
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