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EF89

Sensibly equivalent to:
6DA6 CV5156
See also:
EF89 & UF89 Advert.
    
Extras ▼

 

The EF89 is a miniature RF voltage amplifier. Mullard describe the EF89 as a variable μ pentode for use as an RF or IF amplifier in FM/AM receivers and is designed to work with a tuned anode circuit.
The thin glass tube envelope is 19 mm in diameter and, excluding the B9A base pins, is 52 mm tall.
References: Datasheet & 1040. Type EF89 was first introduced in 1955.

 

Pin Connections
B9A
1
2
3
4
5
6
7
8
9
s
g1
k
h
h
s
a
g2
g3

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
6.3
0.2
250
100
-2
9
3
1M
3.6
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated December10, 2015.
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