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QA2403

Sensibly equivalent to:
CV4014 M8083
See also:
Osram Q Series Valves Advert
    
Extras ▼

 

The QA2403 is a special quality industrial version of the Z77 or EF91 RF pentode. The build is such that the valve is resistant to shock and vibration.
The GEC logo. M-OV used the GEC brand for professional sales.
The thin glass tube envelope is 17 mm in diameter, and excluding the B7G base pins is 47 mm tall.
References: Advert. Type QA2403 was first introduced in 1953.

 

Pin Connections
B7G
1
2
3
4
5
6
7
g1
k
h
h
a
g3
g2

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
6.3
0.3
250
250
-2
10
2.5
1M
7.6
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated April 12, 2015.
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