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30C15

Sensibly equivalent to:
9EN7 LZ339 PCF800
See also:
Valves and their Habits - Mazda 30C15 Advert & Application Note - Mazda Aspects of Design 13: TV Tuner Mixer Stage
    
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The 30C15 is a triode pentode designed for frequency changer use in VHF television receivers and is the high gain version of the 30C1.
The triode is the oscillator stage and its output together with the incoming signal would be mixed in the non-linear characteristics of the pentode mixer to produce a much lower IF frequency that was easier to amplify.
The thin glass tube envelope is 20 mm in diameter and, excluding the B9A base pins, is 47 mm tall.
Reference: Datasheet. Type 30C15 was first introduced in 1959.

 

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

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
mAa
mAs
ra
gm
9.0
0.3
164
138
7.6
2.3
0.6M
3.3

 

Absolute Maximum Operating Conditions
Triode
Va
mAa
120
6.0
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated November 07, 2016.
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