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30L15

Sensibly equivalent to:
7EK7 B349 PCC805
See also:
Valves and their Habits - Ediswan 30L15 Advert - TV RF stage design - TV Mixer Stage Design
    
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The 30L15 is a low impedance high gain double triode. The low voltage high current suggests a low noise design. The 30L15 was designed for cascode RF amplifier use in the front end stage of VHF television tuners.
The two sections with the screen between them.
A UK product. Note the holes in the end walls of the anode.
The thin glass tube envelope is 21 mm in diameter and, excluding the B9A base pins, is 47 mm tall.
References: Datasheet & 1040. Type 30L15 was first introduced in 1960.

 

Pin Connections
B9A
1
2
3
4
5
6
7
8
9
k(2)
g1(2)s
a(2)
h
h
g1(1)
k(1)in
k(1)out
a(1)

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
7
0.3
90
-1.2
15
3100
9
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated November 06, 2016.
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