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ML6

Sensibly equivalent to:
CV1105 VT105
See also:
Ceramic or Moulded Base Caps? - A Magnetic Digital Storage System - CV1105 short entry
    
Extras ▼

 

This exhibit is an ML6C (with ceramic base) of WWII vintage. The ML6 was simply a version of the ML4 adapted for operation in sets powered by vehicle batteries.
ML6s were widely used as RF oscillators in medium-sizes military transmitters.
The wires attached to the top mica are a push fit into the shoulder of the envelope.
The carbonised anode, control grid and flat cathode.
The classic envelope is 44 mm in diameter and, excluding the B5 base pins, is 100 mm tall.
References: Datasheet & private communication.

 

Pin Connections
B5
1
2
3
4
5
a
g1
h
h
k

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
Pout
6.3
0.7
250
-13.5
25
3,700
3.8
0.65W
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated February 23, 2019.
shape:classic construction:pinch type:triode age:1940.1950 base:b5 heater:6.3v pins:5 pin:1.a pin:2.g1 pin:3.h pin:4.h pin:5.k
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