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61SPT

Sensibly equivalent to:
CV5081
    
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The 61SPT is a screened pentode, but one with a high current rating. As a screened power RF pentode it may have been designed for use as a driver oscillator.
The classic envelope is 48 mm in diameter, and excluding the IO base pins, is 118 mm tall.
Reference: 4001.

 

Pin Connections
IO
1
2
3
4
5
6
7
8
tc
-
h
g3
g2
g1
-
h
k
a

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
gm
6.3
1.27
250
250
-10.5
64.0
15.0
11.0
Updated January 14, 2013.
shape:classic construction:pinch type:pentode age:1940.1950 base:io heater:6.3v pins:8 pin:1.- pin:2.h pin:3.g3 pin:4.g2 pin:5.g1 pin:6.- pin:7.h pin:8.k pin:tc.a
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