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VP13B

 
    
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The VP13B from Tungsram is a vari-μ RF Pentode designed for series heater chains as would be found in sets made for use on DC as well as AC mains.
The reverse is plain zinc paint.
Little detail is visible apart from the top mica.
The classic envelope is 42 mm in diameter and, excluding the B7 base pins, is 100 mm tall.
Reference: 1043. Type VP13B was first introduced in 1936.

 

Pin Connections
B7
1
2
3
4
5
6
7
tc
m
a
g3
h
h
k
g2
g1

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
rk;
13.0
0.2
200
200
-1.5
6.0
2.0
0.8M
3.5
200Ω
Updated August 23, 2020.
shape:classic construction:pinch type:pentode age:1930.1940 base:b7 heater:200ma pins:7 pin:1.m pin:2.a pin:3.g3 pin:4.h pin:5.h pin:6.k pin:7.g2 pin:tc.g1
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