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KT35

 
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The KT35 is a kinkless tetrode audio output valve from M-OV designed for series heater chains in universal AC/DC sets. The heater value given is for the two halves in parallel. In series the KT35 has a 300 mA heater.
By 1951 it was regarded as obsolescent.
For the rated output power the valve should be operated with an anode load impedance of 4,000 Ohms.
The L shaped fins are control grid cooling strips and the S shaped strip is a screen connecting the cathode to the beam plates.
A μ-Tracer plot of the characteristic curves for this exhibit. The characteristics test to 101% of the nominal values in the specification.
The classic envelope is 44 mm in diameter and, excluding the IO base pins, is 104 mm tall.
References: 4018, 1040 & 1043. Type KT35 was first introduced in 1940.

 

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

 

Absolute Maximum Operating Conditions
Beam Tetrode
Vh
Ah
Va
Vs
Vg
mAa
mAs
gm
Pout
13
0.6
200
200
-11.5
50
8.5
10.0
4.2
Updated January 09, 2017.
shape:classic construction:pinch type:beam.tetrode age:1930.1940 base:io heater:300ma pins:8 pin:1.hct pin:2.h pin:3.a pin:4.g2 pin:5.g1 pin:6.- pin:7.h pin:8.k
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