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D210SW

 
See also:
Hivac SW Advert, May 1937
    
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The Hivac D210SW is a battery triode with a ceramic base and a rich Gold metalisation. It dates from 1936 when Hivac introduced their SW or Short Wave versions of earlier valves. The ceramic base was made from 'Frequentite'.
With a 2 Volt filament was designed to be heated from an accumulator supply.
The classic envelope is 37 mm in diameter, and excluding the B4 base pins, is 110 mm tall.
Reference: 1043. Type D210SW was first introduced in 1936.

 

Pin Connections
B4
1
2
3
4
tc
a
-
f
f
g1

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
2.0
0.1
150
-4.5
2.4
12,000
1.35
Updated April 30, 2013.
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