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H210

Sensibly equivalent to:
B228
    
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The H210 from Osram is a battery triode. The design use was as a detector or for use in resistance/capacitor coupled (RCC) circuits.
The silvered dome carries the etched lettering..
The balloon envelope is 41 mm in diameter, and excluding the B4 base pins is 78 mm tall.
Reference: 1043. Type H210 was first introduced in 1929.

 

Pin Connections
B4
1
2
3
4
a
g1
f
f

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
μ
2.0
0.1
150
-1.5
1.0
50,000
0.7
35
Updated November 10, 2013.
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