The H210 from Osram is a battery triode and was introduced in 1929.

The anode lies horizontally across the top of the envelope. The supports reach to either side for rigidity.

The balloon envelope is 41 mm in diameter, and excluding the B4 base pins is 74 mm tall.

 
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

More

This exhibit was last updated on 19 April 2008