This exhibit is a Mullard produced 6H6G. It demonstrates the wide acceptance of the 6H6 as a Type designation that no Mullard name is used.

Unlike the metal version with the pressed glass foot and miniature construction, this has the old pinch construction and long connecting leads within the envelope.

Unlike 6H6G this Mullard version has an interelectrode screen that has opposite facing wings for maximum effect.

The classic envelope is 35 mm in diameter and excluding IO base pins the valve is 73 mm long.

References: Datasheet, ³⁰⁰² & ¹⁰⁴⁰. Type 6H6G was first introduced^¶ in 1935.

 
Pin Connections

IO	1	2	3	4	5	6	7	8
	m	h	a(2)	k(2)	a(1)	-	h	k

 
Absolute Maximum Operating Conditions^¶

Diode	Vh	Ah	Va	mAa
	6.3	0.3	150	8

Thanks to Frank Philipse for supplying the above PDF datasheet

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