The 62-TH is a triode hexode mixer in an all glass envelope fitted with a B8A base.

The screen obscures the electrodes. The glass moulded location pip is on the right.

The thin glass tube envelope is 20 mm in diameter, and excluding the B8A base pins is 53 mm tall.

References: Datasheet & ³⁰⁰². Type 62-TH was first introduced^¶ in 1950.

 
Pin Connections

B8A	1	2	3	4	5	6	7	8
	h	a	a(t)	g1(t),g3	g2,g4	g1	k	h

 
Absolute Maximum Operating Conditions^¶

Hexode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.23	250	85	-2.0	3.2	3.75	1.0M	0.71

Thanks to Frank Philipse for supplying the above PDF datasheet