The 10C2 is a triode pentode frequency changer, probably a VHF design.

The required oscillator injection is 3.25 volts peak to peak.

The thin glass tube envelope is 20 mm in diameter and, excluding the B8A base pins, is 52 mm tall.

 
Pin Connections

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

 
Absolute Maximum Operating Conditions

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	28	0.1	150	150	0	4.7	1.3	-	2.1

Triode	Va	mAa
	80	5.0

Thanks to Frank Philipse for supplying the above datasheet

This exhibit was last updated on 12 June 2007 {find valves by name}