The PCF802 is a television valve designed for line frequency generation. The pentode section is the oscillator and the triode is for service as the frequency stabilising reactance valve.

The thin glass tube envelope is 20 mm in diameter and, excluding the B9A base pins, is 46 mm tall.

 
Pin Connections

B9A	1	2	3	4	5	6	7	8	9
	a(t)	g1	g2	h	h	a	kp,s,g3	k(t)	g1(t)

 
Absolute Maximum Operating Conditions

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra
	9.0	0.3	100	100	-1	6.0	1.7	0.4M

Triode	Va	Vg	mAa	ra	gm
	200	-2	3.5	2M	3.5

Thanks to Frank Philipse for supplying the above datasheet

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This exhibit was last updated on 10 June 2007 {find valves by name}