The PCF808 triode pentode offers high voltage gain in a screened design. It was probably designed for VHF television use.

The thin glass tube envelope is 20 mm in diameter and, excluding the B9A base pins, is 45 mm tall.

 
Pin Connections

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

 
Absolute Maximum Operating Conditions

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	7.4	0.3	160	160	-1.7	12	4	0.4M	14.5

This exhibit was last updated on 25 December 2006