The 6F17 is a pentode. The design is for voltage amplification and was used at AF in television receivers.

The S6F17 is a special quality version of this design.

The thin glass tube envelope is 18 mm in diameter, and excluding the B7G base pins, is 46 mm tall.

 
Pin Connections

B7G	1	2	3	4	5	6	7
	g1	k	h	h	a	bp	g2

 
Absolute Maximum Operating Conditions

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	gm
	6.3	0.3	200	200	-11	17	3	4

Thanks to Frank Philipse for supplying the above datasheet

This exhibit was last updated on 04 July 2007 {find valves by name}