The RK-4D32 is a beam tetrode, for use as an RF power amplifier or oscillator. The anode construction with its auxiliary cooling fins is rated for 47 Watts anode dissipation and 100 Watts output when biased in Class C.

The wide glass tube envelope is 55 mm in diameter and, excluding the B7A base pins, is 115 mm tall.

 
Pin Connections

B7A	1	2	3	4	5	6	7	tc
	h	g2	hct	k,s	k,s	g1	h	a

 
Absolute Maximum Operating Conditions

Beam Tetrode	Vh	Ah	Va	Vs	Vg	mAa	mAs
	12.6	1.6	600	350	-200	200	30

Thanks to Frank Philipse for supplying the above datasheet

This exhibit was last updated on 02 February 2008 {find valves by name}