KT33

KT33C

Osram KT33C

Tetrode / Output beam tetrode

Introduced in 1939

KT33C introduced in 1955

Heater tap for 13 V, 0.6 A operation

1	2	3	4	5	6	7	8	base
fct	f	a	g2	g1	-	f	k	Octal

Vf Af Va Vs Vg mAa mAs gm Pout Pdiss

26 0.3 200 200 -13.2 60 10 10 5 12.25

Equivalent

CV1503, VR503