U12

Directly heated full wave rectifier

Oxide coated directly heated cathode.

Characteristics

Vf	If	Va(max)	Iout(max)	Vout(max)	C§	L
/ V	/ A	/ V	/ mA	/ V	/ μF	/ H
4	2.5	350 rms	120	425	32	8

§ max capacitor input

_{Base: British 4 pin}