Designed for service as a power rectifier in AC operated receivers which require high currents. Electrically the same as a 5U4 and may be used for the same applications. New old stock * New In Box * No longer available for export. MFR: GE, RCA SKU: 5DJ4
Designed for use in the output stage of battery operated equipment. New old stock * New In Box * No longer available for export. MFR: Raytheon, GE, Tung Sol, CBS SKU: 3Q4
Designed for use in color television receivers as the high-voltage rectifier to supply power to the anode of the picture tube. MFR: Realistic SKU: 3A3 New old stock * No longer available for export.
Designed to operate as a rectifier with no heater supply voltage. New old stock * No longer available for export. MFR: RCA, GE, Lifetime, Philco, Sylvania SKU: 0Z4
