Designed to operate as either a full wave, voltage doubler, or half wave rectifier as it has two separate sections. New old stock * No longer available for export. MFR: RCA, Sylvania SKU: 117Z6
Designed to function as a rectifier operating with a peak of 20Kv and 300mA on the anode. Used in aircraft due to its rugged design. New old stock * New In Box * No longer available for export. MFR: Raytheon SKU: 3B22
Designed to function as a half wave rectifier in photoflash circuits as it has a low filament voltage. New old stock * No longer available for export. MFR: Tung Sol SKU: 5517
Designed to function in harsh shock, vibration, and high temperature conditions. New old stock * No longer available for export. MFR: Sylvania SKU: 5641
Full Wave High-Vacuum Rectifier New old stock * No longer available for export MFR: Mullard for RCA Made in Great Britain Blackburn, England Date Code SKU: 5AR4-RCA-GB
Full Wave High-Vacuum Rectifier New old stock * No longer available for export MFR: Bendix - Marketed as a National Electronics tube - Made in USA SKU: 5AR4-NB
