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Tube Substitutions for:
5Y3GT
Full-Wave Rectifier

Type	Substitutes	Base Diagram
5Y3GT	5Y3GA, 5Y3G, 5Y3GT/G, 5Y3WGT, 5Y3WGTA, 5Y3WGTB, 5AR4, 5AX4GT, 5CG4, 5R4G, 5R4GTY, 5R4GY, 5R4GYA, 5R4GYB, 5T4, 5V4G, 5V4GA, 5V4GY, 5Z4, 5Z4G, 5Z4GT, 5Z4GT/G, 5Z4MG, 6087, 6106, 6853, WTT202
Web References	5Y3GT (General Electric) @ Franks Electron Tubes 5Y3GT (Tung-Sol) @ Franks Electron Tubes 5Y3GT (Brimar) @ Franks Electron Tubes 5Y3GT @ RadioMuseum.org

RCA Type 5Y3GT
FULL-WAVE HIGH-VACUUM RECTIFIER

Bulb	T-9
Base	Small Shell Octal
Basing	5T
Mounting Position	Vertical preferred.

ELECTRICAL DATA

FILAMENT CHARACTERISTICS

Filament Voltage (AC)	5.0	Volts
Filament Current	2.0	Amps

MAXIMUM RATINGS
Full-Wave Rectifier Condenser-Input Filter

Peak Inverse Voltage	1400	Volts
Peak Plate Current Per Plate	375	Ma
A-C Plate Voltage per Plate (RMS)	350	Volts
Total Effective Plate Supply Impedence Per Plate1	10	Ohms
D-C Output Current	125	Ma

Full-Wave Rectifier Choke-Input Filter

Peak Inverse Voltage	1400	Volts
Peak Plate Current Per Plate	375	Ma
A-C Plate Voltage per Plate (RMS)	500	Volts
Input-Choke Inductance	5	Henries (Min)
D-C Output Current	125	Ma

NOTES:

1	When a filter-input condenser larger than 40�f is used, it may be necessary to use more plate-supply impedance than the minimum value shown to limit the peak plate current to the rated value.

APPLICATION
The base of the 5Y3G fits the standard octal socket which should be mounted to hold the tube preferably in a vertical position. Horizontal operation is permissible if pins 2 and 7 are in a horizontal plane. Provision should be made for adequate ventilation to prevent overheating. The coated filament of the 5Y3G is designed to operate from the a-c line through a step-down transformer. The voltage at the filament terminals should be 5.0 volts under operating conditions at an average line voltage of 117 volts.


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