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Tube Substitutions for:
6SN7
Medium Mu Duo Triode

Type	Substitutes	Base Diagram
6SN7	6SN7W, 6SN7WGT, 6SN7WGTA, 5692
Web References	6SN7 (RFT) @ Franks Electron Tubes 6SN7 @ RadioMuseum.org

Sylvania Type 6SN7
DUO TRIODE


MECHANICAL DATA

Bulb	MT-8
Base	Intermediate Shell Octal 8-Pin
Basing	8BD
Mounting Position	Any

ELECTRICAL DATA

HEATER CHARACTERISTICS

Heater Voltage	6.3	Volts
Heater Current	600	Ma

DIRECT INTERELECTRODE CAPACITANCES

	Section 12	Section 2
Grid to Plate	240	3.8	��f
Input	2.2	2.6	��f
Output	0.7	0.7	��f

MAXIMUM RATINGS (Design Center Values-Each Section)

Plate Voltage, C D	300	Volts
Vertical Amp Peak Postive Voltage	1200	Volts
Plate Dissipation (each plate)	3.5	Watts
Plate Dissipation (both Plates)	5.0	Watts

CHARACTERISTIC AND TYPICAL OPERATION
Class A₁

Plate Voltage	90	250	Volts
Grid Voltage	0	-8.0	Volts
Plate Current	10	9.0	Ma
Plate Resistance	6700	7700	Ohms
Transconductance	3000	2600	�mhos
Amplification Factor	20	20	X
Grid Voltage for Ib=1.3Ma		-12.5	Volts
Grid Voltage for Ib=10�a	-7.0	-18	Volts

NOTES:

1	All ratings, operating conditions and characteristics are for each section except where otherwise noted.
2	Section No. 1 connects to pins 4, 5 and 6, Section No. 2 connects to pins 1, 2 and 3.
3	For operation in a 525-line, 30 frame system, the duty cycle of the voltage pulse must not exceed 15% of one scanning cycle.

APPLICATION
The Sylvania Type 6SN7 is a duo-triode. It may be uses as combined vertical oscillator and vertical deflection amplifier in television receivers or in audio amplifier service.


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