NJ7P SQL Tube Database Query

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A horizontal ribbon.

6N7
Medium-Mu Twin Power Triode

EIA Base & Outline

EIA Base: 8BEIA Bulb: 8-6

Substitute Data

Substitutes ................................... 6Y7
Source ........................................ RCA RC-15 - 1947

Application

Source ........................................ RCA RC-15 - 1947
Metal type used in output stage of radio receivers as class B power amplifieror with units in parallel as class A1 amplifier to drive a 6N7 or 6N7GT as a class B amplifier. Requires octal socket and may be mounted in any position.

Mechanical Data

Source ........................................ RCA RC-15 - 1947
Bulb .......................................... MT-8
Base Type ..................................... Small Wafer Octal 8-Pin
EIA Outline ................................... 8-6
EIA Base ...................................... 8B
Mounting Position ............................. Any

Electrical Data

Source ........................................ RCA RC-15 - 1947
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.8 A
Maximum Heater-Cathode Voltage
Heater Positive with Respect to Cathode
DC Component ............................ 90 V
Heater Negative with Respect to Cathode
DC Component ............................ 90 V

Maximum Ratings (Design Center Values)

Each Triode
Source ........................................ RCA RC-15 - 1947
Plate Voltage ................................. 300 V
Plate Dissipation ............................. 5.5 W
Cathode Current ............................... 125 mA

Characteristics and Typical Operation

Class B Amplifier
Source ........................................ RCA RC-15 - 1947
Plate Voltage ................................. 250 V
Grid No. 1 Voltage ............................ 0 V
Plate Current ................................. 14 mA
Load Resistance ............................... 8K Ω
Power Output (approx) ......................... 8 W
Total Harmonic Distortion ..................... 4 %

Class B Amplifier
Source ........................................ RCA RC-15 - 1947
Plate Voltage ................................. 300 V
Grid No. 1 Voltage ............................ 0 V
Peak Grid No. 1 Voltage........................ 58 V
Grid No. 1 Current ............................ 20 mA
Plate Current (Zero Signal) ................... 35 mA
Plate Current (Maximum Signal) ................ 70 mA
Load Resistance ............................... 10K Ω
Power Output (approx) ......................... 10 W
Total Harmonic Distortion ..................... 4 %

Class A Amplifier
Source ........................................ RCA RC-15 - 1947
Plate Voltage ................................. 250 V
Grid No. 1 Voltage ............................ -5 V
Amplification Factor .......................... 35
Plate Resistance (approx) ..................... 11.3K Ω
Transconductance .............................. 3100 µMho
Plate Current ................................. 6 mA
Load Resistance ............................... 20K+ Ω
Power Output (approx) ......................... 0.4 W

Class A Amplifier
Source ........................................ RCA RC-15 - 1947
Plate Voltage ................................. 300 V
Grid No. 1 Voltage ............................ -6 V
Amplification Factor .......................... 35
Plate Resistance (approx) ..................... 11000 Ω
Transconductance .............................. 3200 µMho
Plate Current ................................. 7.0 mA
Load Resistance ............................... 20K+ Ω
Power Output (approx) ......................... 0.4 W

Class C Amplifier & Oscillator
Source ........................................ RCA RC-15 - 1947
Plate Voltage ................................. 350 V
Grid No. 1 Voltage ............................ -100 V
Grid No. 1 Current ............................ 10 mA
Plate Current ................................. 60 mA
Power Output (approx) ......................... 14.5 W

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Thu, 29 Sep 2022 23:23:44 -0700