NJ7P SQL Tube Database Query

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1635
High-Mu Twin Triode

EIA Base & Outline

EIA Base: 8B
Source ........................................ ARRL HB - 1964

Mechanical Data

EIA Base ...................................... 8B

Electrical Data

Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.6 A

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 300 V
Grid No. 1 Voltage ............................ 0 V
Plate Current (Zero Signal) ................... 6.6 mA
Plate Current (Maximum Signal) ................ 54 mA
Load Resistance ............................... 12K Ω
Power Output (approx) ......................... 10.4 W

Class B Amplifier
Plate Voltage ................................. 400 V
Grid No. 1 Voltage ............................ 0 V
Plate Current (Zero Signal) ................... 10 mA
Plate Current (Maximum Signal) ................ 63 mA
Load Resistance ............................... 14K Ω
Power Output (approx) ......................... 17 W

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Tue, 21 Mar 2023 05:00:26 -0700