NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

15E
Power Triode

EIA Base & Outline

EIA Base: F51

Mechanical Data

EIA Base ...................................... F51

Electrical Data

Heater Voltage ................................ 5.5 V
Heater Current ................................ 4.2 A

Direct Interelectrode Capacitances (approx)

Triode
Input ......................................... 1.4 pf
Output ........................................ 0.3 pf
Grid to Plate ................................. 1.15 pf

Maximum Ratings (Design Center Values)

Triode
Plate Dissipation ............................. 20 W

Characteristics and Typical Operation

Class C Oscillator/Amplifier
Plate Voltage ................................. 2000 V
Grid No. 1 Voltage ............................ -130 V
Grid No. 1 Current ............................ 18 mA
Plate Current ................................. 63 mA
Driving Power ................................. 4.0 W
Power Output (approx) ......................... 100 W

Class C Oscillator/Amplifier
Plate Voltage ................................. 1500 V
Grid No. 1 Voltage ............................ -95 V
Grid No. 1 Current ............................ 13 mA
Plate Current ................................. 67 mA
Driving Power ................................. 2.2 W
Power Output (approx) ......................... 75 W

Class C Oscillator/Amplifier
Plate Voltage ................................. 1000 V
Grid No. 1 Voltage ............................ -70 V
Grid No. 1 Current ............................ 9 mA
Plate Current ................................. 72 mA
Driving Power ................................. 1.3 W
Power Output (approx) ......................... 47 W

Push Pull Class B Amplifier
Plate Voltage ................................. 2000 V
Grid No. 1 Voltage ............................ -80 V
Grid No. 1 Current ............................ 270 Vgg mA
Plate Current (Zero Signal) ................... 16 mA
Plate Current (Maximum Signal) ................ 80 mA
Driving Power ................................. 0.7 W
Load Resistance ............................... 55.5K Ω
Power Output (approx) ......................... 110 W

A horizontal ribbon.

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A horizontal ribbon.

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Mon, 28 Nov 2022 00:34:22 -0700