NJ7P SQL Tube Database Query

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254
Power Triode

EIA Base & Outline

EIA Base: 2N

Mechanical Data

EIA Base ...................................... 2N

Electrical Data

Heater Voltage ................................ 5.0 V
Heater Current ................................ 7.5 A

Direct Interelectrode Capacitances (approx)

Triode
Input ......................................... 2.5 pf
Output ........................................ 0.4 pf
Grid to Plate ................................. 2.7 pf

Maximum Ratings (Design Center Values)

Triode
Plate Voltage ................................. 4000 V
Plate Dissipation ............................. 100 W

Characteristics and Typical Operation

Class C Amplifier
Plate Voltage ................................. 3000 V
Grid No. 1 Voltage ............................ -245 V
Grid No. 1 Current ............................ 40 mA
Plate Current ................................. 165 mA
Driving Power ................................. 18 W
Power Output (approx) ......................... 400 W

Class C Modulated Amplifier (Plate)
Plate Voltage ................................. 2500 V
Grid No. 1 Voltage ............................ -360 V
Grid No. 1 Current ............................ 40 mA
Plate Current ................................. 168 mA
Driving Power ................................. 23 W
Power Output (approx) ......................... 335 W

Push Pull Class B Amplifier
Plate Voltage ................................. 2500 V
Grid No. 1 Voltage ............................ -80 V
Peak Grid No. 1 Voltage........................ 460 V
Plate Current (Zero Signal) ................... 40 mA
Plate Current (Maximum Signal) ................ 240 mA
Driving Power ................................. 25 W
Load Resistance ............................... 25.2K Ω
Power Output (approx) ......................... 420 W

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Sat, 25 Jun 2022 09:04:23 -0700