NJ7P SQL Tube Database Query

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T-300
Power Triode

EIA Base & Outline

Mechanical Data

Electrical Data

Heater Voltage ................................ 11 V
Heater Current ................................ 6.0 A

Direct Interelectrode Capacitances (approx)

Triode
Input ......................................... 6.0 pf
Output ........................................ 1.4 pf
Grid to Plate ................................. 7.0 pf

Maximum Ratings (Design Center Values)

Triode
Plate Voltage ................................. 3000 V
Plate Dissipation ............................. 200 W

Characteristics and Typical Operation

Class C Amplifier
Plate Voltage ................................. 3000 V
Grid No. 1 Voltage ............................ -400 V
Grid No. 1 Current ............................ 28 mA
Plate Current ................................. 250 mA
Driving Power ................................. 20 W
Power Output (approx) ......................... 600 W

Class C Modulated Amplifier (Plate)
Plate Voltage ................................. 2000 V
Grid No. 1 Voltage ............................ -300 V
Grid No. 1 Current ............................ 36 mA
Plate Current ................................. 250 mA
Driving Power ................................. 17 W
Power Output (approx) ......................... 385 W

Push Pull Class B Amplifier
Plate Voltage ................................. 2500 V
Grid No. 1 Voltage ............................ -300 V
Plate Current (Zero Signal) ................... 60 mA
Plate Current (Maximum Signal) ................ 450 mA
Driving Power ................................. 7.5 W
Power Output (approx) ......................... 750 W

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Sun, 26 Jun 2022 03:18:56 -0700