NJ7P SQL Tube Database Query

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TZ40
Power Triode

EIA Base & Outline

EIA Base: 3G

Mechanical Data

EIA Base ...................................... 3G

Electrical Data

Heater Voltage ................................ 7.5 V
Heater Current ................................ 2.5 A

Direct Interelectrode Capacitances (approx)

Triode
Input ......................................... 4.8 pf
Output ........................................ 0.8 pf
Grid to Plate ................................. 5.0 pf

Maximum Ratings (Design Center Values)

Triode
Plate Voltage ................................. 1500 V
Plate Dissipation ............................. 40 W

Characteristics and Typical Operation

Class C Oscillator/Amplifier
Plate Voltage ................................. 1500 V
Grid No. 1 Voltage ............................ -90 V
Grid No. 1 Current ............................ 38 mA
Plate Current ................................. 150 mA
Driving Power ................................. 10 W
Power Output (approx) ......................... 165 W

Class C Modulated Amplifier (Plate)
Plate Voltage ................................. 1250 V
Grid No. 1 Voltage ............................ -100 V
Grid No. 1 Current ............................ 30 mA
Plate Current ................................. 125 mA
Driving Power ................................. 7.5 W
Power Output (approx) ......................... 116 W

Push Pull Class B Amplifier
Plate Voltage ................................. 1500 V
Grid No. 1 Voltage ............................ -9 V
Peak Grid No. 1 Voltage........................ 285 V
Plate Current ................................. 250 mA
Driving Power ................................. 6.0 W
Load Resistance ............................... 12K Ω
Power Output (approx) ......................... 250 W

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Mon, 15 Aug 2022 18:21:40 -0700