NJ7P SQL Tube Database Query

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865
Power Tetrode

EIA Base & Outline

EIA Base: T4C

Mechanical Data

EIA Base ...................................... T4C

Electrical Data

Heater Voltage ................................ 7.5 V
Heater Current ................................ 2 A

Direct Interelectrode Capacitances (approx)

Tetrode
Input ......................................... 8.5 pf
Output ........................................ 8 pf
Grid to Plate ................................. 0.1 pf

Maximum Ratings (Design Center Values)

Tetrode
Plate Voltage ................................. 750 V
Grid No. 2 Voltage ............................ 175 V
Plate Dissipation ............................. 15 W
Grid No. 2 Dissipation ........................ 3 W

Characteristics and Typical Operation

Class C Amplifier
Plate Voltage ................................. 750 V
Grid No. 2 Voltage ............................ 125 V
Grid No. 1 Voltage ............................ -80 V
Grid No. 1 Current ............................ 5.5 mA
Plate Current ................................. 40 mA
Driving Power ................................. 1 W
Power Output (approx) ......................... 16 W

Class C Modulated Amplifier (Plate)
Plate Voltage ................................. 500 V
Grid No. 2 Voltage ............................ 125 V
Grid No. 1 Voltage ............................ -120 V
Grid No. 1 Current ............................ 9 mA
Plate Current ................................. 40 mA
Driving Power ................................. 2.5 W
Power Output (approx) ......................... 10 W

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This database contains data on thousands of tubes. Every effort has been made to insure the accuracy of this reference, however, I assume no liability for the results of using information contained herein.

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Thu, 11 Aug 2022 13:38:56 -0700