NJ7P SQL Tube Database Query

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A horizontal ribbon.

8025
Power Triode

EIA Base & Outline

EIA Base: 4AQ

Mechanical Data

EIA Base ...................................... 4AQ

Electrical Data

Heater Voltage ................................ 6.3 V
Heater Current ................................ 1.92 A

Direct Interelectrode Capacitances (approx)

Triode
Input ......................................... 2.7 pf
Output ........................................ 0.35 pf
Grid to Plate ................................. 2.8 pf

Maximum Ratings (Design Center Values)

Triode
Plate Voltage ................................. 1000 V
Plate Dissipation ............................. 30 W

Characteristics and Typical Operation

GMA
Plate Voltage ................................. 1000 V
Grid No. 1 Voltage ............................ -135 V
Grid No. 1 Current ............................ 4 mA
Plate Current ................................. 50 mA
Driving Power ................................. 3.5 W
Power Output (approx) ......................... 20 W

Class C Modulated Amplifier (Plate)
Plate Voltage ................................. 800 V
Grid No. 1 Voltage ............................ -105 V
Grid No. 1 Current ............................ 10.5 mA
Plate Current ................................. 40 mA
Driving Power ................................. 1.4 W
Power Output (approx) ......................... 22 W

Class C Amplifier
Plate Voltage ................................. 1000 V
Grid No. 1 Voltage ............................ -90 V
Grid No. 1 Current ............................ 14 mA
Plate Current ................................. 50 mA
Driving Power ................................. 1.6 W
Power Output (approx) ......................... 35 W

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A horizontal ribbon.

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Tue, 28 Jun 2022 03:15:39 -0700