NJ7P SQL Tube Database Query

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A horizontal ribbon.

2E22
Power Pentode

EIA Base & Outline

EIA Base: 5J

Mechanical Data

EIA Base ...................................... 5J

Electrical Data

Heater Voltage ................................ 6.3 V
Heater Current ................................ 1.5 A

Direct Interelectrode Capacitances (approx)

Pentode
Input ......................................... 13 pf
Output ........................................ 8 pf
Grid to Plate ................................. 0.2 pf

Maximum Ratings (Design Center Values)

Pentode
Plate Voltage ................................. 750 V
Grid No. 2 Voltage ............................ 250 V
Plate Dissipation ............................. 30 W
Grid No. 2 Dissipation ........................ 10 W

Characteristics and Typical Operation

Class C Oscillator/Amplifier
Plate Voltage ................................. 750 V
Grid No. 3 Voltage ............................ 22.5 V
Grid No. 2 Voltage ............................ 250 V
Grid No. 1 Voltage ............................ -60 V
Grid No. 1 Current ............................ 6 mA
Plate Current ................................. 100 mA
Grid No. 2 Current ............................ 16 mA
Driving Power ................................. 0.55 W
Power Output (approx) ......................... 53 W

Class C Modulated Amplifier (Supressor)
Plate Voltage ................................. 750 V
Grid No. 3 Voltage ............................ -90 V
Grid No. 2 Voltage ............................ 250 V
Grid No. 1 Voltage ............................ -90 V
Plate Current ................................. 55 mA
Grid No. 2 Current ............................ 29 mA
Power Output (approx) ......................... 16.25 W

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A horizontal ribbon.

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Wed, 07 Dec 2022 12:14:50 -0700