NJ7P SQL Tube Database Query

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802
Power Pentode

EIA Base & Outline

Mechanical Data

EIA Outline ................................... 16-2
EIA Base ...................................... 6BM

Electrical Data

Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.9 A

Direct Interelectrode Capacitances (approx)

Pentode
Input ......................................... 12 pf
Output ........................................ 8.5 pf
Grid to Plate ................................. 0.15 pf

Maximum Ratings (Design Center Values)

Pentode
Plate Voltage ................................. 600 V
Grid No. 2 Voltage ............................ 250 V
Plate Dissipation ............................. 13 W
Grid No. 2 Dissipation ........................ 6 W

Characteristics and Typical Operation

Class C Amplifier
Plate Voltage ................................. 600 V
Grid No. 3 Voltage ............................ 40 V
Grid No. 2 Voltage ............................ 250 V
Grid No. 1 Voltage ............................ -120 V
Grid No. 1 Current ............................ 2.4 mA
Plate Current ................................. 55 mA
Grid No. 2 Current ............................ 16 mA
Driving Power ................................. 0.3 W
Power Output (approx) ......................... 23 W

Class C Modulated Amplifier (Plate)
Plate Voltage ................................. 500 V
Grid No. 3 Voltage ............................ 40 V
Grid No. 2 Voltage ............................ 245 V
Grid No. 1 Voltage ............................ -40 V
Grid No. 1 Current ............................ 1.5 mA
Plate Current ................................. 40 mA
Grid No. 2 Current ............................ 15 mA
Driving Power ................................. 0.1 W
Power Output (approx) ......................... 12 W

Class C Modulated Amplifier (Plate) (Suppressor)
Plate Voltage ................................. 600 V
Grid No. 3 Voltage ............................ -45 V
Grid No. 2 Voltage ............................ 250 V
Grid No. 1 Voltage ............................ -100 V
Grid No. 1 Current ............................ 5 mA
Plate Current ................................. 30 mA
Grid No. 2 Current ............................ 24 mA
Driving Power ................................. 0.6 W
Power Output (approx) ......................... 6.3 W

If you are uncertain about the EIA designator for a particular tube please use the "Index" button to list all the tubes in the database. You can click on the designator for the closest tube.

(c) 1994-2021 by William A. Beech, NJ7P

Thu, 29 Sep 2022 23:45:05 -0700