NJ7P SQL Tube Database Query

Note: Please do not link down into my pages. I change this directory structure often and your links will not work correctly.

HK24
Power Triode

EIA Base & Outline

Mechanical Data

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

Electrical Data

Heater Voltage ................................ 6.3 V
Heater Current ................................ 3.0 A

Direct Interelectrode Capacitances (approx)

Triode
Input ......................................... 2.5 pf
Output ........................................ 0.4 pf
Grid to Plate ................................. 1.7 pf

Maximum Ratings (Design Center Values)

Triode
Plate Voltage ................................. 2000 V
Plate Dissipation ............................. 25 W

Characteristics and Typical Operation

Class C Amplifier
Plate Voltage ................................. 2000 V
Grid No. 1 Voltage ............................ -140 V
Grid No. 1 Current ............................ 18 mA
Plate Current ................................. 56 mA
Driving Power ................................. 4.0 W
Power Output (approx) ......................... 90 W

Class C Modulated Amplifier (Plate)
Plate Voltage ................................. 1500 V
Grid No. 1 Voltage ............................ -145 V
Grid No. 1 Current ............................ 25 mA
Plate Current ................................. 50 mA
Driving Power ................................. 5.5 W
Power Output (approx) ......................... 60 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, 30 Jun 2022 03:32:56 -0700