NJ7P SQL Tube Database Query

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RK39
Power Tetrode

EIA Base & Outline

EIA Base: 5AW

Mechanical Data

EIA Base ...................................... 5AW

Electrical Data

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

Direct Interelectrode Capacitances (approx)

Tetrode
Input ......................................... 13 pf
Output ........................................ 10 pf
Grid to Plate ................................. 0.2 pf

Maximum Ratings (Design Center Values)

Tetrode
Plate Voltage ................................. 600 V
Grid No. 2 Voltage ............................ 300 V
Plate Dissipation ............................. 25 W
Grid No. 2 Dissipation ........................ 3.5 W

For other characteristics and typical operation, see RK41

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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.

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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.

Other Tube Search Engines:
Frank's Electron Tube Pages

Complete Tube Manuals:
Tube Manual Index from NJ7P

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Thu, 30 Jun 2022 04:10:15 -0700