NJ7P SQL Tube Database Query

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3E29
Twin Beam Power Tube

EIA Base & Outline

EIA Base: 7BP

Mechanical Data

EIA Base ...................................... 7BP

Electrical Data

Heater Voltage ................................ 6.3/12.6 V
Heater Current ................................ 2.25/1.125 A

Direct Interelectrode Capacitances (approx)

Each Pentode
Input ......................................... 14.5 pf
Output ........................................ 7.0 pf
Grid to Plate ................................. 0.12 pf

Maximum Ratings (Design Center Values)

Each Pentode
Plate Voltage ................................. 750 V
Grid No. 2 Voltage ............................ 240 V
Plate Dissipation ............................. 40 W
Grid No. 2 Dissipation ........................ 7 W

For other characteristics and typical operation, see 829B

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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.

Please enter the tube number:

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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Tue, 24 May 2022 03:10:38 -0700