NJ7P SQL Tube Database Query

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204A
Power Triode

EIA Base & Outline

Mechanical Data

Electrical Data

Heater Voltage ................................ 11 V
Heater Current ................................ 3.85 A

Direct Interelectrode Capacitances (approx)

Triode
Input ......................................... 12.5 pf
Output ........................................ 2.3 pf
Grid to Plate ................................. 15 pf

Maximum Ratings (Design Center Values)

Triode
Plate Dissipation ............................. 250 W

Characteristics and Typical Operation

Class C Oscillator/Amplifier
Plate Voltage ................................. 2500 V
Grid No. 1 Voltage ............................ -500 V
Grid No. 1 Current ............................ 80 mA
Plate Current ................................. 275 mA
Power Output (approx) ......................... 690 W

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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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Thu, 18 Aug 2022 10:53:14 -0700