NJ7P SQL Tube Database Query

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6H8G
Dual Diode - High-Mu Pentode

EIA Base & Outline

EIA Base: 5AF
Source ........................................ ARRL HB - 1947

Mechanical Data

Source ........................................ ARRL HB - 1947
EIA Base ...................................... 5AF

Electrical Data

Source ........................................ ARRL HB - 1947
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.3 A

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ ARRL HB - 1947
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 100 V
Grid No. 1 Voltage ............................ -2 V
Plate Resistance (approx) ..................... 650K Ω
Transconductance .............................. 2400 µMho
Plate Current ................................. 8.5 mA

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

Mon, 15 Aug 2022 17:04:49 -0700