NJ7P SQL Tube Database Query

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6GA7
Diode - Pentode

EIA Base & Outline

EIA Base: 12EBEIA Bulb: 12-58
Source ........................................ GE - 1973

Mechanical Data

Source ........................................ GE - 1973
Bulb .......................................... T-12
EIA Outline ................................... 12-58
EIA Base ...................................... 12EB

Electrical Data

Source ........................................ GE - 1973
Heater Voltage ................................ 6.3 V
Heater Current ................................ 2.26 A

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ GE - 1973
Plate Voltage ................................. 770 V
Grid No. 2 Voltage ............................ 220 V
Plate Dissipation ............................. 15 W
Grid No. 2 Dissipation ........................ 3.6 W

Diode
Source ........................................ GE - 1973
Peak Inverse Plate Voltage .................... 5500 V
Voltage Drop @ Current ........................ 32 V @ 250 mA
Plate Dissipation ............................. 5.0 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ GE - 1973
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 150 V
Grid No. 1 Voltage ............................ -22.5 V
Plate Resistance (approx) ..................... 6600 Ω
Plate Current ................................. 75 mA
Grid No. 2 Current ............................ 2.4 mA

Horiz Defl Amplifier
Source ........................................ GE - 1973
DC Plate Supply Voltage ....................... 250 V
Peak Negative-Pulse Plate Voltage ............. 150 V
DC Grid No. 3 Voltage ......................... 6500 V
DC Grid No. 2 Voltage ......................... -22.5 V
Peak Negative-Pulse Grid No. 1 Voltage ........ 75 V
Average Cathode Current ....................... 140 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.

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

Wed, 08 Dec 2021 11:44:30 -0700