NJ7P SQL Tube Database Query

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6HG5
Beam Power Pentode

EIA Base & Outline

Substitute Data

Preferred Substitutes ......................... 6AQ5
Substitutes ................................... 6HR5
Source ........................................ GE - 1973

Mechanical Data

Source ........................................ GE - 1973
Bulb .......................................... T-5 1/2
EIA Outline ................................... 5-3
EIA Base ...................................... 7BZ

Electrical Data

Source ........................................ GE - 1973
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.45 A

Direct Interelectrode Capacitances (approx)

Pentode
Source ........................................ GE - 1973
Input ......................................... 8.0 pf
Output ........................................ 8.5 pf
Grid to Plate ................................. 0.4 pf

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ GE - 1973
Plate Voltage ................................. 275 V
Grid No. 2 Voltage ............................ 275 V
Plate Dissipation ............................. 12 W
Grid No. 2 Dissipation ........................ 2.0 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ GE - 1973
Plate Voltage ................................. 180 V
Grid No. 2 Voltage ............................ 180 V
Grid No. 1 Voltage ............................ -8.5 V
Plate Resistance (approx) ..................... 58K Ω
Transconductance .............................. 3700 µ
Plate Current (Zero Signal) ................... 29 mA
Plate Current (Maximum Signal) ................ 30 mA
Grid No. 2 Current (Zero Signal) .............. 3 mA
Grid No. 2 Current (Maximum Signal) ........... 4 mA
Load Resistance ............................... 5.5K Ω
Power Output (approx) ......................... 2 W

Class A Amplifier
Source ........................................ GE - 1973
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 250 V
Grid No. 1 Voltage ............................ -12.5 V
Plate Resistance (approx) ..................... 52K Ω
Transconductance .............................. 4100 µ
Plate Current (Zero Signal) ................... 45 mA
Plate Current (Maximum Signal) ................ 47 mA
Grid No. 2 Current (Zero Signal) .............. 4.5 mA
Grid No. 2 Current (Maximum Signal) ........... 7 mA
Load Resistance ............................... 5K Ω
Power Output (approx) ......................... 4.5 W

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.

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

Wed, 29 Mar 2023 02:57:35 -0700