NJ7P SQL Tube Database Query

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6AH6
Sharp-Cutoff Pentode

EIA Base & Outline

Substitute Data

Preferred Substitutes ......................... 6HR6 6HS6
Substitutes ................................... 6AU6 6BA6 6CG6
Source ........................................ GE DS 3/51

Application

Source ........................................ GE DS 3/51
Miniature type used a if amplifier or wide-band video amplifier. Requires miniature 7-contact socket.

Mechanical Data

Source ........................................ GE DS 3/51
Bulb .......................................... T-5 1/2
Base Type ..................................... Miniature Button 7-Pin
EIA Outline ................................... 5-2
EIA Base ...................................... 7CC
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ GE DS 3/51
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.45 A
Maximum Heater-Cathode Voltage ................ 90 V

Direct Interelectrode Capacitances (approx)

Pentode
Source ........................................ GE DS 3/51
Shielded Unshielded
Input ......................................... 10.0 10.0 pf
Output ........................................ 3.6 2.0 pf
Grid to Plate ................................. 0.03 0.02 pf

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ GE DS 3/51
Plate Voltage ................................. 300 V
Grid No. 2 Supply Voltage ..................... 300 V
Grid No. 2 Voltage ............................ 150 V
Plate Dissipation ............................. 3.2 W
Grid No. 2 Dissipation ........................ 0.4 W
Cathode Current ............................... 13 mA

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ GE DS 3/51
Plate Voltage ................................. 300 V
Grid No. 2 Voltage ............................ 150 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 160 Ω
Plate Resistance (approx) ..................... 500K Ω
Transconductance .............................. 9000 µ
Plate Current ................................. 10 mA
Grid No. 2 Current ............................ 2.5 mA
Grid No. 1 Voltage for Ib ..................... 10 µa @ -7 V

Class A Amplifier (Triode Connected)
Source ........................................ GE DS 3/51
Plate Voltage ................................. 150 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 160 Ω
Amplification Factor .......................... 40
Plate Resistance (approx) ..................... 3600 Ω
Transconductance .............................. 11000 µ
Plate Current ................................. 12.5 mA
Grid No. 1 Voltage for Ib ..................... 10 µa @ -7 V

Notes

Source ........................................ GE DS 3/51
1. For triode connection connect grids 2 and 3 to plate.

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

Thu, 29 Sep 2022 01:47:48 -0700