NJ7P SQL Tube Database Query

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6BT6
Twin Diode-High-Mu Triode

EIA Base & Outline

Substitute Data

Preferred Substitutes ......................... 6AT6
Substitutes ................................... 6AV6 6BK6 6AQ6
Source ........................................ TungSol DS 01/50

Application

Source ........................................ TungSol DS 01/50
Miniature type used as a combined detector, amplifier and avc tube in compact radio receivers. Tube requires miniature 7-contact socket and may be mounted in any position.

Mechanical Data

Source ........................................ TungSol DS 01/50
Bulb .......................................... T-5 1/2
EIA Outline ................................... 5-3
EIA Base ...................................... 7BT
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ TungSol DS 01/50
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.3 A
Maximum Heater-Cathode Voltage ................ 90 V

Direct Interelectrode Capacitances (approx)

Each Diode
Source ........................................ TungSol DS 01/50
Output ........................................ 1 pf

Maximum Ratings (Design Center Values)

Triode
Source ........................................ TungSol DS 01/50
Plate Voltage ................................. 300 V

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ TungSol DS 01/50
Plate Voltage ................................. 250 V
Grid No. 1 Voltage ............................ -3 V
Amplification Factor .......................... 70
Plate Resistance (approx) ..................... 58K Ω
Transconductance .............................. 1200 µ
Plate Current ................................. 1 mA

Class A Amplifier
Source ........................................ TungSol DS 01/50
Plate Voltage ................................. 100 V
Grid No. 1 Voltage ............................ -1 V
Amplification Factor .......................... 70
Plate Resistance (approx) ..................... 54K Ω
Transconductance .............................. 1300 µ
Plate Current ................................. 0.8 mA

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

Sat, 25 Mar 2023 20:09:07 -0700