NJ7P SQL Tube Database Query

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8BH8
Medium-Mu Triode - Sharp-Cutoff Pentode

EIA Base & Outline

Substitute Data

Preferred Substitutes ......................... 8AU8
Substitutes ................................... 8AW8 8BA8 8JV8 8KS8
Source ........................................ TungSol

Application

Source ........................................ TungSol
Miniature type used in television receiver applications. Triode is used as a sync amplifier, sync-separator or sync-clipper; the pentode is used as a video amplifier, video if amplifier or sound if amplifier. Requires miniature 9-contact socket.

Mechanical Data

Source ........................................ TungSol
Bulb .......................................... T-6 1/2
Base Type ..................................... Small Button 9-Pin
EIA Outline ................................... 6-3
EIA Base ...................................... 9DX
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ TungSol
Heater Voltage ................................ 8.4 V
Heater Current ................................ 0.45 A

Source ........................................ TungSol
For other characteristics and typical operation, see 6BH8

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

Tue, 31 Jan 2023 10:33:31 -0700