NJ7P SQL Tube Database Query

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6B8GT
Twin Diode - Semiremote-Cutoff Pentode

EIA Base & Outline

Application

Source ........................................ GE - 1973
Glass octal type used as combined detector, amplifier and avc tube. Tube requires octal socket. Requires complete shielding of detector circuits.

Mechanical Data

Source ........................................ GE - 1973
Bulb .......................................... T-9
EIA Outline ................................... 9-20
EIA Base ...................................... 8E

Electrical Data

Source ........................................ GE - 1973
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.3 A

Direct Interelectrode Capacitances (approx)

Pentode
Source ........................................ GE - 1973
Input ......................................... 4.5 pf
Output ........................................ 10.0 pf
Grid to Plate ................................. 0.005 pf

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ GE - 1973
Plate Voltage ................................. 300 V
Grid No. 2 Voltage ............................ 125 V
Plate Dissipation ............................. 3.0 W
Grid No. 2 Dissipation ........................ 0.3 W

Source ........................................ GE - 1973
For other characteristics and typical operation, see 6B8

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, 02 Jul 2022 06:50:42 -0700