NJ7P SQL Tube Database Query

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6J10
Power Pentode - Gated-Beam Discriminator

EIA Base & Outline

Substitute Data

Preferred Substitutes ......................... 6J10
Source ........................................ RCA RC-29 - 1975

Application

Source ........................................ RCA RC-29 - 1975
Duodecar type used as combined limiter, discriminator and audio power-output tube in FM radio and tv receivers. Requires duodecar 12-contact socket.

Mechanical Data

Source ........................................ RCA RC-29 - 1975
Bulb .......................................... T-9
EIA Outline ................................... 9-58
EIA Base ...................................... 12BT

Electrical Data

Source ........................................ RCA RC-29 - 1975
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.95 A

Direct Interelectrode Capacitances (approx)

Gated-Beam
Source ........................................ RCA RC-29 - 1975
Input ......................................... 4.4 pf

Pentode
Source ........................................ RCA RC-29 - 1975
Input ......................................... 11 pf
Output ........................................ 7.5 pf
Grid to Plate ................................. 0.22 pf

Maximum Ratings (Design Center Values)

Gated-Beam
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 330 V
Grid No. 2 Voltage ............................ 330 V

Pentode
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 275 V
Grid No. 2 Voltage ............................ 275 V
Plate Dissipation ............................. 10 W
Grid No. 2 Dissipation ........................ 2 W

Characteristics and Typical Operation

Pentode Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 250 V
Grid No. 1 Voltage ............................ -8 V
Peak Grid No. 1 Voltage........................ 8 V
Plate Resistance (approx) ..................... 100K Ω
Transconductance .............................. 6500 µ
Plate Current (Zero Signal) ................... 35 mA
Plate Current (Maximum Signal) ................ 39 mA
Grid No. 2 Current (Zero Signal) .............. 3 mA
Grid No. 2 Current (Maximum Signal) ........... 13 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

Wed, 08 Feb 2023 22:26:25 -0700