NJ7P SQL Tube Database Query

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6JQ6
Diode - Beam Power Pentode

EIA Base & Outline

Application

Source ........................................ RCA RC-29 - 1975
Miniature type featuring integral diode, internally connected to grid 3, used in feedback-stabilized vertical-deflection amplifier applications in color and bw tv receivers. Requires miniature 9-contact socket.

Mechanical Data

Source ........................................ RCA RC-29 - 1975
Bulb .......................................... T-6 1/2
EIA Outline ................................... 6-4
EIA Base ...................................... 9RA
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ RCA RC-29 - 1975
Heater Voltage ................................ 6.3 V
Heater Current ................................ 1.2 A
Maximum Heater-Cathode Voltage
Heater Positive with Respect to Cathode
DC Component ............................ 100 V
Total DC and Peak ....................... 200 V
Heater Negative with Respect to Cathode
DC Component ............................ 100 V
Total DC and Peak ....................... 200 V

Direct Interelectrode Capacitances (approx)

Pentode
Source ........................................ RCA RC-29 - 1975
Input ......................................... 13 pf
Output ........................................ 6 pf
Grid to Plate ................................. 0.32 pf

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 425 V
Grid No. 2 Voltage ............................ 330 V
Plate Dissipation ............................. 10 W
Grid No. 2 Dissipation ........................ 2 W
Grid No. 1 Circuit Resistance
Fixed Bias ................................. 2.2M Ω
Self Bias .................................. 2.2M Ω
Bulb Temperature (At Hottest Point) ........... 240 °C

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 140 V
Grid No. 2 Voltage ............................ 140 V
Grid No. 1 Voltage ............................ -18 V
Plate Resistance (approx) ..................... 10.5K Ω
Transconductance .............................. 4200 µ
Plate Current ................................. 35 mA
Grid No. 2 Current ............................ 2.5 mA

Vert Defl Amplifier
Source ........................................ RCA RC-29 - 1975
DC Plate Supply Voltage ....................... 425 V
Peak Positive-Pulse Plate Voltage ............. 2000 V
DC Grid No. 3 Voltage ......................... 10 V
DC Grid No. 2 Voltage ......................... 330 V
Peak Negative-Pulse Grid No. 1 Voltage ........ 150 V
Average Cathode Current ....................... 70 mA
Peak Cathode Current .......................... 250 mA
Plate Dissipation ............................. 10 W
Grid No. 2 Dissipation ........................ 2 W

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 19:46:49 -0700