NJ7P SQL Tube Database Query

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6CL6
Power Pentode

EIA Base & Outline

Substitute Data

Preferred Substitutes ......................... 6677 6197
Source ........................................ RCA RC-29 - 1975

Application

Source ........................................ RCA RC-29 - 1975
Miniature type used in output stage of video amplifier of color and black-and-white television receivers and as wide-band amplifier tube in industrial and laboratory equipment. Requires miniature 9-contact socket.

Mechanical Data

Source ........................................ RCA RC-29 - 1975
Bulb .......................................... T-6 1/2
Base Type ..................................... Small Button 9-Pin
EIA Outline ................................... 6-3
EIA Base ...................................... 9BV
Mounting Position ............................. Any

Electrical Data

Source ........................................ RCA RC-29 - 1975
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.65 A

Direct Interelectrode Capacitances (approx)

Pentode
Source ........................................ RCA RC-29 - 1975
Input ......................................... 11 pf
Output ........................................ 5.5 pf
Grid to Plate ................................. 0.12 pf

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 300 V
Grid No. 2 Voltage ............................ 150 V
Plate Dissipation ............................. 7.5 W
Grid No. 2 Dissipation ........................ 1.7 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 150 V
Grid No. 1 Voltage ............................ -3 V
Amplification Factor .......................... 30
Plate Resistance (approx) ..................... 150K Ω
Transconductance .............................. 11K µ
Plate Current ................................. 31 mA
Grid No. 2 Current (Zero Signal) .............. 7 mA
Grid No. 2 Current (Maximum Signal) ........... 7.2 mA
Load Resistance ............................... 7500 Ω
Power Output (approx) ......................... 2.8 W

Video Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 300 V
Grid No. 2 Voltage ............................ 300 V
Grid No. 1 Voltage ............................ -2 V
Peak Grid No. 1 Voltage........................ 3 V
Plate Current ................................. 30 mA
Grid No. 2 Current ............................ 7 mA
Load Resistance ............................... 3900 Ω

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

Thu, 02 Feb 2023 03:57:56 -0700