NJ7P SQL Tube Database Query

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6CN7
Twin Diode-High-Mu Triode

EIA Base & Outline

Application

Source ........................................ RCA RC-29 - 1975
Miniature tupe used as combined horizontal phase detector and reactance tube in color and black-and-white television receivers. The triode is used in sync-separator, sync-amplifier, or audio amplifier circuits. 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 ................................... 6-2
EIA Base ...................................... 9EN
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ RCA RC-29 - 1975
Heater Voltage ................................ 6.3/3.15 V
Heater Current ................................ 0.3/0/6 A
Heater Warm-up Time ........................... 11 s

Direct Interelectrode Capacitances (approx)

Triode
Source ........................................ RCA RC-29 - 1975
Input ......................................... 1.5 pf
Output ........................................ 0.5 pf
Grid to Plate ................................. 1.8 pf

Maximum Ratings (Design Center Values)

Triode
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 330 V
Plate Dissipation ............................. 1.1 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 100 V
Grid No. 1 Voltage ............................ -1 V
Amplification Factor .......................... 70
Plate Resistance (approx) ..................... 54K Ω
Transconductance .............................. 1300 µ
Plate Current ................................. 0.8 mA

Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 250 V
Grid No. 1 Voltage ............................ -3 V
Amplification Factor .......................... 70
Plate Resistance (approx) ..................... 58K Ω
Transconductance .............................. 1200 µ
Plate Current ................................. 1 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, 29 Mar 2023 06:35:04 -0700