NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

6DN7
Dissimiliar Dual Triode

EIA Base & Outline

EIA Base: 8BDEIA Bulb: 9-5

Substitute Data

Substitutes ................................... 6EA7
Source ........................................ RCA RC-29 - 1975

Application

Source ........................................ RCA RC-29 - 1975
Glass-octal type used as combined vertical oscillator and vertical-deflection amplifier in television receivers.

Source ........................................ RCA RC-29 - 1975
Unit 1 is used as a blocking oscillator in vertical-deflection circuits, and unit 2 is used as a vertical-deflection amplifier. Requires miniature 9-contact socket.

Mechanical Data

Source ........................................ RCA RC-29 - 1975
Bulb .......................................... T-9
Base Type ..................................... Intermediate Shell Octal 8-Pin
EIA Outline ................................... 9-5
EIA Base ...................................... 8BD
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ RCA RC-29 - 1975
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.9 A

Direct Interelectrode Capacitances (approx)

Triode 1
Source ........................................ RCA RC-29 - 1975
Input ......................................... 2.2 pf
Output ........................................ 0.7 pf
Grid to Plate ................................. 4 pf

Triode 2
Source ........................................ RCA RC-29 - 1975
Input ......................................... 4.6 pf
Output ........................................ 1 pf
Grid to Plate ................................. 5.5 pf

Maximum Ratings (Design Center Values)

Triode 1
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 350 V
Plate Dissipation ............................. 1 W

Triode 2
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 550 V
Plate Dissipation ............................. 10 W

Characteristics and Typical Operation

Triode 1 Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 250 V
Grid No. 1 Voltage ............................ -8 V
Amplification Factor .......................... 22.5
Plate Resistance (approx) ..................... 9K Ω
Transconductance .............................. 2500 µMho
Plate Current ................................. 8 mA

Triode 2 Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 250 V
Grid No. 1 Voltage ............................ -9.5 V
Amplification Factor .......................... 15.4
Plate Resistance (approx) ..................... 2K Ω
Transconductance .............................. 7700 µMho
Plate Current ................................. 41 mA

A horizontal ribbon.

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A horizontal ribbon.

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Tue, 24 May 2022 02:49:58 -0700