NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

6DE7
Dissimiliar Twin Triode

EIA Base & Outline

EIA Base: 9HFEIA Bulb: 6-3

Substitute Data

Preferred Substitutes ......................... 6EW7
Substitutes ................................... 6DA7
Source ........................................ RCA RC-29 - 1975

Application

Source ........................................ RCA RC-29 - 1975
Miniature type used as combined vertical oscillator and vertical-deflection amplifier in television receivers. Unit 1 is used as a blocking oscillator in vertical-deflection circuits,

Source ........................................ RCA RC-29 - 1975
and unit 2 is uase as a vertical-deflection amplifier. Requires miniature 9-contact socket.For curve of average plate characteristics, unit 2 refer to type 6DR7.

Mechanical Data

Source ........................................ RCA RC-29 - 1975
Bulb .......................................... T-6 1/2
Base Type ..................................... Miniature Button 9-Pin
EIA Outline ................................... 6-3
EIA Base ...................................... 9HF
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 ........................................ 0.52 pf
Grid to Plate ................................. 4 pf

Triode 2
Source ........................................ RCA RC-29 - 1975
Input ......................................... 5.5 pf
Output ........................................ 1 pf
Grid to Plate ................................. 8.5 pf

Maximum Ratings (Design Center Values)

Triode 1
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 330 V
Plate Dissipation ............................. 1.5 W

Triode 2
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 275 V
Plate Dissipation ............................. 7.0 W

Characteristics and Typical Operation

Triode 1 Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 250 V
Grid No. 1 Voltage ............................ -11 V
Amplification Factor .......................... 17.5
Plate Resistance (approx) ..................... 8.75K Ω
Transconductance .............................. 2000 µMho
Plate Current ................................. 5.5 mA

Triode 2 Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 150 V
Grid No. 1 Voltage ............................ -17.5 V
Amplification Factor .......................... 6
Plate Resistance (approx) ..................... 925 Ω
Transconductance .............................. 6500 µMho
Plate Current ................................. 35 mA

A horizontal ribbon.

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A horizontal ribbon.

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Tue, 29 Nov 2022 18:32:19 -0700