NJ7P SQL Tube Database Query

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6CS7
Medium-Mu Twin Triode

EIA Base & Outline

EIA Base: 9EFEIA Bulb: 6-3

Substitute Data

Substitutes ................................... 6DE7
Source ........................................ RCA RC-29 - 1975

Application

Source ........................................ RCA RC-29 - 1975
Miniature type used as combined vertical-deflection oscillator and vertical-deflection amplifier in black-and-white television receivers.

Source ........................................ RCA RC-29 - 1975
Unit 1 is used as a conventional blocking oscillator in vertical-deflection circuits and unit 2 as a vertical-deflection amplifier. 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 ...................................... 9EF
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ RCA RC-29 - 1975
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.6 A

Direct Interelectrode Capacitances (approx)

Triode 1
Source ........................................ RCA RC-29 - 1975
Input ......................................... 1.8 pf
Output ........................................ 0.5 pf
Grid to Plate ................................. 2.6 pf

Triode 2
Source ........................................ RCA RC-29 - 1975
Input ......................................... 3.0 pf
Output ........................................ 0.5 pf
Grid to Plate ................................. 2.6 pf

Maximum Ratings (Design Center Values)

Triode 1
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 500 V
Plate Dissipation ............................. 1.35 W

Triode 2
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 500 V
Plate Dissipation ............................. 6.5 W

Characteristics and Typical Operation

Triode 1 Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 250 V
Grid No. 1 Voltage ............................ -8.5 V
Amplification Factor .......................... 17
Plate Resistance (approx) ..................... 7.7K Ω
Transconductance .............................. 2200 µMho
Plate Current ................................. 10.5 mA

Triode 2 Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 250 V
Grid No. 1 Voltage ............................ -10.5 V
Amplification Factor .......................... 15.5
Plate Resistance (approx) ..................... 3.45K Ω
Transconductance .............................. 4500 µMho
Plate Current ................................. 19 mA

Triode 2 Deflection Amplifier
Source ........................................ RCA RC-29 - 1975
DC Plate Supply Voltage ....................... 500 V
Peak Positive-Pulse Plate Voltage ............. 2200 V
Peak Negative-Pulse Plate Voltage ............. 250 V
Average Cathode Current ....................... 30 mA
Peak Cathode Current .......................... 105 mA

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Sat, 26 Nov 2022 01:57:51 -0700