NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

6CD6GA
Beam Power Amplifier

EIA Base & Outline

EIA Base: 5BTEIA Bulb: 12-21

Substitute Data

Preferred Substitutes ......................... 6EX6
Substitutes ................................... 6DN6 6DQ5 6CG6
Source ........................................ RCA RC-29 - 1975

Application

Source ........................................ RCA RC-29 - 1975
Glass octal type used as horizontal-deflection amplifier in high-efficiency deflection circuits of color and black-and-white television receivers. Requires octal socket.

Source ........................................ RCA RC-29 - 1975
This type may be supplied with pins 1, 4 and 6 omitted. Vertical tube mounting is prefred, but horizontal operation is permissible if pins 2 and 7 are in vertical plane.

Mechanical Data

Source ........................................ RCA RC-29 - 1975
Bulb .......................................... T-12
Base Type ..................................... Short Medium Shell 5 or 8 Pin
EIA Outline ................................... 12-21
EIA Base ...................................... 5BT
Top Cap ....................................... Small
Mounting Position ............................. Vertical

Electrical Data

Source ........................................ RCA RC-29 - 1975
Heater Voltage ................................ 6.3 V
Heater Current ................................ 2.5 A

Direct Interelectrode Capacitances (approx)

Pentode
Source ........................................ RCA RC-29 - 1975
Input ......................................... 22 pf
Output ........................................ 8.5 pf
Grid to Plate ................................. 1.1 pf

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 700 V
Grid No. 2 Voltage ............................ 175 V
Plate Dissipation ............................. 20 W
Grid No. 2 Dissipation ........................ 3.0 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 175 V
Grid No. 2 Voltage ............................ 175 V
Grid No. 1 Voltage ............................ -30 V
Plate Resistance (approx) ..................... 7.2K Ω
Transconductance .............................. 7700 µMho
Plate Current ................................. 75 mA
Grid No. 2 Current ............................ 5.5 mA
Grid No. 1 Voltage for Ib ..................... 1000 µa @ -55 V

Horizontal Amplifier
Source ........................................ RCA RC-29 - 1975
DC Plate Supply Voltage ....................... 700 V
Peak Positive-Pulse Plate Voltage ............. 7000 V
Peak Negative-Pulse Plate Voltage ............. -1500 V
DC Grid No. 2 Voltage ......................... 175 V
Peak Negative-Pulse Grid No. 1 Voltage ........ -200 V
Average Cathode Current ....................... 200 mA
Peak Cathode Current .......................... 700 mA
Plate Dissipation ............................. 20 W
Grid No. 2 Dissipation ........................ 3.0 W

A horizontal ribbon.

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A horizontal ribbon.

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Sat, 02 Jul 2022 08:11:33 -0700