NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

6CU6
Beam Power Amplifier

EIA Base & Outline

EIA Base: 6AM

Substitute Data

Preferred Substitutes ......................... 6BQ6
Substitutes ................................... 6GW6
Source ........................................ TungSol

Application

Source ........................................ TungSol
Glass octal type used as horizontal-deflection amplifier in color and black-and-white television receivers. Requires octal socket. This type may be supplied with pin 1 omitted.

Mechanical Data

Source ........................................ TungSol
Bulb .......................................... T-11
Base Type ..................................... Medium Shell Octal 6-pin
Maximum Overall Height ........................ 4.250 In.
Maximum Seated Height ......................... 3.688 In.
Maximum Diameter .............................. 1.438 In.
EIA Base ...................................... 6AM
Mounting Position ............................. Any

Source ........................................ TungSol
Bulb .......................................... T-12
Base Type ..................................... Medium Shell Octal 6-pin
EIA Outline ................................... 12-105
Maximum Overall Height ........................ 4.250 In.
Maximum Seated Height ......................... 3.688 In.
Maximum Diameter .............................. 1.563 In.
EIA Base ...................................... 6AM
Mounting Position ............................. Any

Electrical Data

Source ........................................ TungSol
Heater Voltage ................................ 6.3 V
Heater Current ................................ 1.2 A

Direct Interelectrode Capacitances (approx)

Beam Pentode
Source ........................................ TungSol
Input ......................................... 15.0 pf
Output ........................................ 7.0 pf
Grid to Plate ................................. 0.55 pf

Maximum Ratings (Design Center Values)

Beam Pentode
Source ........................................ TungSol
Plate Voltage ................................. 550 V
Grid No. 2 Voltage ............................ 200 V
Plate Dissipation ............................. 11 W
Grid No. 2 Dissipation ........................ 2.5 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ TungSol
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 150 V
Grid No. 1 Voltage ............................ -22.5 V
Plate Resistance (approx) ..................... 14.5K Ω
Transconductance .............................. 5900 µMho
Plate Current ................................. 57 mA
Grid No. 2 Current ............................ 2.1 mA

Horizontal Amplifier
Source ........................................ TungSol
DC Plate Supply Voltage ....................... 310 V
Peak Positive-Pulse Plate Voltage ............. 4600 V
DC Grid No. 2 Voltage ......................... 140 V
Peak Negative-Pulse Grid No. 1 Voltage ........ -300 V
Average Cathode Current ....................... 79 mA
Peak Cathode Current .......................... 270 mA

A horizontal ribbon.

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A horizontal ribbon.

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Sat, 02 Jul 2022 22:08:42 -0700