NJ7P SQL Tube Database Query

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6CU5
Beam Power Tube

EIA Base & Outline

EIA Base: 7CVEIA Bulb: 5-3

Substitute Data

Preferred Substitutes ......................... 6CA5
Substitutes ................................... 6AS5 6EH5
Source ........................................ RCA RC-29 - 1975

Application

Source ........................................ RCA RC-29 - 1975
Miniature type used in the audio output stage of television receivers. Requires miniature 7-contact socket.

Mechanical Data

Source ........................................ RCA RC-29 - 1975
Bulb .......................................... T-5 1/2
Base Type ..................................... Miniature Button 7-Pin
EIA Outline ................................... 5-3
EIA Base ...................................... 7CV
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ RCA RC-29 - 1975
Heater Voltage ................................ 6.3 V
Heater Current ................................ 1.2 A

Direct Interelectrode Capacitances (approx)

Beam Pentode
Source ........................................ RCA RC-29 - 1975
Input ......................................... 13.2 pf
Output ........................................ 8.6 pf
Grid to Plate ................................. 0.7 pf

Maximum Ratings (Design Center Values)

Beam Pentode
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 150 V
Grid No. 2 Voltage ............................ 130 V
Plate Dissipation ............................. 7 W
Grid No. 2 Dissipation ........................ 1.4 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 120 V
Grid No. 2 Voltage ............................ 110 V
Grid No. 1 Voltage ............................ -8 V
Plate Resistance (approx) ..................... 10K Ω
Transconductance .............................. 7500 µMho
Plate Current ................................. 50 mA
Grid No. 2 Current (Zero Signal) .............. 4 mA
Grid No. 2 Current (Maximum Signal) ........... 8.5 mA
Load Resistance ............................... 2.5K Ω
Power Output (approx) ......................... 2.3 W

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Sun, 26 Jun 2022 03:55:27 -0700