NJ7P SQL Tube Database Query

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A horizontal ribbon.

1C5GT
Power Pentode

EIA Base & Outline

EIA Base: 6XEIA Bulb: 9-11

Substitute Data

Preferred Substitutes ......................... 1Q5
Substitutes ................................... 1A6
Source ........................................ RCA RC-15 - 1947

Application

Source ........................................ RCA RC-15 - 1947
Glass octal type used in output stage of battery-operated receivers. Tube requires octal socket.

Mechanical Data

Source ........................................ RCA RC-15 - 1947
Bulb .......................................... T-9
Base Type ..................................... Octal
EIA Outline ................................... 9-11
EIA Base ...................................... 6X

Electrical Data

Source ........................................ RCA RC-15 - 1947
Filament Voltage .............................. 1.4 DC V
Filament Current .............................. 0.1 A

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ RCA RC-15 - 1947
Plate Voltage ................................. 110 V
Grid No. 2 Voltage ............................ 110 V
Cathode Current ............................... 12 mA

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA RC-15 - 1947
Plate Voltage ................................. 90 V
Grid No. 2 Voltage ............................ 90 V
Grid No. 1 Voltage ............................ -7.5 V
Peak Grid No. 1 Voltage........................ 7.5 V
Plate Resistance (approx) ..................... 115K Ω
Transconductance .............................. 1550 µMho
Plate Current (Zero Signal) ................... 7.5 mA
Plate Current (Maximum Signal) ................ 7.8 mA
Grid No. 2 Current (Zero Signal) .............. 1.6 mA
Grid No. 2 Current (Maximum Signal) ........... 3.5 mA
Load Resistance ............................... 8K Ω
Power Output (approx) ......................... 0.24 W
Total Harmonic Distortion ..................... 10 %

Class A Amplifier
Source ........................................ RCA RC-15 - 1947
Plate Voltage ................................. 83 V
Grid No. 2 Voltage ............................ 83 V
Grid No. 1 Voltage ............................ -7.0 V
Peak Grid No. 1 Voltage........................ 7.0 V
Plate Resistance (approx) ..................... 110K Ω
Transconductance .............................. 1500 µMho
Plate Current (Zero Signal) ................... 7.0 mA
Plate Current (Maximum Signal) ................ 7.3 mA
Grid No. 2 Current (Zero Signal) .............. 1.6 mA
Grid No. 2 Current (Maximum Signal) ........... 3.5 mA
Load Resistance ............................... 9K Ω
Power Output (approx) ......................... 0.2 W
Total Harmonic Distortion ..................... 10 %

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A horizontal ribbon.

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Mon, 30 Jan 2023 00:31:17 -0700