NJ7P SQL Tube Database Query

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5HC7
Dissimiliar Twin Triode

EIA Base & Outline

EIA Base: 12FREIA Bulb: 9-57
Source ........................................ GE - 1973

Mechanical Data

Source ........................................ GE - 1973
Bulb .......................................... T-9
EIA Outline ................................... 9-57
EIA Base ...................................... 12FR

Electrical Data

Source ........................................ GE - 1973
Heater Voltage ................................ 5.6 V
Heater Current ................................ 0.45 A

Maximum Ratings (Design Center Values)

Triode 1
Source ........................................ GE - 1973
Plate Voltage ................................. 330 V
Plate Dissipation ............................. 3.0 W

Triode 2
Source ........................................ GE - 1973
Plate Voltage ................................. 330 V
Plate Dissipation ............................. 1.2 W

Characteristics and Typical Operation

Triode 1 Class A Amplifier
Source ........................................ GE - 1973
Plate Voltage ................................. 150 V
Grid No. 1 Voltage ............................ -1.0 V
Amplification Factor .......................... 23
Plate Resistance (approx) ..................... 5200 Ω
Transconductance .............................. 4400 µMho
Plate Current ................................. 18 mA

Triode 2 Class A Amplifier
Source ........................................ GE - 1973
Plate Voltage ................................. 150 V
Grid No. 1 Voltage ............................ -1.0 V
Amplification Factor .......................... 100
Plate Resistance (approx) ..................... 53000 Ω
Transconductance .............................. 1900 µMho
Plate Current ................................. 1.0 mA

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Wed, 30 Nov 2022 02:55:10 -0700