NJ7P SQL Tube Database Query

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6DR4
High-Mu Triode

EIA Base & Outline

EIA Base: 6BGEIA Bulb: 5-2
Source ........................................ GE - 1973

Mechanical Data

Source ........................................ GE - 1973
Bulb .......................................... T-5 1/2
EIA Outline ................................... 5-2
EIA Base ...................................... 6BG

Electrical Data

Source ........................................ GE - 1973
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.15 A

Direct Interelectrode Capacitances (approx)

Triode
Source ........................................ GE - 1973
Input ......................................... 1.6 pf
Output ........................................ 0.46 pf
Grid to Plate ................................. 1.7 pf

Maximum Ratings (Design Center Values)

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

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ GE - 1973
Plate Voltage ................................. 250 V
Grid No. 1 Voltage ............................ -2.0 V
Amplification Factor .......................... 100
Plate Resistance (approx) ..................... 62500 Ω
Transconductance .............................. 1600 µMho
Plate Current ................................. 1.2 mA

Class A Amplifier
Source ........................................ GE - 1973
Plate Voltage ................................. 100 V
Grid No. 1 Voltage ............................ -1.0 V
Amplification Factor .......................... 100
Plate Resistance (approx) ..................... 80000 Ω
Transconductance .............................. 1250 µMho
Plate Current ................................. 0.5 mA

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Thu, 18 Aug 2022 16:44:44 -0700