NJ7P SQL Tube Database Query

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6188
High-Mu Twin Triode

EIA Base & Outline

EIA Base: 8BDEIA Bulb: 9-11
Source ........................................ GE - 1973

Mechanical Data

EIA Outline ................................... 9-11
EIA Base ...................................... 8BD

Electrical Data

Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.3 A

Maximum Ratings (Design Center Values)

Each Section
Plate Voltage ................................. 275 V
Plate Dissipation ............................. 1.1 W

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 250 V
Grid No. 1 Voltage ............................ -2.0 V
Amplification Factor .......................... 70
Plate Resistance (approx) ..................... 44K Ω
Transconductance .............................. 1600 µMho
Plate Current ................................. 2.3 mA

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Sat, 25 Mar 2023 03:43:57 -0700