NJ7P SQL Tube Database Query

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2BN4
Medium-Mu Triode

EIA Base & Outline

EIA Base: 7EGEIA Bulb: 5-2

Mechanical Data

Bulb .......................................... T-5 1/2
Base Type ..................................... Miniature Button 7-Pin
EIA Outline ................................... 5-2
EIA Base ...................................... 7EG
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Heater Voltage ................................ 2.35 V
Heater Current ................................ 0.6 A

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 150 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 220 Ω
Amplification Factor .......................... 43
Plate Resistance (approx) ..................... 6300 Ω
Transconductance .............................. 6800 µMho
Plate Current ................................. 9 mA

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Mon, 04 Jul 2022 17:04:24 -0700