NJ7P SQL Tube Database Query

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6X9
Medium-Mu Triode - Pentode

EIA Base & Outline

EIA Base: 10KEIA Bulb: 6-2

Substitute Data

Substitutes ................................... 6U9
Source ........................................ GE - 1973

Application

Source ........................................ GE - 1973
Miniature type used as IF amplifier tube in TV receivers. Miniature base except has 10 pins. Requires miniature 10-pin socket

Mechanical Data

Source ........................................ GE - 1973
Bulb .......................................... T-6 1/2
EIA Outline ................................... 6-2
EIA Base ...................................... 10K

Electrical Data

Source ........................................ GE - 1973
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.41 A

Maximum Ratings (Design Center Values)

Pentode
Source ........................................ GE - 1973
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 250 V
Plate Dissipation ............................. 2.1 W
Grid No. 2 Dissipation ........................ 0.7 W

Triode
Source ........................................ GE - 1973
Plate Voltage ................................. 250 V
Plate Dissipation ............................. 1.5 W

Characteristics and Typical Operation

Triode Class A Amplifier
Source ........................................ GE - 1973
Plate Voltage ................................. 170 V
Grid No. 1 Voltage ............................ -1 V
Amplification Factor .......................... 55
Transconductance .............................. 4800 µMho
Plate Current ................................. 8.5 mA

Pentode Class A Amplifier
Source ........................................ GE - 1973
Plate Voltage ................................. 160 V
Grid No. 2 Voltage ............................ 135 V
Grid No. 1 Voltage ............................ -1.7 V
Transconductance .............................. 14000 µMho
Plate Current ................................. 13 mA
Grid No. 2 Current ............................ 5.0 mA

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Wed, 08 Feb 2023 22:18:31 -0700