NJ7P SQL Tube Database Query

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6BZ7
Medium-Mu Twin Triode

EIA Base & Outline

EIA Base: 9AJEIA Bulb: 6-2
Source ........................................ TungSol

Application

Source ........................................ TungSol
Miniature type used as a cascode amplifier in vhf color and black-and-white television tuners and in push-pull cathode-drive rf amplifiers. Requires miniature 9-contact socket.

Mechanical Data

Source ........................................ TungSol
Bulb .......................................... T-6 1/2
Base Type ..................................... Small Button 9-Pin
EIA Outline ................................... 6-2
EIA Base ...................................... 9AJ
Mounting Position ............................. Any

Electrical Data

Source ........................................ TungSol
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.4 A

Direct Interelectrode Capacitances (approx)

Triode
Source ........................................ TungSol
Input ......................................... 2.6 pf
Output ........................................ 1.2 pf
Grid to Plate ................................. 1.2 pf

Maximum Ratings (Design Center Values)

Triode
Source ........................................ TungSol
Plate Voltage ................................. 250 V
Plate Dissipation ............................. 2 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ TungSol
Plate Voltage ................................. 150 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 220 Ω
Amplification Factor .......................... 36
Plate Resistance (approx) ..................... 5.3K Ω
Transconductance .............................. 6800 µMho
Plate Current ................................. 10 mA

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Fri, 12 Aug 2022 06:04:33 -0700