NJ7P SQL Tube Database Query

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6533
High-Mu Triode

EIA Base & Outline

Application

Subminiature type used as a general purpose amplifier in subminiature equipment. Requires either a subminiature socket or direct soldering of the wires from the tube to circuit components.

Mechanical Data

EIA Outline ................................... 3-1
EIA Base ...................................... 8FY

Electrical Data

Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.2 A

Direct Interelectrode Capacitances (approx)

Triode
Input ......................................... 1.75 pf
Output ........................................ 0.6 pf
Grid to Plate ................................. 1.6 pf

Maximum Ratings (Design Center Values)

Triode
Plate Voltage ................................. 150 V
Plate Dissipation ............................. 0.35 W

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 120 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 1500 Ω
Amplification Factor .......................... 54
Plate Resistance (approx) ..................... 31K Ω
Transconductance .............................. 1750 µ
Plate Current ................................. 0.9 mA

If you are uncertain about the EIA designator for a particular tube please use the "Index" button to list all the tubes in the database. You can click on the designator for the closest tube.

(c) 1994-2021 by William A. Beech, NJ7P

Sat, 25 Jun 2022 15:48:54 -0700