NJ7P SQL Tube Database Query

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5842
High-Mu Triode

EIA Base & Outline

Mechanical Data

EIA Outline ................................... 6-1
EIA Base ...................................... 9V

Electrical Data

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

Direct Interelectrode Capacitances (approx)

Triode
Input ......................................... 9 pf
Output ........................................ 1.8 pf
Grid to Plate ................................. 0.55 pf

Maximum Ratings (Design Center Values)

Triode
Plate Voltage ................................. 180 V
Plate Dissipation ............................. 4.0 W

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 150 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 62 Ω
Amplification Factor .......................... 43
Plate Resistance (approx) ..................... 1.8K Ω
Transconductance .............................. 24K µ
Plate Current ................................. 26 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, 02 Jul 2022 22:52:57 -0700