NJ7P SQL Tube Database Query

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6582
Sharp-Cutoff Pentode

EIA Base & Outline

Mechanical Data

EIA Outline ................................... 6-2
EIA Base ...................................... 9EJ

Electrical Data

Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.25 A

Direct Interelectrode Capacitances (approx)

Pentode
Input ......................................... 5.0 pf
Output ........................................ 3.4 pf
Grid to Plate ................................. 0.03 pf

Maximum Ratings (Design Center Values)

Pentode
Plate Voltage ................................. 200 V
Grid No. 2 Voltage ............................ 155 V
Plate Dissipation ............................. 2.0 W
Grid No. 2 Dissipation ........................ 0.85 W

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 120 V
Grid No. 2 Voltage ............................ 120 V
Grid No. 1 Voltage ............................ -2.0 V
Plate Resistance (approx) ..................... 500K Ω
Transconductance .............................. 4500 µ
Plate Current ................................. 7.5 mA
Grid No. 2 Current ............................ 2.5 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

Mon, 27 Jun 2022 07:35:14 -0700