NJ7P SQL Tube Database Query

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6386
Medium-Mu Twin Triode

EIA Base & Outline

Mechanical Data

EIA Outline ................................... 6-1
EIA Base ...................................... 8CJ

Electrical Data

Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.35 A

Direct Interelectrode Capacitances (approx)

Each Triode
Input ......................................... 2 pf
Output ........................................ 1.1 pf
Grid to Plate ................................. 1.2 pf

Maximum Ratings (Design Center Values)

Each Triode
Plate Voltage ................................. 300 V
Plate Dissipation ............................. 1.5 W

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 100 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 200 Ω
Amplification Factor .......................... 17
Plate Resistance (approx) ..................... 4.25K Ω
Transconductance .............................. 4000 µ
Plate Current ................................. 9.6 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 20:02:40 -0700