NJ7P SQL Tube Database Query

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3-100A4
Power Triode

EIA Base & Outline

Mechanical Data

EIA Base ...................................... 2D

Electrical Data

Heater Voltage ................................ 5.0 V
Heater Current ................................ 6.3 A

Direct Interelectrode Capacitances (approx)

Triode
Input ......................................... 2.9 pf
Output ........................................ 0.4 pf
Grid to Plate ................................. 2.0 pf

Maximum Ratings (Design Center Values)

Triode
Plate Voltage ................................. 3000 V
Plate Dissipation ............................. 100 W

Characteristics and Typical Operation

Class C Amplifier/Class C Modulated Amplifier (Plate)
Plate Voltage ................................. 3000 V
Grid No. 1 Voltage ............................ -200 V
Grid No. 1 Current ............................ 51 mA
Plate Current ................................. 165 mA
Driving Power ................................. 18 W
Power Output (approx) ......................... 400 W

Push Pull Class B Amplifier
Plate Voltage ................................. 3000 V
Grid No. 1 Voltage ............................ -65 V
Peak Grid No. 1 Voltage........................ 335 V
Plate Current (Zero Signal) ................... 40 mA
Plate Current (Maximum Signal) ................ 215 mA
Driving Power ................................. 5.0 W
Load Resistance ............................... 31K Ω
Power Output (approx) ......................... 650 W

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

Fri, 24 Jun 2022 18:03:40 -0700