NJ7P SQL Tube Database Query

A horizontal ribbon.

Note: Please do not link down into my pages. I change this directory structure often and your links will not work correctly.

A horizontal ribbon.

HF300
Power Triode

EIA Base & Outline

EIA Base: 2N

Mechanical Data

EIA Base ...................................... 2N

Electrical Data

Heater Voltage ................................ 11-12 V
Heater Current ................................ 4.0 A

Direct Interelectrode Capacitances (approx)

Triode
Input ......................................... 6.0 pf
Output ........................................ 1.4 pf
Grid to Plate ................................. 6.5 pf

Maximum Ratings (Design Center Values)

Triode
Plate Voltage ................................. 3000 V
Plate Dissipation ............................. 200 W

For other characteristics and typical operation, see 4C34

A horizontal ribbon.

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.

Please enter the tube number:

This database contains data on thousands of tubes. Every effort has been made to insure the accuracy of this reference, however, I assume no liability for the results of using information contained herein.

Other Tube Search Engines:
Frank's Electron Tube Pages

Complete Tube Manuals:
Tube Manual Index from NJ7P

A horizontal ribbon.

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

Mon, 27 Jun 2022 10:03:53 -0700