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.

3KF8
Twin Pentode

EIA Base & Outline

EIA Base: 9FGEIA Bulb: 6-3

Substitute Data

Preferred Substitutes ......................... 3BU8
Substitutes ................................... 3GS8 3HS8

Electrical Data

Heater Voltage ................................ 3.15 V
Heater Current ................................ 0.6 A

For other characteristics and typical operation, see 6KF8

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

Thu, 18 Aug 2022 11:07:27 -0700