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.

45S
Power Triode

EIA Base & Outline

EIA Base: 4DEIA Bulb: 14-1

Mechanical Data

Bulb .......................................... ST-14
EIA Outline ................................... 14-1
EIA Base ...................................... 4D

Electrical Data

Heater Voltage ................................ 6.3 V
Heater Current ................................ 1.18 A

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 275 V
Grid No. 1 Voltage ............................ -56 V
Amplification Factor .......................... 3.5
Plate Resistance (approx) ..................... 1700 Ω
Transconductance .............................. 2050 µMho
Plate Current ................................. 36 mA
Load Resistance ............................... 4600 Ω
Power Output (approx) ......................... 2 W

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

Tue, 28 Jun 2022 03:03:22 -0700