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.

40
Medium-Mu Triode

EIA Base & Outline

EIA Base: 4DEIA Bulb: 14-1
Source ........................................ RCA RC-13 - 1937

Application

Source ........................................ RCA RC-13 - 1937
Glass type used as resistance-coupled or impedance-coupled amplifier in battery-operated receivers.

Mechanical Data

Source ........................................ RCA RC-13 - 1937
Bulb .......................................... ST-14
Base Type ..................................... Medium 4-Pin Bayonet
EIA Outline ................................... 14-1
EIA Base ...................................... 4D

Electrical Data

Source ........................................ RCA RC-13 - 1937
Filament Voltage .............................. 5 DC V
Filament Current .............................. 0.25 A

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA RC-13 - 1937
Plate Voltage ................................. 135 V
Grid No. 1 Voltage ............................ -1.5 V
Amplification Factor .......................... 30
Plate Resistance (approx) ..................... 150K Ω
Transconductance .............................. 200 µMho
Plate Current ................................. 0.2 mA

Class A Amplifier
Source ........................................ RCA RC-13 - 1937
Plate Voltage ................................. 180 V
Grid No. 1 Voltage ............................ -3 V
Amplification Factor .......................... 30
Plate Resistance (approx) ..................... 150K Ω
Transconductance .............................. 200 µMho
Plate Current ................................. 0.2 mA

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, 11 Aug 2022 13:48:38 -0700