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.

5972
Remote-Cutoff Pentode

EIA Base & Outline

EIA Base: 1AD4EIA Bulb: 2-1
Source ........................................ GE - 1973

Application

Subminiature type used as rf or if amplifier and oscillator in subminiature equipment. Requires either a subminiature socket or direct soldering of the wires from the tube to circuit components.

Mechanical Data

EIA Outline ................................... 2-1
EIA Base ...................................... 1AD4

Electrical Data

Heater Voltage ................................ 1.25 V
Heater Current ................................ 0.06 A

Direct Interelectrode Capacitances (approx)

Pentode
Input ......................................... 4.3 pf
Output ........................................ 4.1 pf
Grid to Plate ................................. 0.01 pf

Maximum Ratings (Design Center Values)

Pentode
Plate Voltage ................................. 75 V
Grid No. 2 Voltage ............................ 75 V

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 67.5 V
Grid No. 2 Voltage ............................ 67.5 V
Grid No. 1 Voltage ............................ -0 V
Plate Resistance (approx) ..................... 1M Ω
Transconductance .............................. 1300 µMho
Plate Current ................................. 2.5 mA
Grid No. 2 Current ............................ 0.8 mA

Class A Amplifier
Plate Voltage ................................. 45 V
Grid No. 2 Voltage ............................ 45 V
Grid No. 1 Voltage ............................ -0 V
Plate Resistance (approx) ..................... 800K Ω
Transconductance .............................. 1100 µMho
Plate Current ................................. 1.5 mA
Grid No. 2 Current ............................ 0.4 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

Tue, 29 Nov 2022 17:22:24 -0700