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.

9002
Medium Mu UHF Triode

EIA Base & Outline

EIA Base: 7BS
Source ........................................ ARRL HB - 1964

Mechanical Data

Source ........................................ ARRL HB - 1964
Bulb .......................................... T-5 1/2
EIA Outline ................................... 5-1
EIA Base ...................................... 7BS

Electrical Data

Source ........................................ ARRL HB - 1964
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.15 A

Direct Interelectrode Capacitances (approx)

Triode
Source ........................................ ARRL HB - 1964
Input ......................................... 1.2 pf
Output ........................................ 1.1 pf
Grid to Plate ................................. 1.4 pf

Maximum Ratings (Design Center Values)

Triode
Source ........................................ ARRL HB - 1964
Plate Voltage ................................. 250 V
Plate Dissipation ............................. 1.6 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ ARRL HB - 1964
Plate Voltage ................................. 250 V
Grid No. 1 Voltage ............................ -7 V
Plate Resistance (approx) ..................... 11.4K Ω
Transconductance .............................. 2200 µMho
Plate Current ................................. 6.3 mA

Class C Oscillator/Amplifier
Source ........................................ ARRL HB - 1964
Plate Voltage ................................. 180 V
Grid No. 1 Voltage ............................ -35 V
Grid No. 1 Current ............................ 1.5 mA
Plate Current ................................. 7 mA
Power Output (approx) ......................... 0.5 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

Fri, 09 Dec 2022 06:04:35 -0700