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.

6R7
Twin Diode - Medium-Mu Triode

EIA Base & Outline

EIA Base: 7VEIA Bulb: 8-4

Substitute Data

Substitutes ................................... 6B6 6Q7 6T7
Source ........................................ RCA RC-13 - 1937

Application

Source ........................................ RCA RC-13 - 1937
Metal type used as a combined detector, amplifier, and avc tube in radio receivers. Requires octal socket.

Mechanical Data

Source ........................................ RCA RC-13 - 1937
Bulb .......................................... MT-8
Base Type ..................................... Small Wafer Octal 7-Pin
EIA Outline ................................... 8-4
EIA Base ...................................... 7V
Top Cap ....................................... Miniature
Mounting Position ............................. Any

Electrical Data

Source ........................................ RCA RC-13 - 1937
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.3 A
Maximum Heater-Cathode Voltage
Heater Positive with Respect to Cathode
DC Component ............................ 90 V
Heater Negative with Respect to Cathode
DC Component ............................ 90 V

Direct Interelectrode Capacitances (approx)

Triode
Source ........................................ RCA RC-13 - 1937
Input ......................................... 5.5 pf
Output ........................................ 4.0 pf
Grid to Plate ................................. 2.5 pf

Maximum Ratings (Design Center Values)

Triode
Source ........................................ RCA RC-13 - 1937
Plate Voltage ................................. 250 V
Plate Dissipation ............................. 2.5 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA RC-13 - 1937
Plate Voltage ................................. 250 V
Grid No. 1 Voltage ............................ -9 V
Amplification Factor .......................... 16
Plate Resistance (approx) ..................... 8.5K Ω
Transconductance .............................. 1900 µMho
Plate Current ................................. 9.5 mA
Load Resistance ............................... 10K Ω
Power Output (approx) ......................... 0.28 W
Total Harmonic Distortion ..................... 6.5 %

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

Sat, 25 Jun 2022 15:55:17 -0700