NJ7P SQL Tube Database Query

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32ET5
Beam Power Pentode

EIA Base & Outline

Substitute Data

Substitutes ................................... 34GD5
Source ........................................ ARRL HB - 1964

Mechanical Data

Bulb .......................................... T-5 1/2
Base Type ..................................... Miniature Button 7-Pin
EIA Outline ................................... 5-3
EIA Base ...................................... 7CV
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Heater Voltage ................................ 32 V
Heater Current ................................ 0.1 A

Direct Interelectrode Capacitances (approx)

Pentode
Input ......................................... 12 pf
Output ........................................ 6 pf
Grid to Plate ................................. 0.6 pf

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 150 V
Grid No. 2 Voltage ............................ 130 V
Grid No. 1 Voltage ............................ -7.5 V
Plate Resistance (approx) ..................... 21.5K Ω
Transconductance .............................. 5500 µ
Load Resistance ............................... 2.8K Ω
Power Output (approx) ......................... 1.2 W

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.

(c) 1994-2021 by William A. Beech, NJ7P

Tue, 04 Oct 2022 15:47:05 -0700