NJ7P SQL Tube Database Query

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10
Power Amplifier or Oscillator

EIA Base & Outline

Application

Source ........................................ RCA R-10 - 1932
The type '10 is a three-electrode high-vacuum tube suitable for power amplifier use. As an audio-frequency amplifier, it is capable of delivering large undistorted output to the loudspeaker.

Mechanical Data

Source ........................................ RCA R-10 - 1932
Bulb .......................................... S-17
Base Type ..................................... Medium 4-Pin Bayonet
EIA Outline ................................... 17-0
Maximum Overall Height ........................ 5-5/8 In.
Maximum Diameter .............................. 2-3/16 In.
EIA Base ...................................... 4D
Mounting Position ............................. Vertical Base Down

Electrical Data

Source ........................................ RCA R-10 - 1932
Filament Voltage .............................. 7.5 V
Filament Current .............................. 1.25 A

Direct Interelectrode Capacitances (approx)

Triode
Source ........................................ RCA R-10 - 1932
Input ......................................... 3 pf
Output ........................................ 4 pf
Grid to Plate ................................. 7 pf

Maximum Ratings (Design Center Values)

Triode
Source ........................................ RCA R-10 - 1932
Plate Voltage ................................. 425 V

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA R-10 - 1932
Plate Voltage ................................. 250 V
Grid No. 1 Voltage ............................ -23.5 V
Amplification Factor .......................... 8
Plate Resistance (approx) ..................... 6000 Ω
Transconductance .............................. 1330 µ
Plate Current ................................. 10 mA
Load Resistance ............................... 13K Ω
Power Output (approx) ......................... 0.4 W

Class A Amplifier
Source ........................................ RCA R-10 - 1932
Plate Voltage ................................. 350 V
Grid No. 1 Voltage ............................ -31 V
Amplification Factor .......................... 8
Plate Resistance (approx) ..................... 5150 Ω
Transconductance .............................. 1550 µ
Plate Current ................................. 16 mA
Load Resistance ............................... 11K Ω
Power Output (approx) ......................... 0.9 W

Class A Amplifier
Source ........................................ RCA R-10 - 1932
Plate Voltage ................................. 425 V
Grid No. 1 Voltage ............................ -39 V
Amplification Factor .......................... 8
Plate Resistance (approx) ..................... 5000 Ω
Transconductance .............................. 1600 µ
Plate Current ................................. 18 mA
Load Resistance ............................... 10.2K Ω
Power Output (approx) ......................... 1.6 W

Notes

Source ........................................ RCA RC-16 - 1950
1. Discontinued type.

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

Sun, 26 Jun 2022 04:26:48 -0700