NJ7P SQL Tube Database Query

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1K3
Half-Wave Rectifier

EIA Base & Outline

Substitute Data

Preferred Substitutes ......................... 1AU3 1J3 1N2
Substitutes ................................... 1B3 1G3
Source ........................................ RCA RC-20 - 1960

Mechanical Data

Source ........................................ RCA RC-20 - 1960
Bulb .......................................... T-9
Base Type ..................................... Int or Short Int Shell Octal 6-Pin
EIA Outline ................................... 9-53 9-54
Maximum Overall Height ........................ 4-1/16 In.
Maximum Seated Height ......................... 3-5/16 In.
EIA Base ...................................... 3C
Top Cap ....................................... C1-34
Cathode ....................................... Coated Filament
Mounting Position ............................. Any

Electrical Data

Source ........................................ RCA RC-20 - 1960
Heater Voltage ................................ 1.25 V
Heater Current ................................ 0.2 A

Maximum Ratings (Design Center Values)

Diode
Source ........................................ RCA RC-20 - 1960
Peak Inverse Plate Voltage .................... 26000 V

Characteristics and Typical Operation

HV TV Rectifier
Source ........................................ RCA RC-20 - 1960
Output Current ................................ 0.5 mA

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, 21 Mar 2023 03:28:30 -0700