NJ7P SQL Tube Database Query

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12Z3
Half-Wave Rectifier

EIA Base & Outline

Application

Source ........................................ RCA RC-11 - 1933
Glass type used in power supply of ac/dc receivers. Requires 4-contact socket and may be mounted in any position.

Mechanical Data

Source ........................................ RCA RC-11 - 1933
Bulb .......................................... ST-12
Base Type ..................................... Small 4-Pin
EIA Outline ................................... 12-5
EIA Base ...................................... 4G
Mounting Position ............................. Any

Electrical Data

Source ........................................ RCA RC-11 - 1933
Heater Voltage ................................ 12.6 V
Heater Current ................................ 0.3 A

Maximum Ratings (Design Center Values)

Source ........................................ RCA RC-11 - 1933
AC Plate Supply Voltage Each Plate ............ 250 V
Steady State DC Output Current Each Plate ..... 60 mA

Characteristics and Typical Operation

Rectifier
Source ........................................ RCA RC-11 - 1933
AC Plate Supply Voltage Each Plate (RMS) ...... 250 V
Input Capacitor ............................... 60 Mfd
Input Inductor ................................ H
Effective Plate Supply Impedance Each Plate ... Ω
DC Half-Load Output Current ................... mA
DC Half-Load Output Voltage ................... V
DC Output Current ............................. mA
DC Output Voltage ............................. V
Voltage Regulation (Half-Load to Full-Load) ... V

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, 28 Mar 2023 23:53:41 -0700