NJ7P SQL Tube Database Query

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6X4
Full-Wave Rectifier

EIA Base & Outline

Substitute Data

Preferred Substitutes ......................... 6BX4
Substitutes ................................... 6202 6AV4
Source ........................................ Sylvania - 1959

Application

Source ........................................ Sylvania - 1959
Miniature type used in power supply of automobile and ac-operated radio receivers. Requires miniature 7-contact socket and may be mounted in any position.

Source ........................................ Sylvania - 1959
It is especially important that this tube, like other power-handling tubes, should be adequately ventilated.

Mechanical Data

Source ........................................ Sylvania - 1959
Bulb .......................................... T-5 1/2
Base Type ..................................... Miniature Button 7-Pin
EIA Outline ................................... 5-3
EIA Base ...................................... 5BS
Mounting Position ............................. Any

Electrical Data

Source ........................................ Sylvania - 1959
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.36 A
Maximum Heater-Cathode Voltage
Heater Positive with Respect to Cathode
DC Component ............................ 450 V
Heater Negative with Respect to Cathode
DC Component ............................ 450 V

Maximum Ratings (Design Center Values)

Each Diode
Source ........................................ Sylvania - 1959
Peak Inverse Plate Voltage .................... 1250 V
Voltage Drop @ Current ........................ 22 V @ 70 mA

Characteristics and Typical Operation

Rectifier
Source ........................................ Sylvania - 1959
AC Plate Supply Voltage Each Plate (RMS) ...... 325 V
Input Capacitor ............................... 10 Mfd
Effective Plate Supply Impedance Each Plate ... 525 Ω
DC Half-Load Output Current ................... 35 mA
DC Half-Load Output Voltage ................... 365 V
DC Output Current ............................. 70 mA
DC Output Voltage ............................. 310 V
Voltage Regulation (Half-Load to Full-Load) ... 55 V

Rectifier
Source ........................................ Sylvania - 1959
AC Plate Supply Voltage Each Plate (RMS) ...... 450 V
Input Inductor ................................ 10 H
DC Half-Load Output Current ................... 35 mA
DC Half-Load Output Voltage ................... 395 V
DC Output Current ............................. 70 mA
DC Output Voltage ............................. 385 V
Voltage Regulation (Half-Load to Full-Load) ... 10 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, 31 Jan 2023 09:41:31 -0700