Sunday, 14 January 2018

switch mode power supply - input filtering capacitor design



How to make input filtering capacitance circuit (capacitor bank) if values of one capacitor are not enough to handle with voltage and capacitance? For example, calculated input capacitor value for AC-to-DC converter 1.4 millifarad 640 V.


Schematic of example



Answer



They do exist if you look under Caps, Film


enter image description here


Categories Capacitors

Film Capacitors
Manufacturer EPCOS (TDK)
Series B2562
Packaging ? Bulk ?
Part Status Active 88 Stock Capacitance 1500µF
Tolerance ±10%
Voltage Rating - AC -
Voltage Rating - DC 900V
Dielectric Material Polypropylene (PP), Metallized
Operating Temperature -55°C ~ 75°C

Mounting Type Chassis, Stud Mount
Package / Case Radial, Can
Size / Dimension 4.567" Dia (116.00mm)
Height - Seated (Max) 7.126" (181.00mm)
Termination Threaded, Female
Lead Spacing 1.969" (50.00mm)
Applications DC Link, DC Filtering


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