TDK Electronics · TDK Europe

Power Capacitors for AC filtering

With the increasing importance of power quality, TDK is focusing on AC filtering solutions. They are available with different terminal configurations and electrical parameters. Thanks to their simple design (round winding in an aluminum can), these widely used components offer high reliability at the same time. TDK portfolio features two basic AC filter capacitor designs: single-phase and three-phase capacitors. When AC capacitors are used as filters, they suppress harmonic distortions and reactive power problems, thus improving power quality and reliability. 


Ranges of operation

Single-phase
B32370
B32371
B32373
B32374
Three-phase (delta)
B32375
B32376
B32377
Three-phase (star)
B32378
Rated capacitance (µF)
Single-phase
B32370
B32371
B32373
B32374
Three-phase (delta)
B32375
B32376
B32377
Three-phase (star)
B32378
Voltage (VRMS)

Feature comparison

Series B323277*

Single-phase

Series B3237*

Three-phase (delta)

B32378*

Three-phase (star)

Series

B32370*, B32371*, B32373*, B32374*

B3275*, B32376*, B32377*

B32378*

Overpressure disconnector

Terminals

Fast-on, screw (M6 and M10) and clamp 

Fast-on, screw (M6 and M10) and clamp 

Clamp

Mechanical shock

5 g

5 g (20 g for series B32376* upon request)

5 g



Benefits

Hermetically sealed

  • No humidity can enter
  • No resin leakage

Self heating properties

  • Flat copper stripe connections routed to the outside of the windings: better heat dissipation and longer lifetime

Safety mechanism, tear-off fuse

  • With increasing pressure inside of the capacitor, the metal cover will bulge and both terminals disconnect from copper band
  • Improved design against vibration and mechanical shock

Suitable for broad applications

A typical inverter would need AC capacitors for filtering of harmonic distortions and reactive power. Depending of the power electronic topology single-phase or three-phase capacitors can be use in their different variant of terminals (fast-on, screw and clamp terminals) according to the electrical parameters needed. The appropriate film capacitors for input and output filters of inverter systems are AC Filter capacitors.


Renewable Energy

Wind Solar

Traction

E-Mobility

Industrial


Field of application

Field of application

Product presentation


Downloads

 MKD AC Capacitors Pres Pic

Presentation

PDF - 1.4 MB file_download Download
 MKD AC Capacitors PB Pic

Product Brief

PDF - 1.1 MB file_download Download
 Installation manual MKD AC Pic

Installation and maintenance instruction B3237* series

PDF - 242.4 KB file_download Download

Get data sheets

PDF Type Application Style Number of phases Rated capacitance (µF)
file_pdf_box
B32361, B32362 General purpose,  UPS systems,  Wind power,  (Not for new design) MKP AC 1 20 - 600
file_pdf_box
B32370, B32371, B32373, B32374 General purpose,  AC-filtering MKD AC 1 10 - 600
file_pdf_box
B32375, B32376, B32377, B32378 General purpose,  AC-filtering MKD AC 3 5 - 400

In order to download up to 20 files together as zip, please mark them with the check box. To start the download, please click the Download button at the end of the list.


Explore more

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Power capacitors
June 3, 2020

Designed with reliability in mind

In the input/output circuits of power electronics, filtering is required to achieve the necessary power quality and EMC performance. With this in mind, TDK has developed new series of EPCOS AC filter capacitors, which excel thanks to their high reliability and long service life.

Read article keyboard_arrow_right

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