TDK Corporation unveils new capacitors for traction applications and medium voltage drives

  • Industry News
  • Nov 08,19
The new capacitors are designed for voltages of between 900 and 3000 v DC and has a capacitance range between 50 and 4000 µF.
TDK Corporation unveils new capacitors for traction applications and medium voltage drives

TDK Corporation, a leading Japanese electronics company based in Tokyo, has unveiled its new B2568 series of EPCOS MKP DC link power capacitors. These capacitors offer outstanding robustness under harsh environmental conditions.

The new capacitors are designed for voltages of between 900 and 3000 v DC and has a capacitance range between 50 and 4000 µF. Based on the type, the capacitors are dimensioned for currents of up to 100 amp. The ESL values range from 35 to 80 nH. Capacitors with ESL values of less than 20 nH are available upon request.

The polyurethane filling enables the windings to have a high mechanical stability within the hermetically sealed can. These capacitors comply with climate class C and pass a THB test (temperature, humidity, bias) at 85 degree C, 85 per cent relative humidity with a rated voltage applied for 1000 hours. Condensation up to a certain level on the capacitors during operation is also permissible. In addition, the new power capacitors meet all requirements concerning fire protection in rail vehicles according to EN 45545.

As these capacitors are robust for high rated voltages, they are suitable for IGBT-based converters in traction applications, as well as medium-voltage drives.

Their main applications are those of IGBT-based converters in traction applications and medium-voltage drives. They are known for their features like voltage range from 900 to 3000 v DC, capacitances from 50 to 4000 µF, hermetically sealed design and fire protection according to EN 45545.

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