Passives

Aluminium electrolytic capacitors with ripple current

19th February 2021
Alex Lynn

TDK Corporation has presented the new EPCOS aluminium electrolytic capacitor series B43548 with snap-in terminals. The capacitors feature an excellent maximum ripple current capability of 9.80 A (400V, 100Hz, 60°C). This makes them well suited for demanding applications in power electronics.

The capacitors are designed for a maximum operating temperature of 105°C, have a rated voltage range of 400 to 500V and reach under these conditions a useful life time of 3,000h. Depending on the rated voltage, they offer a capacitance range of 68 µF to 820 µF in case sizes of 25x25mm to 35x55mm. A special feature of the series is the high level of resilience against rapid charging and discharging cycles.

With their outstanding ripple current capability, these capacitors are ideal for use in frequency converters, industrial power supplies, UPS systems, medical devices and photovoltaic inverters. Thanks to their robustness in relation to rapid charging and discharging cycles, they also meet the demanding requirements of servo drive applications.

Main fields of application

  • Frequency converters
  • Servo drives
  • Photovoltaic inverters
  • UPS systems
  • Medical devices
  • Industrial power supplies

Main features and benefits

  • Outstanding ripple current capability
  • High CV product and compact measurements
  • High level of robustness in relation to rapid charging and discharging cycles

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