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INDUCTORS: TDK EXPANDS ITS RANGE OF COUPLED INDUCTORS

TDK Corporation (TSE:6762) has extended its range of coupled inductors to include the new EPCOS series B82472D6*. The nine series types cover an inductance range of 2 x 2.2 µH to 2 x 47 µH and are designed for maximum rated currents of 1.1 A to 4.3 A.

INDUCTORS: TDK EXPANDS ITS RANGE OF COUPLED INDUCTORS

The RoHS-compliant chokes are certified in line with AEC-Q200 and feature high saturation currents of up to 7.95 A. The magnetically shielded inductors have dimensions of just 7.3 x 7.3 x 4.8 mm and are designed for a wide temperature range of between -55 °C and +150 °C. Depending on the type, the chokes offer very high coupling factors of the two windings from 97 to 99 percent.

These compact, robust components proof to be useful in a wide range of applications: They are ideal in various galvanically non-insulated DC/DC converter topologies such as SEPIC, Cuk and Zeta and can also be used as transformers in flyback and multi-output buck topologies. In the latter, coupled inductors provide a second output voltage. Furthermore, they can be utilized as common-mode chokes in power supply lines. The insulation voltage between the two windings is >500 V.

Main applications
  • DC/DC converters such as SEPIC, Cuk or Zeta
  • Flyback converters
  • Multi-output buck converters
  • Common-mode chokes in power supply lines
Main features and benefits
  • High saturation currents of up to 7.95 A
  • Small dimensions of just 7.3 x 7.3 x 4.8 mm
  • Wide temperature range from -55 °C to +150 °C
  • High coupling factor of up to 99 percent

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