High temperature inductor operates at +155 °C

6th December 2021
Mick Elliott

A new AEC-Q200 qualified IHSR high temperature inductor in the 7.4mm by 6.6mm by 3.0mm 2525 case size has been released by Vishay Intertechnology.

Designed for multi-phase, high current power supplies and filters in automotive under the hood and ADAS applications, the Vishay Dale IHSR-2525CZ-5A offers a 50% reduction in DCR over typical power inductors and excellent temperature stability for inductance and saturation compared to ferrite solutions.

This Automotive Grade inductor is optimised for energy storage in DC/DC converters up to 10 MHz and high current filtering applications up to the SRF of the inductor.

With its high operating temperature up to +155 °C, the device is designed for filtering and DC/DC conversion in engine and transmission control units, ADAS microprocessors, and entertainment / navigation systems, in addition to noise suppression for motors, windshield wipers, power mirrors and seats, and heating and ventilation blowers.

The IHSR-2525CZ-5A's low typical DCR of 0.38 mΩ and inductance of 0.056 µH allow for higher current density than competing technologies, while its 3 mm profile enables slimmer end products.

Packaged in a 100 % lead (Pb)-free shielded, composite construction that reduces buzz noise to ultra-low levels, the inductor offers high resistance to thermal shock, moisture, and mechanical shock, and handles high transient current spikes without saturation.

The device is RoHS-compliant, halogen-free, and Vishay Green.

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