Vishay recently introduced a new IHDM automotive grade edge-wound, through-hole inductor with rated current up to 150 A for under-the-hood applications. Featuring powdered iron alloy core technology, the IHDM-1008BC-3A provides stable inductance and saturation over a demanding operating temperature range from -40°C to +180°C with low power losses and excellent heat dissipation.
The edge-wound coil of the device provides low DCR down to 0,25 mΩ, which minimises losses and improves rated current performance for increased efficiency. Compared to competing ferrite-based solutions, the IHDM-1008BC-3A offers 30% higher rated current and 30% higher saturation current levels at +125°C and above. The inductor’s soft saturation provides a predictable inductance decrease with increasing current, with stable inductance across the operating temperature range.
With an operating voltage up to 350 V, the device is ideal for high-current, high-temperature power applications, including DC-DC converters, inverters and filters for motor and switching noise suppression in hybrid, full-electric and hydrogen fuel cell vehicles.
The IHDM-1008BC-3A’s standard through-hole mounting terminals are stripped and hot-dip tinned to reduce the risk of tin whisker growth, but Vishay can customise the device’s mounting method and performance, upon request. Options include bare copper, surface-mount, and press-fit.
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