Miniature Power Inductors To Save Space And Energy

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AEC-Q200 certified and RoHS compliant inductors are ready for cutting-edge automotive applications

TT Electronics, a global provider of engineered electronics for performance critical applications, has introduced the HA74 series of surface-mount power inductors, which combine a low profile, small footprint, and 3MHz switching capability for efficient, space-saving DC/DC converters.

The HA74 series is ideal for automotive use cases including the latest generation of high-density converters and pi filters for ADAS (Advanced Driver Assistance System) controllers. The shielded inductors ensure low EMI and are highly resistant to corrosion.

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The maximum height of just 2.05mm allows designers to create ultra-slimline modules for applications where height is a critical parameter. Leveraging the compact 5.5mm x 5.5mm footprint, the HA74 series enables high power density and energy efficiency.

With 3MHz switching capability, allowing use in high-frequency converter designs, these compact inductors are the ideal companion to the small high-frequency filter capacitors and help minimise module size and weight. TT’s advanced low-loss metal-alloy core composition ensures high efficiency and low heating at elevated frequencies.

Key Features

  • Operating Temperature Range: –50°C to +155°C
  • Temperature Rise: Maximum 40°C
  • Current ratings: up to 2.9A
  • DC resistance: 74mΩ

Availability

The complete HA74 family comprises 10 parts covering standard inductance values from 4.7µH to 33µH and current ratings from 1.2A to 2.9A. Semi-custom inductors conforming to individual customer specifications are also available, to special order.

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