IHLE Series High Current Inductors with E-Field Shield

Vishay
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Vishay expanded its IHLE series of low-profile, high-current inductors featuring integrated e-shields for reduction of EMI with new Automotive Grade devices in the 2525, 3232, and 4040 case sizes. Lower costs and save board space by eliminating the need for separate board-level Faraday shielding. The devices contain the electric field associated with EMI in a tin-plated copper integrated shield, providing up to -20dB of electric field reduction at 1cm (above the center of the inductor) when the integrated shield is connected to ground.

Featuring high-temperature operation to +155°C and coplanarity of their four terminals within ≤100µm, the AEC-Q200-qualified inductors released today are optimized for energy storage in DC/DC converters and high-current filtering for automotive engine and transmission control units, diesel injection drivers, noise suppression for motors, windshield wipers, power mirrors and seats, entertainment / navigation systems, and HID lighting. In addition, the devices’ 4-terminal connection (two ground connection points for the shield) provides high-vibration performance for on-engine and chassis-mounted electronic circuits.

Built on Vishay Dale IHLP® technology, the devices feature high efficiency with typical DCR from 1.55mΩ to 167mΩ and a wide range of inductance values from 0.22µH to 47µH. The devices provide rated currents to 36.0A and handle high transient current spikes without saturation. Packaged in an RoHS-compliant, 100% lead (Pb)-free shielded construction, the inductors offer high resistance to thermal shock, moisture, and mechanical shock.

Features

  • Integrates e-field shield into an IHLP® inductor package
  • Reduces e-field up to 20dB at 1cm
  • High efficiency with typical DCR from 1.55mΩ to 167mΩ
  • Wide range of inductance values from 0.22µH to 47µH
  • Available in three case sizes: 2525, 3232, and 4040
  • Rated currents to 36A and handle high transient current spikes without saturation
  • Available in any standard IHLP inductance value
  • Automotive Grade and AEC-Q200 qualified

Applications