WE-HCI – SMD Flat Wire High-Current Inductor

By Würth Elektronik 57

WE-HCI – SMD Flat Wire High-Current Inductor

Würth Elektronik's WE-HCI series is known within the electronics market to be a top of the line, high-current inductor family. Due to increased demand for smaller packages in even higher currents, Würth Elektroniks offers numerous sizes ranging from 5.5 mm x 5.3 mm x 4 mm up to 22.5 mm x 22.0 mm x 12.0 mm, thus allowing customers to find the optimum size for their circuit designs. The high-current flat wire inductors offer some of the industry's lowest DCRs for maximum performance in DC/DC converters. The family contains a broad range of inductance values from 0.22 µH up to 82 µH with currents up to 41.5 A. For reference, at 10 µH the inductor has 21 A rated current and 26 A before it starts to saturate. This means that even driving the part at its max temperature, it still delivers the full inductance and only has a DCR of 3.4 mΩ.

Features and Benefits
  • Magnetically shielded
  • Flat wire coil for low losses at high frequency
  • Low stray field
  • Operating temperature: -40°C to +125°C / +150°C / +155°C
  • Recommended solder profile: reflow
  • AECQ 200 qualified
Applications
  • Graphics cards
  • Laptops
  • Industrial computers
  • Motherboards
  • High-current switching regulators
  • DC/DC converters
  • Polyphase-switching regulators
  • Filters

Application Notes

  • ANP032 High Power Wireless Power Transfer for the Industrial Environment
  • ANP039 Power Inductors - 8 Design Tips
  • ANP044 Impact of the layout, components, and filters on the EMC of modern DC/DC switching controllers

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FilteringPassivesWürth Elektronik

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