The WE-MAPI is one of the world’s smallest metal alloy power inductors. It’s efficiency is outstanding and now available in new sizes and extended temperature versions with AEC-Q200 Grade 0 qualification for -55° to +150 °C operation temperature in the 4020HT series.

Available from stock. Samples free of charge.

WE-MAPI - The Most Efficient Power Inductor

Product Benefits

  • High current ratings up to 10 A
  • Low AC losses
  • Low DCR down to 6.5 mΩ
  • Excellent temperature stability from -55° to +150 °C
  • Innovative design
  • Excellent EMI radiation

The innovative design in detail

leadframe free design for best coplanarity

no solder or welding joints for highest reliability

greatest core utilization for highest current handling

reduced parasitic capacitances for lowest AC losses

self-shielding construction for best EMI performance

protective coating for perfect robustness

Lowest AC & DC losses in class | excellent temperature stability

Buck: 24 V to 12 V @ 2 A, 500 kHz, 2.2 µH

AC & DC Loss @ 500 kHz

Reduce your AC & DC losses by up to 30% compared to similar sized parts.
Try our online component simulation software REDEXPERT and determine your real-time
AC & DC losses in your application. Click here for an example.

The incredible features

The WE-MAPI is designed to meet with the requirements of the latest and of the upcoming ICs. The innovative leadframe pad design with direct wire connection increases significantly the core utilization and therewith the current handling.

The WE-MAPI series incorporates:

  • highest current ratings
  • lowest AC losses in class
  • incredibly low DCR
  • excellent temperature stability
  • innovative design
  • lowest EMI radiation


The WE-MAPI is ideal for use in modern equipment due to its small size. They fit perfectly in multiphase DC/DC converters and all other small-sized, high-efficient power supplies.

Multiphase Power Supply for ARM® Cortex®
A9 / A15 processor

Example for handheld devices

Further applications:

  • Processors
  • FPGAs
  • Microcontroller

Useful links: