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Headquartered outside of Chicago in Cary, Illinois, Coilcraft is a leading global supplier of magnetic components including high performance RF chip inductors, power magnetics and EMI filters. In addition to a large selection of standard components, we also design and manufacture custom magnetics to meet your exact electrical requirements.

Engineers and buyers consider Coilcraft a preferred supplier because of our reputation for quality, reliable delivery, engineering support and the superior performance of our products. In independent surveys, engineers consistently rank Coilcraft the number one magnetics company they would recommend to a friend.

Product Line

Wirewound chip inductors as small as 0201 size
Low-profile, high-current SMD power inductors
EMI/RFI filters
Wideband RF transformers
Planar transformers and inductors
RFID transponder coils
Power over Ethernet transformers
High-reliability magnetics and testing services via Coilcraft Critical Products & Services
Engineering Support

The most comprehensive website in the magnetics industry
A rich library of online design tools to simplify product selection and performance analysis
Liberal free sample policy with same-day shipping
Designer’s Kits containing samples of all component values in a product family
S-parameters and SPICE models for most surface mount product families
Student Support

Free product samples for student design projects and complete RF and Power Magnetics Kits for ECE instructional labs
Lab posters and selection guides
Broad range of technical resources and easy-to-use design tools

Featured Products

XEL 40xx Series Ultra-low Loss Power Inductors

CST2020 Series Current Sense Transformers

XAR7030 Series Raised Power Inductors