See all Coilcraft products. Sort, filter, and compare to find the ideal part for your application.

Coilcraft power inductors are offered in various structure types, sizes and inductance values for a wide range of power converter applications.

Wirewound RF inductors, including ceramic- and ferrite-core chip inductors, air core inductors, conical inductors, broadband bias chokes, and RFID coils.

Transformers

Broad range of transformers for power conversion, capacitor charging, gate drive, PoE, current sensing, ultrasonic sensing, and data-line isolation applications.

EMI/Chokes

Coilcraft EMI common mode chokes and wirewound ferrite beads minimize EMI and are perfect noise suppression solutions for filtering circuits.

Design Tools

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Power Inductor Finder and Analyzer

Identify the best power inductors for your specified parameters and review AC and DC losses, temperature rise, L vs. current, self-heating curves and more. Or if you already know your part number(s), skip the search and move directly to the performance analysis.

Finds Lnom for the quickest look at all choices with your desired inductance value
Finds L @ I for choices with your desired L and Isat combination
Select part number(s) to quickly analyze and compare one or more part numbers of choice

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RF Inductor/Choke Finder and Analyzer

This powerful tool identifies the best RF inductors and chokes for your defined parameters. Search for L @ Frequency or Z @ Frequency for specific application conditions. Or skip the search function and proceed directly to performance analysis for known part number(s).

Finds off-the-shelf inductors for your RF inductor and choke requirements
Finds L @ Frequency for choices with your desired L and frequency combination
Finds Z @ Frequency for choices with your desired Z and frequency combination
Quickly analyzes and compares one or more part numbers of your choice
Displays performance curves vs. frequency including L vs. F, Q vs. F, Z vs. F, ESR vs. F

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DC-DC Optimizer

This complete converter application tool finds the most efficient inductor solutions and analyzes their performance to optimize your Buck, Boost and Buck-boost converters.

Uses measured inductor data for off-the-shelf inductors. Not just theory.
Finds optimal solutions for all inductance values. Not limited to pre-chosen inductance & ripple current
Visualizes I_L waveform, inductor total loss (AC&DC), L vs. I, ΔT vs. current, and more

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Common Mode Choke Finder and Analyzer

Find the best off-the-shelf common mode chokes for your required impedance, attenuation, or inductance. Or skip the search function and proceed directly to performance analysis for specific off-the-shelf part number(s)

Finds off-the-shelf common mode chokes for your emi/rfi filter parameters
Choice of searches by impedance, attenuation, or inductance
Quickly analyzes and compares one or more part numbers of your choice
Displays common and differential mode impedances, and attenuation vs. frequency

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Coupled Inductor Finder and Analyzer

Identify the best coupled inductors for your specified parameters. Display AC and DC losses, temperature rise, L vs current, self-heating curves and more. Or skip the search function and jump right into performance analysis for part number(s) you already know.

Identifies off-the-shelf coupled inductors that meet your specific requirements.
Database of multi-winding inductors for use as transformers or coupled inductors in SEPIC, ZETA, and other applications.
Includes total loss (AC &DC) and more.

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Browse, Explore, Learn

Coilcraft inductors are used in many different applications - learn more about the important role our parts play to help optimize an electrical circuit.

Checkout our new eBooks on Transformers, Power Inductors and RF Inductors!

Events are back! Stop by one of our upcoming events.

XGL Family power inductors feature the industry's lowest DC resistance and extremely low AC losses for a wide range of DC-DC converters.

Join the Coilcraft Team

We are known for our quality products and exemplary customer service and it all starts with our employees. We are proud of the role we play as technology leaders and the difference we make everyday by putting our customers first. Learn more about open opportunities with Coilcraft and our:

Competitive salaries
Benefits - health and life insurance
Tuition assistance
401(k) with company match and profit sharing

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Critical Products & Services

We are a division of Coilcraft, Inc., a world leader in the design and manufacture of magnetic components for a wide range of applications, including signal generation and processing, RF, power, impedance matching, timing and much more.

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RF Chip Inductors

Coilcraft CPS RF Chip Inductors deliver high performance in the smallest possible size. They are designed for applications that require the highest standards for stability and consistency.

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Power Inductors

Coilcraft CPS High-Reliability Power Inductors span a very wide range of low-power applications. Each is designed to perform under harsh conditions for critical product applications.

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Cross Reference

Need samples for electrical testing? Coilcraft offers free samples of our commercial grade products - see the cross reference from critical grade to commercial.

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Power Inductor Finder and Analyzer

RF Inductor/Choke Finder and Analyzer

DC-DC Optimizer

Common Mode Choke Finder and Analyzer

Coupled Inductor Finder and Analyzer

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