What Coilcraft does

Coilcraft is a privately held, global manufacturer of magnetic components founded in 1945 and headquartered in Cary, Illinois. The company operates through three regional headquarters — North America (Cary, IL), Europe (Cumbernauld, United Kingdom), and Asia (Taipei, Taiwan) — supported by US and UK distribution warehouses, and sells into automotive, telecommunications, industrial, medical, and consumer electronics end markets. Critical Products & Services (CPS) is a wholly owned division that extends the portfolio into high-reliability RF chip inductors and power inductors for military, aerospace, and medical applications.

The product portfolio spans four core categories: power inductors (shielded, unshielded, coupled, high-voltage, and uncoupled dual variants); RF inductors (ceramic core, ferrite core, air core, conical/broadband, RFID, and tunable types); transformers (power, planar, and wideband RF, including LLC, flyback, PoE, gate drive, and current sensing sub-families); and EMI solutions (data line and power line common mode chokes, power-over-coax, and wirewound ferrite beads). Coilcraft complements its catalog with an online design tools suite — DC-DC Optimizer, multiple inductor/choke finders and analyzers, and SPICE/S-parameter models — and has its RF inductor series measured and modeled by Modelithics for EDA tool integration, providing engineering workflow stickiness.

The business model is direct hardware sales of magnetic components through e-commerce, regional sales offices, and distribution. Pricing is quote-based for commercial volumes, with free samples and same-day shipping offered to accelerate engineering evaluation and design-in. Quality and regulatory positioning includes ISO/IATF certifications, RoHS and REACH compliance, AEC-Q200 automotive qualification, MIL-STD-202 solvent resistance, and UL/CSA/IEC safety certifications, enabling participation in regulated, high-reliability end markets.

Name

Coilcraft

Legal name

Coilcraft, Inc.

Website

https://coilcraft.com

Company type

Private

Founded year

1945

Operating status

Operating

Headcount range

251–500 employees

Short description

Coilcraft is a privately held global manufacturer of power and RF inductors, transformers, and EMI devices, serving automotive, telecommunications, industrial, medical, and consumer electronics customers. Founded in 1945, the company is headquartered in Cary, Illinois, with regional operations in Europe and Asia.

Ownership category

akta.pro rank

Product category

Magnetic Components / Passive Electronic Components

NAICS

Electrical Equipment Manufacturing (33531), Power, Distribution, and Specialty Transformer Manufacturing (335311)

SIC

Electronic Coils, Transformers & Other Inductors (3677), Electronic Components & Accessories (3670)

akta.pro primary industry

Inductors & Coils (Power/RF/Chokes) (HDAHANAC)

akta.pro secondary industries

Transformers & Magnetics (Power/Signal) (HDAHANAD), EMI/RFI Suppression Components (Ferrite Beads/Cores/Filters) (HDAHANAE)

Keywords

• Power inductors
• RF inductors
• Magnetic components
• EMI filters
• Power transformers

Headquarters

HQ city

Cary

HQ country

United States

HQ region

North America

Offices5 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. Magnetic Component Sales: Coilcraft generates revenue through the sale of magnetic components including inductors, transformers, and EMI suppression components to industrial, automotive, telecommunications, and consumer electronics manufacturers. Products are sold directly through their website and sales team with standard packaging options including cut tape, reel, and bulk packaging.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels5 records

Core offering

Coilcraft designs and manufactures magnetic components, including power inductors (shielded, unshielded, coupled, high voltage), RF inductors (ceramic core, ferrite core, air core, conical/broadband, RFID, tunable), transformers (power, planar, wideband RF), and EMI suppression components (data line and power line common mode chokes, power over coax, wirewound ferrite beads). It also offers online design tools and a Critical Products & Services (CPS) line for high-reliability military, medical, aerospace, and automotive applications.

Product overview

Coilcraft is a manufacturer of magnetic components including inductors and transformers. The product portfolio includes multiple product lines organized into Power Inductors (Shielded, Unshielded, Coupled, High Voltage, and Uncoupled Dual variants), RF Inductors (Ceramic Core, Ferrite Core, Air Core, Conical/Broadband, RFID, and Tunable RF types), Transformers (Power, Planar, and Wideband RF categories), and EMI Solutions (Data Line Common Mode Chokes, Power Line Common Mode Chokes, Power over Coax, and Wirewound Ferrite Beads). The company also provides a comprehensive Design Tools Suite for parametric search and performance analysis, as well as Critical Products and Services (CPS) for high-reliability applications in automotive (AEC-Q200), medical, military, and aerospace sectors.

Differentiator

Problem solved

Functional benefit

Brands

• Coilcraft CPS (Critical Products & Services): A division of Coilcraft, Inc. offering high-reliability RF Chip Inductors and Power Inductors designed for applications requiring the highest standards for stability and consistency.

Products and services

• Shielded Inductors Power inductors with magnetic shielding to prevent electromagnetic interference, including molded, ferrite drum/sleeve, high current flat wire, high current radial lead/toroid, high SRF power chip, and TLVR inductor variants, for use by electronics designers in power applications.
• Unshielded Inductors Power inductors without magnetic shielding, including ferrite drum surface mount and radial lead through hole variants, for general power applications.
• Coupled Inductors Multi-winding inductors for use as transformers in SEPIC, ZETA, and other applications, offered in 1:1 high isolation, 1:1 shielded, 1:1:1 shielded, and 1:N shielded coupled configurations.
• High Voltage Inductors Inductors designed to operate safely at high voltage levels for power supply applications requiring elevated voltage handling capability.
• Uncoupled Dual Inductor Dual inductors with uncoupled windings for applications requiring two independent inductors in a single package, suitable for DC-DC converter and filter applications.
• Ceramic Core Chip Inductors RF inductors with ceramic cores offering high Q factor and stability, suitable for RF and microwave applications across various frequency ranges.
• Ferrite Core Chip Inductors RF inductors with ferrite cores providing better inductance at lower frequencies compared to ceramic cores, ideal for power supply and noise suppression applications.
• Air Core Inductors Non-magnetic inductors with no magnetic core material, ideal for applications requiring no magnetic interference and high Q factor at high frequencies; also suitable for non-magnetic applications.
• Conical/Broadband Inductors Wideband RF inductors designed for broadband applications with frequency-independent impedance characteristics, suitable for high-speed data and video transmission.
• RFID Inductors Inductor coils designed for RFID transponder applications enabling wireless identification and data transfer in various frequency bands.
• Tunable RF Inductors Adjustable RF inductors for tunable RF applications allowing frequency tuning in communication systems.
• Power Transformers Transformers for power conversion applications, including power converter, no-opto flyback, Power over Ethernet, current sensing, ultrasonic sensing, gate drive, isolation, capacitor charging, CCFL, power factor, and configurable transformer variants.
• Planar Transformers Low-profile transformers designed for planar mounting, suitable for space-constrained power conversion applications with efficient heat dissipation.
• Wideband RF Transformers Transformers designed for wideband RF applications providing impedance matching and signal coupling across broad frequency ranges.
• Data Line CM Chokes Common mode chokes for data lines designed to suppress common mode noise on differential data transmission lines including USB, Ethernet, and CAN bus interfaces.
• Power Line CM Chokes Common mode chokes for power lines to filter electromagnetic interference on AC and DC power rails, including high current and high isolation variants.
• Power over Coax (PoC) Inductors designed for Power over Coax applications enabling simultaneous power and data transmission over coaxial cables, primarily for automotive LVDS systems.
• Wirewound Ferrite Beads EMI suppression components combining ferrite material with wire winding for superior high-frequency noise attenuation on signal and power lines.
• Design Tools Suite Online suite of design tools including DC-DC Optimizer, Power Inductor Finder and Analyzer, RF Inductor/Choke Finder and Analyzer, Common Mode Choke Finder and Analyzer, Coupled Inductor Finder and Analyzer, and SPICE Models, helping engineers select, analyze, and compare inductors for their applications.
• Critical Products and Services (CPS) High-reliability magnetic components designed and tested specifically for medical, military, aerospace, and other critical applications requiring enhanced quality standards and extended lifecycle support.

Segments6 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration1 record

Feature5 records

Scale indicators1 record

Recent moves6 records

Expansion highlights4 records

Broad incumbents

• TDK Corporation: TDK is one of the world's largest manufacturers of inductors, transformers, and EMI/RFI components, supplying the same automotive, industrial, telecom, and consumer segments as Coilcraft. While TDK also produces batteries, sensors, and other components, its magnetics portfolio is the most direct large-scale competition for Coilcraft's product lines.
• Murata Manufacturing: Murata is a global leader in passive electronic components with a particularly strong position in RF chip inductors, EMI filters, and power inductors — directly mirroring Coilcraft's RF and EMI product categories. Its scale in MLCC and module-level integration also makes it a broad competitor in automotive and telecom markets where Coilcraft sells.
• Vishay Intertechnology: Vishay manufactures inductors, transformers, and a broad range of passive electronic components, with significant overlap with Coilcraft in power inductors, transformers, and automotive-grade magnetics. Its broader discrete semiconductor and resistor portfolio makes it an incumbent competitor across Coilcraft's primary segments.
• Eaton (Magnetics / Coiltronics): Eaton's Coiltronics brand manufactures high-current power inductors and transformers, directly competing in Coilcraft's shielded, high-current flat-wire, and toroid inductor lines. As part of Eaton's broader electrical components business, it competes in the same industrial and telecom power-conversion sockets that Coilcraft serves.

Direct peers

• Würth Elektronik: Würth Elektronik's eiSos division manufactures inductors, transformers, and EMI suppression components (including WE-FLEX, WE-LHMI, and common-mode chokes) with a comparable focus on engineering-friendly design tools, free samples, and AEC-Q200 automotive grades. It targets the same design engineer customer base as Coilcraft with very similar catalog depth.
• Bourns, Inc. Bourns is a privately held manufacturer of inductive components, transformers, and EMI/RFI products targeting automotive, industrial, and telecom end markets — a near-mirror profile to Coilcraft in terms of product mix, channel strategy, and customer type. Its magnetics catalog (e.g., chip inductors, common-mode chokes) competes directly in Coilcraft's core categories.
• Sumida Corporation: Sumida is a Japan-based specialty manufacturer of inductors and transformers with strong global automotive and industrial electronics exposure, including AEC-Q200 qualified magnetics. It offers the most direct product-line overlap with Coilcraft's transformer and coupled-inductor portfolio.
• Pulse Electronics (Yageo Group): Pulse Electronics, now part of Yageo, manufactures inductors, transformers, and common-mode chokes for automotive, telecom, and industrial markets — directly comparable to Coilcraft's coupled inductors, power transformers, and data-line CM chokes. Its acquisition by Yageo creates a significantly larger combined competitor to Coilcraft's automotive magnetics line.
• Taiyo Yuden: Taiyo Yuden is a major Japanese manufacturer of chip inductors (both RF and power), EMI suppression components, and transformers, with comparable catalog depth to Coilcraft in ferrite-core and ceramic-core chip inductors. Its global scale makes it a direct competitor in Coilcraft's RF and power inductor categories.
• Bel Fuse Inc. Bel Fuse manufactures magnetics (transformers and inductors) along with circuit protection and power conversion products, targeting industrial, telecom, and military/aerospace end markets. Its transformer and power magnetics lines directly overlap Coilcraft's transformer portfolio and CPS high-reliability focus.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/coilcraft_inc

Compliance9 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Coilcraft