- TDK Corporation is one of the world's leading manufacturers of electronic components and systems. TDK's portfolio includes passive components, such as ceramic, aluminum electrolytic and film capacitors, ferrites and inductors, high-frequency products, and piezo and protection components, as well as sensors and sensor systems. These products are marketed under the product brands TDK, EPCOS, InvenSense, Micronas, and Tronics. TDK focuses on demanding markets in the areas of information and communication technology and automotive, industrial and consumer electronics. Related product brands include: TDK Corporation, TDK InvenSense, TDK Micronas, TDK RF360, TDK Tronics, TDK-Lambda, Inc.

New Rectangular Actuator Options Now Available

Image of TDK EPCOS Powerful Haptic Feedback Device

TDK Corporation presents the innovative PowerHap piezo actuator with haptic feedback and integrated sensor functionality. Learn More

Robust Y2 Capacitors for EMI with 350 V AC

Image of EPCOS' B3203x Series Film Capacitors

EPCOS MKP Y2 B3203x series film capacitors for EMI suppression feature a permissible rated voltage of 350 VAC and a broad capacitance range. Learn More

Low Profile SMT Power Inductors

Image of EPCOS Low Profile SMT Inductors

EPCOS offers a full-line of energy storage chokes for DC-DC converters, VRM modules and POL converters with an inductance range of 0.5 to 20 µH. Learn More

Product Listing View All

Featured Products

Image of EPCOS' Circuit Protection

Circuit Protection for all your Designs!

EPCOS offers circuit protection components including MOVs and MLVs that offer designers high energy transient protection, ESD protection and thermal management. Learn More

Image of TDK's HVC200A-12 High-Voltage Contactors

Gas-filled Contactors for EV Battery Charging Systems

TDK's HVC series are specially designed to meet the requirements of high-voltage DC switching applications. Learn More

Newest Products View All (75)

EP6 Platform Series Transformer

EPCOS' EP6 Platform narrows inductance tolerances, lowers inductance drift over temperature, and the high peak voltages enable this transformer to be used in ultrasonic park assist, industrial distance measuring, and robotics applications. Learn More

Sample Kits

TDK now offering a variety of sample kits, built in-house at Digi-Key to supply you with the best and most complete design kit options for all your design needs. Learn More

PowerHap™ - Powerful Haptic Feedback Device

TDK Corporation presents the innovative PowerHap piezo actuator with haptic feedback and integrated sensor functionality. Learn More

B32354S3 Series Rugged AC Filter Capacitors

The B32354S3 series of AC filter capacitors from TDK Corporation (EPCOS) are UL 810 approved at the component level and carry the CE mark. Learn More

LeaXield™ EMC Filters

EPCOS LeaXield™ is an active leakage current filter that can minimize earth leakage currents in converter-based drive systems. Learn More

Compact CeraPlas™ for Cold Plasma Technology

EPCOS’ CeraPlas™ uniquely combines voltage transformation and plasma generation in a single component. Learn More

Tools & Support

Image of EPCOS X2 EMI Suppression Capacitors

Film Capacitor Service Life Tool

The film capacitor calculation tool offers a smart search option. Users can enter the key load parameters of their application to find suitable film cap product types. By double-clicking a capacitor in the list it is easy to start the calculation for this specific type. Learn More

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NTC R/T Calculation Tool

This NTC thermistor web based tool allows for the calculation of the resistance/temperature characteristics. R/T characteristics can be individually calculated and manipulated by adjusting the temperature range and the resistance tolerance and selecting the desired temperature intervals. The results can be output as PDF files or exported in spreadsheet-compatible csv format. Learn More

Image of EPCOS Design Tools Film Caps

Snubber Capacitor Finder

Finding the right snubber capacitor is easy using this cap finder. Just enter the manufacturer’s IGBT part number to obtain a search result of all suitable EPCOS snubber capacitors. By selecting rated voltage and/or capacitance as well as film/foil arrangement the number of capacitors in the search result can be reduced in a simple way. Learn More

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Switch Mode Power Supply

The range of products offered by EPCOS for switch mode power supply applications includes common mode filters, ferrite filters, ferrite cores in E, I, U, and ring core forms, transformers, X/Y filter capacitors, thermistors, temperature sensors, DC Link capacitors in both film and aluminum. Learn More

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LED Lighting

Energy saving lamps and LED lighting systems need about 80% less energy than conventional technologies. EPCOS offers the key components necessary to support electronic ballasts and power supplies for LED lighting systems including inductors, capacitors and protection devices. Learn More

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Products for Industrial Applications

EPCOS and TDK passive components offers a broad range of products for all industrial applications including capacitors. Ferrites, inductors, filters, circuit protections, sensors and high frequency RF and SAW devices. Learn More

Recent PTMs View All (23)

Leaded Chokes (Inductors) Publish Date: 2017-07-24

Introduce EPCOS's wirewound fixed inductors and discuss their features, the markets available, and the product offering.

Duration: 5 minutes
Gas-Filled Contactor for High-Voltage DC Switching Applications Publish Date: 2017-06-22

An overview of the Gas Filled Contactor component for application in the electric vehicle market, solar array installations, and energy stand alone storage systems.

Duration: 5 minutes
ERU Surface Mount High-Current Power Inductors Publish Date: 2017-06-19

The ERU series of helical power inductors by TDK Corporation feature a very low profile, high rated current, low DC resistance and a large contact area.

Duration: 10 minutes
Hybrid Electric Vehicle Protection Publish Date: 2016-11-23

Information of the battery charging and discharging circuit architectures within the hybrid electric and electric vehicle applications.

Duration: 20 minutes

Featured Videos View All (27)

TDK PowerHap Eval Boards | Digi-Key Daily

TDK Corporation presents the innovative PowerHap piezo actuator with haptic feedback and integrated sensor functionality. The actuator features unrivalled performance in terms of acceleration, force, and response time.

Attractive Wellness

TDK’s advanced technology in biomagnetic field sensors help advance new diagnostic possibilities.

Attractive Mobility

As autonomous vehicles become mainstream, TDK continues to develop and manufacture high-performance sensors ideal for vehicle navigation and safety.

Attractive Robots

TDK silicon MEMS technology allows for the creation of microphones with tiny membranes used to detect sound with high-clipping points.

Additional Content

Related Product Brands

Industrial Electronics

Consumer Electronics


Film Capacitors

Aluminum Electrolytic Capacitors

Smart Meters


Tech Notes


Piezo and Protection Devices

Surge Arrestors


SAW Components

More about EPCOS


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