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- 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.

60 W Transformer for PoE++ Applications

Image of EPCOS' Powerful Transformers for PoE++

EPCOS' powerful transformers for PoE++ devices comprise four types with different turn ratios for output voltages of 3.3 V, 5 V, 12 V, and 24 V. Learn More

CeraLink™ Solutions for SiC and GaN

Image of EPCOS' CeraLink

In contrast to conventional ceramic capacitors, EPCOS CeraLink capacitors' maximum capacitance at application voltage increases proportionately to the share of the ripple voltage. Learn More

Precise NTC Temperature Sensors

Image of EPCOS' Eyelet Temperature Sensors

EPCOS' NTC temperature sensors are easy mounting and good thermal coupling. Learn More

Product Listing View All

Featured Products

EPCOS Film Capacitors

Film Capacitor Selection Made-easy

EPCOS’ film capacitor advantages include their self-healing features, high current capability, and flexible design. Same day shipping available at Digi-Key. Learn More

Image of EPCOS' Ultra-Compact DC Link Solution

Up to 50% more Capacitance

TDK Corporation's EPCOS B32320I2656J011 film capacitor applications include the HF filtering in inverters and general DC applications. Learn More

Newest Products View All (75)

Sample Kits

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.

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Image of TDKs' PowerHap™ Powerful Haptic Feedback Device

PowerHap™ - Powerful Haptic Feedback Device

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

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Image of EPCOS' B32354S3 Series of Rugged AC Filter Capacitor

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.

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Image of EPCOS LeaXield EMC Filters

LeaXield™ EMC Filters

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

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Image of Epcos Compact CeraPlas for Cold Plasma Technology

Compact CeraPlas™ for Cold Plasma Technology

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

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Image of EPCOS (TDK) PC200 Ferrite Material offers Significant Energy Savings

PC200 Ferrite Material Offers Significant Energy Savings

The EPCOS (TDK) PC200 was developed specifically for power supplies and frequency converters operating with fast-switching power semiconductors on a GaN basis.

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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

Image of EPCOS' Design Tools Data

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

Image of EPCOS Mode Power Supply

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

Image of EPCOS LED Lighting

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

Image of EPCOS Industrial Applications

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

Product Training Modules View All (23)

Image of EPCOS Leaded Chokes

Leaded Chokes (Inductors)

Duration: 5 minutes

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

Gas-filled contactor

Gas-Filled Contactor for High-Voltage DC Switching Applications

Duration: 5 minutes

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

ERU Surface Mount, High-Current Power Inductors

ERU Surface Mount High-Current Power Inductors

Duration: 10 minutes

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.

Hybrid Electric Vehicle Protection

Hybrid Electric Vehicle Protection

Duration: 20 minutes

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

Featured Videos View All (19)

TDK EPCOS ThermoFuse Varistors | Digi-Key Daily

ThermoFuse varistors are uniquely designed disk varistors connected in series with a thermally coupled fuse and, therefore, they are intrinsically safe.

Publish Date: 2019-02-11

TDK Epcos Eyelet Sensors | Digi-Key Daily

EPCOS screw-on eyelet temperature sensors are suited for surface measurement sensing, detection, and monitoring in applications such as heat sinks, ovens, induction cooktops, and other household appliances.

Publish Date: 2018-10-15

TDK EPCOS ERU Series Inductors | Digi-Key Daily

TDK's EPCOS brand ERU series of helical power inductors feature a very-low profile, high-rated current, low DC resistance, and a large contact area.

Publish Date: 2018-06-07

TDK EPCOS UL Rated Varistors | Digi-Key Daily

The UL approved CTVS chip varistors (MLVs) from EPCOS meet major safety guidelines for "surge protection devices" in accordance with the UL 1449 standard.

Publish Date: 2018-01-29

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


Manufacturer Web site