- 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)

Film Capacitor, Inductor, Circuit Protection, and Thermistor Sample Kits Publish Date: 0001-01-01

EPCOS offers numerous options for film capacitors, inductors, circuit protection, and thermistors sample kits for engineers and customers.

Magnetic Modules for LAN Applications Publish Date: 2010-02-12

EPCOS offers their LAN modules with low insertion loss and high interference suppression.

Superior Series SMD PTC Thermistors Publish Date: 2010-11-17

EPCOS' SMD PTC thermistor series employs a more homogenous ceramic material, which enables them to exhibit excellent performance in reliability tests and be reflow and wave-soldered at temperatures of up to 280°C.

AdvanceD-MP Series Multiple Pulse Disk Varistors Publish Date: 2011-04-26

EPCOS' Multiple Pulse Disk Varistors protect against low-level repetitive surge currents.

B3279X Series Capacitors Publish Date: 2012-06-29

EPCOS' B3279X series output filter capacitors feature types for voltages up to 400 VAC and can be used in a wide range of output filter modules.

B3277 High-Density Series Film Capacitors Publish Date: 2012-06-29

EPCOS offers their B3277 series of high-density film capacitors for a variety of applications.

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

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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)

Heavy Duty X2 Film Capacitor Publish Date: 2010-11-16

Advantages include high capacitance stability under harsh conditions and approved according to the basic standards for capacitors, IEC60384-14 and UL60384-14.

Duration: 5 minutes
Superior Series PTC Thermistors Publish Date: 2011-05-24

Superior series thermistors feature an improved design which allows for a more homogeneous material and better performance across the entire range of products.

Duration: 10 minutes
Inrush Current Limiters Publish Date: 2011-05-24

ICL's protect critical components in the curcuit and decrease power consumption in the working state.

Duration: 5 minutes
Capacitors for LED Applications Publish Date: 2011-09-19

Capacitors are needed when dealing with efficient and long lasting LED applications. Review TDK-EPCOS' wide variety of capacitors for lighting applications.

Duration: 5 minutes

Featured Videos View All (19)

Ceralink Presentation from TDK

TDK Corporation presents a new generation of the EPCOS CeraLink™, a highly-compact solution for the snubber and DC links of fast-switching converters based on SiC and GaN semiconductors.

TDK P27 NTC ICLs | Digi-Key Daily

TDK's P27 series of NTC inrush current limiters (ICLs) are large in size and ideal for industrial electronics applications such as large electric motors and drives, particularily soft start.

TDK Corporation Compact Screw Terminal Series│Digi-Key Daily

TDK aluminum electrolytic capacitors compact screw terminals have a max voltage of 350 VDC-450 VDC and also have a high ripple current capacity. The small size is roughly 20% smaller than its competitors and can be as small as 56.6mm x 80.7mm.

TDK EPCOS High Current Chokes | Digi-Key Daily

Ideal for household appliances, solar converters, and switch mode power supplies, the EPCOS high current chokes are designed specifically to solve core material saturation problems.

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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