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EPCOS products are part of the product portfolio of TDK Corporation, one of the leading manufacturers of electronic components, modules, systems and devices. The broad portfolio of passive electronic components includes capacitors, ferrites, inductors, and high-frequency components such as surface acoustic wave (SAW) filter products, piezo and protection components, and sensors. These components are marketed under the product brands TDK and EPCOS.

CeraLink Capacitors

Image of TDK Corporation/EPCOS, Inc.'s CeraLink Capacitors

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. Learn More

EP6 Transformer

Image of Epcos' EP6 Platform

The Epcos' EP6 series transformer is an SMD component targeting ultrasonic sensor applications. Features include narrow inductance tolerances, low inductance drift-over temperature, and high peak voltages. Learn More

Film Capacitors

EPCOS Film Capacitors

Today, higher performance is expected of all the components used in new power electronics, from semiconductors to passive components, in terms of both electrical and climatic operating conditions. Learn More

Product Listing View All

Featured Products

Image of EPCOS UL Approved Inrush Current Limiters

UL Approved Inrush Current Limiters

EPCOS brand inrush current limiters are designed to suppress high inrush current surges which can occur when electrical equipment such as SMPs, motors, amplifiers, and control boards, are powered on. Learn More

Image of TDK Corporation/EPCOS, Inc.'s NTC Thermistors

SMD NTC Thermistors

NTC (Negative Temperature Coefficient) thermistors are thermally sensitive semiconductor resistors which show a decrease in resistance as temperature increases. Learn More

Newest Products View All (41)

Image of TDK/EPCOS ERU19 SMT Power Inductors

ERU19 SMT Power Inductors

TDK Corporation has extended its portfolio of compact designed EPCOS ERU SMT power inductors with the ERU19 choke series that comprises ten different types

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Image of EPCOS' B2562 Series Power Caps

B2562 Series Power Capacitors

EPCOS power capacitors offer high rated voltage, high peak current capability and customized configurations, making them ideal for renewable energy generation applications.

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Image of EPCOS' IEC Inlet Filter

IEC Inlet Filters

EPCOS' B8477* series is also available as versions for medical applications with a maximum leakage current of 2 µA and are designed for maximum ambient temperatures

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Circuit Protection Thumbnail

Circuit Protectors

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

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Image of TDK Corporation/EPCOS, Inc.'s Compact Screw Terminal Series

Compact Screw Terminal Series Aluminum Electrolytic Capacitors

TDK Corporation presents B43703, B43704, B43705 series of EPCOS aluminum electrolytic capacitors with screw terminals.

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Image of EPCOS' NTC Thermistors for Exact Temperature Measurement

NTC Thermistors for Exact Temperature Measurement

EPCOS' NTC thermisotrs accurate temperature measurement is indispensable in order to initiate countermeasures in good time in the event of impending overheating

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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

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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

Product Training Modules View All (20)


SMT Current Transformer Series

Duration: 5 minutes

Overview of the EPCOS EPC7 and EPC10 series of surface mount current sense transformers.

SMT Push-Pull Transformer Series

SMT Push-Pull Transformer Series

Duration: 5 minutes

The series is designed to be used at a typical switching frequency of 250 kHz and offers different turns ratios to define the output voltages.

EPCOS’ High Energy Transient Protection

Circuit Protection Offering

Duration: 5 minutes

Highlight the features and benefits of high energy transient protection, ESD protection, and thermal management products

Wireless LAN–BTE Modules

Wireless LAN BTE Modules

Duration: 5 minutes

WLAN-BTE module is a highly integrated WLAN, BT, BLE device that forms a complete standalone communication system.

Featured Videos View All (3)

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 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.

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.

Additional Content

Related Product Brands

Industrial Electronics

Consumer Electronics


Film Capacitors

Aluminum Electrolytic Capacitors

Smart Meters

Press Releases


Piezo and Protection Devices

Surge Arrestors


SAW Components

More about EPCOS