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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.

High Operating Temperature Varistors

Image of EPCOS' B722 Series of Varistors

EPCOS' B722 series of varistors have increased operating temperature ratings and are ideal for industrial electronics applications as well as household appliances, and telecommunication devices. Learn More

High Performance AC Film Caps

Image of EPCOS' MKP AC B3275 Series

EPCOS' B3275 series metallized polypropylene film capacitors for PCB mounting are optimized for AC voltage performance, and can be used in a variety of applications. Learn More

PowerHap™ - High quality high power haptic feedback

Image of EPCOS' PowerHap™ Piezo Actuator

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

Product Listing View All

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Featured Products

Image of TDK EPCOS' UL Approved CTVS Chip Varistors (MLVs)

UL Approved CTVS Chip Varistors (MLVs)

EPCOS' high reliability UL approved CTVS chip varistors (MLVs) are ideal for industrial IoT, smart home, safety, and telecommunications applications. Learn More

Image of EPCOS' Circuit Protection

Circuit Protection

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

Newest Products View All (65)

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

High Voltage Contactors feature operating voltages up to 900 V

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

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Image of TDK's B3277xH Series Film Capacitors

B3277xH Series Film Capacitors

TDK's B3277xH series film capacitors are suitable for DC link applications and harsh environmental conditions.

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Image of EPCOS' Ultra-Compact DC Link Solution

Ultra-Compact DC Link Solution

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

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Image of EPCOS' Powerful Transformers for PoE++

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.

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Image of EPCOS' Eyelet Temperature Sensors

Eyelet Temperature Sensors

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

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Image of EPCOS B32355C Series Motor Run Capacitors

B32355C Series Motor Run Capacitors

The B32355C series are based on a metallized polypropylene film, feature self-healing properties, and conform to the highest Safety Class S3 as specified in IEC60252-1.

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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

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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 (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 (17)

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.

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.

TDK PowerHap Piezo Actuator | Digi-Key Daily

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

TDK SMD NTC Thermistors | Digi-Key Daily

NTC (Negative Temperature Coefficient) thermistors simple, but very sensitive and accurate sensing elements for measuring and control temperature in circuits.

Additional Content

Related Product Brands

Industrial Electronics

Consumer Electronics


Film Capacitors

Aluminum Electrolytic Capacitors

Smart Meters



Piezo and Protection Devices

Surge Arrestors


SAW Components

More about EPCOS

Press Releases


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