Thermal Management

WE-TINS is a thin silicone pad designed to electrically insulate electronic components and cooling assemblies while allowing the flow of heat.

WE-TTT is a double sided tape designed to provide a thermal interface that at the same time allows mechanical fixing in both contact surfaces without the need of additional screws or clips.

WE-TGF is a silicone elastomer gap filler pad, designed to fill a gap between one or multiple electronic components and a cooling assembly, such as heating, a cooling plate or a metal housing.

WE-TGFG is a synthetic graphite layer wrapped around a core of foam. This enables the use of a highly conductive heat spreader to fill vertical caps and provide a silicone-free alternative to the WE-TGF.

WE-TGS is a synthetic graphite heat spreader. This implies that most of the termal conductivity provided by the material occurs at the horizontal or XY axis.

WE-PCM is a phase changing material. These materials are known for remaining solid at room temperature and changing into a flowing state with increasing temperature to ensure the best thermal interface.

EMC Components

WE-FCLP is a compact THT common mode choke for power lines with high nominal (up to 100 mH) and leakage inductances. WE-FCLP features a better differential filtering from high leakage inductance where space and cost can be saved because in the best case only one component is needed (CM & DM filtering). WE-FCLP is ideal for applications with limited space, mains operated LED drivers and mains filters.

WE-CMDC is a compact SMT Common Mode Choke for low voltage and data lines. It features a high rated current (up to 8A) and AEC-Q200 Grade 1 qualification. WE-CMDC is ideal for DC/DC converters or DC signal and power lines.

The new WE-SHC Seamless is a EMC gasket with seamless design (no openings between the WE-SHC seamless and the PCB) for higher shielding effectiveness in high frequency applications up to 60 GHz. WE-SHC Seamless also offers a better oxidation resistance than normal EMC gaskets.

Power Magnetics

The new WE-HCF SMD Power Inductor with flat wire and MnZn-Core extension offers a high mechanical stability through 3-pin SMT, an optimized core shape and material with improved ISAT and efficiency values.

The new WE-HCFT High Current Ferrite THT extention offers excellent thermal behavior with full current capability within operating temperature range, a high current capability up to 33 A and a low profile.

The new WE-PD extention brings the new size 1280 Performance that offers a MnZn core for better ISAT & lower RDC charateristics. WE-PD is AEC-Q200 Grade 1 (-40 to +150°C) qualified, offers up to 120 V operating voltage and an excellent performance / size ratio.

The WE-CST Current Sense Transformer product series offers an withstand voltage of 500 VAC for frequency up to 1 MHz and up to 20 A rated current with compact size (5.33 mm maximum height).

The new WE-HCM extention offers new sizes 4030 and 5030 with low profile (3 mm), a small footprint (5.6 x 1.7 mm) and is the perfect fit for FPGA applications, graphic cards, servers, motherboards and many other applications.

The new WE-AGDT is a Compact Power Supply SMT Transformer with single & dual output, up to 6 W power and basic insulation IEC62368-1 / IEC61558-2-16. It offers a low interwinding capacitance down to 6.8 pF typical, high CMTI and Pick & Place automation.

Signal & Communication


The new WL-SIQW SMT Infrared QFN Waterclear IR LED offers a high power output, low thermal resistance and fits perfect with applications e.g. face recognition, night vision, security camers and gaming and movement recognition.

The new WL-VCSL Vertical Caity Surface Laser offers two different homogeneous radiation patterns (60° x 45° & 110° x 85°), high optical power and fits perfect with applications e.g. biometrical & 3D recognition, LiDAR and time of flight.

The new WL-SBRW product extention offers Bi-color LED design and is compatible with automatic placement machines. WL-SBRW fits perfect with applications e.g. LED front panel indicators, backlighting of networking and telecommunications.

The WL-SBCW product extention offers a industry standard footprint and a small package for exeptional brightness. WL-SBCW fits perfect with backlighting applications and status indicators.

The product extention WL-SMTW offers a PLCC 3528 package, a big variety of colors and high intensity. WL-SMTW fits perfect with applications e.g. signage and indirect illumination, dash boards, telephones, A/V equipment and coupling into light guides.

WL-SMTD offers with the new extention a industry standard PLCC-4 package, a narrow viewing angle at 30° & 60° and common anode & common cathode.

The new WL-OCPT extention offers a good stability of inner isolation with coplanar structure, stable CTR in full operation temperature range and is available in different CTR binnings. Especially well suited for applications e.g. power supply, chargers, computers and microprocessors and industry applications.

Power Modules

The new MagI³C-VDMM Variable Step Down MicroModule is a fully integrated 1 A DC/DC power supply including the switching regulator with integrated MOSFETs, compensation & shielded inductor in one package and offers a Power Good function, automatically switches operation mode for best efficiency and is suitable for downsizing.

Wireless Connectivity & Sensors

The new WSEN-HIDS humidity sensor is robust, calibrated and temperature compensated. Using the embedded analog-to-digital converter, it provides a fully calibrated 16-bit humidity and temperature output. Thanks to an interrupt pin, it can be used directly for monitoring.

The fully calibrated digital temperature sensor is based on a silicon base and impresses by its high accuracy (up to ±0.25 °C typ.), the fully calibrated 16 bit temperature output and the selectable output data rate up to 200 Hz. It has an I²C digital communication interface and programmable temperature threshold and interrupt. The matching evaluation kit also simplifies the design in for applications such as power system monitoring, HVAC or cold chain monitoring.

Würth Elektronik eiSos presents, a range of FeatherWing development boards that are open source and fully compatible with the Feather form factor. Through these development boards WE brings a range of wireless connectivity modules, sensors and power modules to the Feather ecosystem.

Würth Elektronik launches Thetis-I, a ready-to-use radio module for Wirepas mesh networks. Thetis-I is the perfect solution for IoT device manufacturers. Würth Elektronik offers developers the Thetis-I Evaluation Kit. Thanks to the tailored Wirepas Commander software, this kit can be operated and configured directly via a PC.

The new Bluetooth low-energy 5.1 modules Proteus-III and Proteus-III-SPI and the proprietary variant Thyone-I are 8 × 12 × 2 mm modules with integrated antenna, encryption technology and six configurable IO pins and are based on the Nordic Semiconductor nRF52840 chipset. The WE-ProWare firmware, which has been proven over many years, makes the modules extremely flexible for use in radio-based maintenance interfaces and sensor networks, for example. A radio stick and an evaluation kit are also available.

The new series "Elara" and "Erinome" are GNSS modules for global positioning, whereby the "Elara-II" is currently the smallest GNSS module on the market. The modules with integrated or external antenna impress with high accuracy (1.5 m) and fast acquisition (1 s hot start and 28 s cold start). Besides evaluation boards, further design-in tools are offered, such as the software tool WENSS.

Electromechanical Components

For easy, fast and reliable installation of cables on PCB the new SMT cable holder WA-SMCH has been released. No extra handling as it is processed during standard SMT mounting. Cable ties can be assembled in two directions which makes it a flexible mounting way for cables but even for other items like battery packs and more.

The new WP-SMRA with pins / without pins is a range extension of 90° SMT blocks with M2 and M2.5 mm thread. Especially the M2 versions are a perfect fit for USB 3.1 Type C locking types (single and dual locking for market standard USB C cables possible).

WR-LECO LED connectors in poke-in design.

Extension of the WS-TASU and WS-TASV short-travel switch series with vertical tact switches with IP67 protection class in compact construction and an additional angled variant.

NEW: WA-SMSI SMT Steel Spacer now also available as M5 version with 3 mm height.

WR-FFC Flat Flexible Cable with length compensating folding in different versions.

WR-UMRF Ultra Miniature Coaxial Connectors, and matching cables and adapters.

WR-TBL Terminal Blocks with Push-In Technology as PCB Connectors ( 5.00 mm Pitch / 5.08 mm Pitch)

WR-TBL Terminal Blocks with Push-In technology as a pluggable solution.

Automotive Standard Products

The new WE-TEMA series is a toroidal core composed of Manganese-Zinc which has the ability to attenuate lower frequencies and is therefore suitable for suppression of conductive EMC interference.

The WE-MCI series is an SMT multilayer inductor with a ceramic body. This series offers inductors for various automotive applications such as infotainment or key-less entry systems. From 1 nH up to 470 nH, WE-MCI covers many inductance values to fit all requirements. This series comes with a double sided marking for better production control and and narrow inductance tolerances.

The WE-SMSA SMT Spacers from Würth Elektronik signifi cantly optimize the assembly process of electromechanical units in Automotive applications. Mounting conventional spacers takes a lot of time, SMT Spacers are tailor-made for full automation. Available on reel, they can be positioned very precisely on the PCB using automated pick and place equipment. Different designs cover a wide range of applications for fast, strong and safe soldering connections.

WE-SCFA is a SMT contact spring made of beryllium copper plated with gold, meaning it is highly resilient to corrosion, even at high temperatures. The parts are designed to minimize mechanical wear under compression.