On April 1st, 1999, Siemens Semiconductors became Infineon Technologies. A dynamic more flexible company geared towards success in the competitive, ever-changing world of microelectronics.



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Infineon offer highly reliable IGBTs, MOSFETs, Power Discretes, Drivers, IGBT Modules, IPMs, Regulators, Motor Control, and all forms of AC/DC, DC/DC. Learn More


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See some of Infineon’s application spotlights on Automotive, Commercial, Power, Industrial, as well as other applications. Learn More

Product, Simulation, and Tools

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Get the right product at the click of the mouse. Infineon solution finders quickly show the best parts based your design parameters and features. Learn More

Product Listing View All

Featured Products

Infineon and International Rectifier

IR Acquisition

Infineon and International Rectifier – this is a powerful combination and a unique opportunity for our customers. Both companies complement each other outstandingly in their distributional strengths, in their competitive products, and in their leading technological and innovative excellence. Learn More

Newest Products View All (120)

TLE7241 Current Regulating Solenoid Driver Publish Date: 2008-10-03

Infineon's TLE7241 addresses the challenging control requirements of proportional control solenoid valves often used in hydraulic controls.

30 V MOSFET Family Publish Date: 2009-12-10

International Rectifier's 30V MOSFET family is qualified to industrial grade and MSL1. The devices are targeted at industrial UPS inverter applications.

HEXFET® Power MOSFETs Publish Date: 2010-01-03

International Rectifier's family of HEXFET Power MOSFETs offers a low RDS(on) at 4.5Vgs to significantly improve thermal efficiency.

ILD4035 LED Driver Publish Date: 2011-06-01

Infineon's ILD4035 hysteric buck LED controller IC can drive high current, high brightness LEDs up to 350 mA.

BCR420U and BCR421U LED Drivers Publish Date: 2011-09-23

Infineon's BCR420U and BCR421U serve as an easy to use constant current sources for LEDs.

BCR320U and BCR321U LED Drivers Publish Date: 2011-09-23

Infineon's BCR320U and BCR321U LED drivers provide a constant current over the supply voltage range.

Tools and Support

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Infineon’s upcoming webinars and overviews of the webinars. Infineon’s webinars are all free of charge. Learn More

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Development Tools, Software, and Kits

Infineon Technologies Tools & Software Partner offers a variety of embedded development tools and software solutions for our customers that support our entire family of microcontrollers. Learn More

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Free switch mode power supply circuit (SMPS) design software and transformer calculation simulation tool. Learn More

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Application Solutions

Innovative Semiconductor Solutions for Energy Efficiency, Mobility, and Security Learn More

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Solution Finder

Solution Finder aims at finding the right product for the right application in a very short time. It consists of three dimensions: Product Finder, Application Finder, and Simulation and Tool Finder. Learn More

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Infineon Designer

Infineon Designer is a powerful online tool that makes it easy for engineers to quickly evaluate, optimize and simulate ready to use application circuits. This online platform is a flexible SPICE-based environment for power, mixed signal, and RF designs. Learn More

Recent PTMs View All (8)

Medium Power LED Drivers Publish Date: 2011-09-01

Suitable for applications that require driving currents of 100mA to 250mA or 50mA to 150mA with 24V and 40V internal breakdown voltages respectively.

Duration: 5 minutes
Power Factor Correction Publish Date: 2011-09-02

The basic concepts of Power Factor Correction and regulatory aspects.

Duration: 20 minutes
IGBT Primer Device and Applications Publish Date: 2012-05-16

Review IGBT concepts, features, applications, and IGBT development in addition to tools and services IR provides for designers and engineers.

Duration: 10 minutes
IRAM Product Line Overview Publish Date: 2013-01-04

Reduce noise and the PCB/system size and component count and reduce EMI noise with the IRAM module.

Duration: 5 minutes

Featured Videos View All (56)

Automotive LED Driver

Infineon`s Basic LED driver for low to medium power LEDs enable high flexibility, LED diagnostic, PWM operation and protection functions.

RF & LNAs Front End Modules

Infineon is the leading semiconductor company providing GPS and GNSS front-end devices.

Automotive Power MOSFETs

Based on the combination of innovative packaging technology and Infineon’s thin wafer process technology, the new 40V OptiMOS™ T2 power MOSFETs offer best-in- class specifications.

International Rectifier’s Class D Audio Solutions

International Rectifier has leveraged its advanced high voltage technology to offer high performance MOSFETs and gate driver ICs for Class D audio applications.