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FM3 32-bit Arm® Cortex®-M3 microcontroller (MCU) families
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32-bit TriCore™ AURIX™ – TC2xx
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32-bit TriCore™ AURIX™ – TC3xx
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Diodes and thyristors (Si/SiC)
Power diodes and thyristors in different designs and housings

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On this page
Browse by category
Bridge rectifiers & AC switches
Bridge rectifiers and AC controllers for a more compact converter design
CoolSiC™ Schottky diodes
Silicon carbide CoolSiC™ Schottky diode solutions - improve efficiency and solution costs
CoolSiC™ Schottky diodes Subfamilies
Diode bare dies
Infineon's unique Fast Recovery Diode technology
Silicon diodes
Perfect cost/performance balance, targeting high efficiency applications switching between 18 kHz and 100 kHz
Silicon diodes Subfamilies
Thyristor / Diode Power Modules
Thyristor / Diode Power Modules assembled in high reliable pressure contact and in solder bond technology with up to 4400 V and 1070 A.
Thyristor / Diode Power Modules Subfamilies
Thyristor soft starter modules
Cost-effective and fully integrated solution for overloads up to 5000 A
Thyristor/diode discs
Applied in many applications with a power range of a few kilowatts up to several gigawatts
Thyristor/diode discs Subfamilies
About
Infineon offers diodes and thyristors in discrete, module, and disc housings for a wide range of applications, voltages, temperatures, and power classes. The high overload capacity and steady on-state behaviour of these devices provides surge protection, leading to reduced downtime and a longer lifespan. They also offer high turn-on di/dt capacity, which results in increased efficiency and reliability.
All diodes and thyristors are manufactured and assembled according to robust standards to ensure RoHS-compliance. Technical accessories like clamps, gate leads, optical fibers, and laser diodes are offered to enhance products in discrete, disc, and module housings.
Infineon’s power diodes and thyristors are divided into the following subcategories: thyristor/diode discs, thyristor/diode modules, thyristor soft starter modules, bridge rectifiers & AC switches, CoolSiC™ Schottky diodes, silicon diodes and diode bare dies.
Thyristor and diode discs come in hermetically sealed ceramic housings, providing robust protection against mechanical and environmental damages. Leverage SiC-based diodes for high power density and power requirements.
For faster time to market and power-to-performance ratio, Infineon offers thyristor and diode modules. These modules offer high overload capacity, thermal stability, and a solid baseplate for easy mounting.
Learn more about Infineon’s discrete diode and thyristor offerings.
Infineon’s comprehensive portfolio of thyristors and diodes in discrete housings lets you choose the perfect product for your design, including hard- or soft-switching topologies, and fast-switching or soft-recovery demands.
High-power light-triggered thyristors (LTTs) offer high DC blocking, surge current capabilities, and integrated protection, which helps streamline modern HVDC converter designs. Electrically-triggered thyristors (ETTs) are a good option for easy power scaling. For efficiency in hard- and resonant-switching applications, use freewheeling diodes with soft-recovery characteristics.
Silicon carbide (SiC)-based CoolSiC™ Schottky diodes are performers in high-voltage, high-temperature applications, exhibiting switching losses independent of temperature, switching speed, or load current. Infineon also offers 600 V and 1200 V ultra-soft diodes with low VF and robust EMI, and 650 V rapid diodes for applications switching between 18-100 kHz.
For the automotive welding industry, housingless welding diodes with low on-stage voltage are offered – ideal for mid-frequency resistance welding and high-current rectifier applications.
Infineon’s thyristor and diode modules are cost-effective and provide easy mounting and faster installation. They are enhanced with pressure-contact or solder-bond technology. Many of these modules also incorporate thermal interface material (TIM) for increased thermal performance and reliability in high power density applications.
Pressure contact modules from 1600 V to 4400 V provide high overload capacity and blocking stability, enabling best-in-class performance and reliability in high power density and temperature requirements. Thyristor soft-starter modules are cost-effective, easy-to-use modules for low-voltage, soft-start applications. Solder bond modules bridge the gap between these modules with high performance and competitive pricing.
Infineon offers diodes and thyristors in discrete, module, and disc housings for a wide range of applications, voltages, temperatures, and power classes. The high overload capacity and steady on-state behaviour of these devices provides surge protection, leading to reduced downtime and a longer lifespan. They also offer high turn-on di/dt capacity, which results in increased efficiency and reliability.
All diodes and thyristors are manufactured and assembled according to robust standards to ensure RoHS-compliance. Technical accessories like clamps, gate leads, optical fibers, and laser diodes are offered to enhance products in discrete, disc, and module housings.
Infineon’s power diodes and thyristors are divided into the following subcategories: thyristor/diode discs, thyristor/diode modules, thyristor soft starter modules, bridge rectifiers & AC switches, CoolSiC™ Schottky diodes, silicon diodes and diode bare dies.
Thyristor and diode discs come in hermetically sealed ceramic housings, providing robust protection against mechanical and environmental damages. Leverage SiC-based diodes for high power density and power requirements.
For faster time to market and power-to-performance ratio, Infineon offers thyristor and diode modules. These modules offer high overload capacity, thermal stability, and a solid baseplate for easy mounting.
Learn more about Infineon’s discrete diode and thyristor offerings.
Infineon’s comprehensive portfolio of thyristors and diodes in discrete housings lets you choose the perfect product for your design, including hard- or soft-switching topologies, and fast-switching or soft-recovery demands.
High-power light-triggered thyristors (LTTs) offer high DC blocking, surge current capabilities, and integrated protection, which helps streamline modern HVDC converter designs. Electrically-triggered thyristors (ETTs) are a good option for easy power scaling. For efficiency in hard- and resonant-switching applications, use freewheeling diodes with soft-recovery characteristics.
Silicon carbide (SiC)-based CoolSiC™ Schottky diodes are performers in high-voltage, high-temperature applications, exhibiting switching losses independent of temperature, switching speed, or load current. Infineon also offers 600 V and 1200 V ultra-soft diodes with low VF and robust EMI, and 650 V rapid diodes for applications switching between 18-100 kHz.
For the automotive welding industry, housingless welding diodes with low on-stage voltage are offered – ideal for mid-frequency resistance welding and high-current rectifier applications.
Infineon’s thyristor and diode modules are cost-effective and provide easy mounting and faster installation. They are enhanced with pressure-contact or solder-bond technology. Many of these modules also incorporate thermal interface material (TIM) for increased thermal performance and reliability in high power density applications.
Pressure contact modules from 1600 V to 4400 V provide high overload capacity and blocking stability, enabling best-in-class performance and reliability in high power density and temperature requirements. Thyristor soft-starter modules are cost-effective, easy-to-use modules for low-voltage, soft-start applications. Solder bond modules bridge the gap between these modules with high performance and competitive pricing.
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