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High-Reliability IXYS Solutions for Industrial Rectification and Power Control

Our range of isolated power modules is primarily based on IXYS, a Littelfuse Technology, one of the most recognized names in the industrial power semiconductor market. We offer thyristor modules, rectifier diode modules, mixed thyristor/diode configurations, and fast recovery diode modules in standard packages widely used throughout the industry.

This format provides a compact, robust, and easy-to-integrate solution, featuring built-in electrical isolation and an excellent balance between power density, ease of assembly, and operational reliability. In addition to our core IXYS/Littelfuse offering, we can evaluate equivalent references and propose alternatives from other leading manufacturers or compatible solutions based on availability, application requirements, or specific project constraints.

Typical Applications
  • Controlled and uncontrolled rectifiers.
  • Industrial battery chargers.
  • Power supplies.
  • Soft starters.
  • DC motor control.
  • Industrial welding equipment.
  • AC/DC and DC/DC conversion.
  • Industrial power regulation systems.
Key Features
  • Wide range of thyristor, diode, and mixed-configuration modules.
  • Solutions primarily based on IXYS / Littelfuse technology.
  • Standard industrial packages compatible with common applications.
  • Integrated electrical isolation to simplify design and assembly.
  • High reliability for demanding industrial environments.
  • Availability of equivalent alternatives and technical support for component selection.

IXYS UK Westcode / Littelfuse Semiconductors for Very High-Power Applications

We distribute IXYS UK Westcode Press-Pack devices, a Littelfuse Technology, one of the industry's benchmark product ranges for high-current and high-voltage industrial applications. This package format, also known as a capsule or hockey-puck device, is particularly suited to applications requiring maximum electrical robustness, high overload capability, and double-sided cooling.

Our portfolio includes Press-Pack thyristors, rectifier diodes, fast recovery diodes, and Press-Pack IGBTs, providing solutions for high-power rectifiers, industrial converters, traction systems, soft starters, welding equipment, induction heating, power transmission, and other critical energy conversion applications. In addition to IXYS UK Westcode / Littelfuse products, we can evaluate equivalent references or propose alternatives from other leading manufacturers whenever application requirements, availability, or project constraints make it advisable.

Typical Applications
  • Medium and high-power rectifiers.
  • Industrial converters and high-power drives.
  • Railway traction, marine, and mining applications.
  • Soft starters and medium-voltage motor control.
  • Industrial welding, induction heating, and electrochemical processes.
  • UPS systems, renewable energy installations, and HVDC / STATCOM transmission systems.
Key Features
  • Product range primarily based on IXYS UK Westcode / Littelfuse devices.
  • Press-Pack technology without internal solder joints, ideal for critical applications.
  • Double-sided cooling and excellent thermal dissipation capability.
  • High current, voltage, and overload performance.
  • Availability of Press-Pack thyristors, rectifier diodes, fast recovery diodes, and IGBTs.
  • Technical support for component selection, cross-referencing, and replacement projects.

Selected Solutions for Industrial Power Applications and Legacy Equipment Maintenance

Rectificadores Guasch, S.A.U. offers a carefully selected range of stud-mounted thyristors and diodes for medium and high-power industrial applications, combining references from leading manufacturers such as Littelfuse IXYS UK Westcode with a portfolio of products marketed under our Semicode brand. This approach allows us to ensure product availability, supply continuity, and a responsive service tailored to market requirements.

This type of semiconductor remains widely used in a broad range of industrial equipment, particularly in established applications where robustness, ease of replacement, and long-term reliability are key factors. Our experience in power electronics enables us to provide support for both new designs and maintenance projects, including replacement, cross-referencing, retrofit, and substitution of existing devices.

Typical Applications
  • Controlled and uncontrolled industrial rectifiers.
  • Industrial battery chargers and DC power supply systems.
  • Industrial welding equipment and legacy power systems.
  • DC motor control and conventional drive systems.
  • Electrochemical processes and surface treatment equipment.
  • Maintenance, retrofit, and replacement of existing installations.
Key Features
  • Selected product range including Littelfuse IXYS UK Westcode and Semicode references.
  • Robust solutions for industrial applications requiring long service life.
  • Standard package format widely used in existing industrial equipment.
  • Ideal for maintenance, replacement, and legacy equipment support.
  • Availability of equivalent references and compatible alternatives.
  • Technical support for component selection based on voltage, current, and application requirements.

Advanced Switching Solutions for Power Conversion, Drives, and Industrial Inverters

Rectificadores Guasch, S.A.U. offers solutions based on IGBT, MOSFET, and advanced Silicon Carbide (SiC) switching technologies for industrial power conversion and energy control applications. Our portfolio combines discrete devices and isolated power modules, including solutions based on IXYS, a Littelfuse Technology, as well as products from other leading manufacturers and carefully selected compatible alternatives according to application requirements, availability, or supply strategy.

We supply IGBT power modules in industry-standard package formats, including half-bridge, six-pack, chopper, CBI, H-bridge, and high-power configurations for industrial converters, motor drives, inverters, and critical power systems. We can also propose SiC-based solutions for applications requiring higher efficiency, reduced switching losses, increased power density, or operation at higher switching frequencies, offering both standard products and compatible alternatives tailored to each project.

Typical Applications
  • Variable speed drives and industrial motor control systems.
  • Industrial inverters and DC/AC conversion.
  • AC/DC and DC/DC converters.
  • UPS and critical power supply systems.
  • Welding equipment, induction heating, and high-frequency applications.
  • Renewable energy, energy storage, and OEM developments.
Key Features
  • Discrete MOSFET and IGBT devices for a wide range of industrial applications.
  • Power IGBT modules in standard industrial package formats.
  • Availability of advanced Silicon Carbide (SiC) solutions.
  • Portfolio based on IXYS / Littelfuse technologies and other leading manufacturers.
  • Compatible alternatives to ensure supply continuity and cost optimization.
  • Technical support for component selection, cross-referencing, and solution definition.

Technical Support for Component Selection, Replacement, and Supply Continuity

In today's power semiconductor market, selecting the right component is not always limited to the original part number. Obsolescence, lead times, supply constraints, maintenance requirements, and cost optimization strategies often require a more flexible, solution-oriented approach.

Drawing on our experience in power electronics and extensive market knowledge, we assist customers in identifying equivalent devices, compatible alternatives, second-source options, and technically viable solutions for both new developments and maintenance, retrofit, or replacement projects. Our goal is to provide realistic and technically sound solutions that meet functional requirements, delivery schedules, and cost objectives.

Typical Services
  • Cross-referencing and identification of alternative part numbers.
  • Support for replacing obsolete components.
  • Identification of second-source and compatible alternatives.
  • Technical optimization based on availability, cost, or lead time.
  • Support for maintenance, retrofit, and operational continuity projects.
  • Technical guidance in the selection of power semiconductors.
Added Value
  • More than 40 years of experience in industrial power electronics.
  • Practical knowledge of real-world applications and integration requirements.
  • A solution-oriented approach rather than a purely catalogue-based perspective.
  • Ability to combine leading brands with compatible alternative solutions.
  • Technical and commercial focus on ensuring supply continuity.
  • Responsive support and fast turnaround for urgent requirements.
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