The Infineon FZ800R12KS4 is a high-current, high-voltage IGBT module engineered for heavy-duty industrial and power conversion environments. Rated at 800 amperes and 1200 volts, this module leverages Infineon's IGBT4 technology to deliver low conduction and switching losses, excellent ruggedness, and reliable thermal management. Its robust construction makes it a preferred solution for engineers designing high-efficiency power electronics systems where performance and longevity are critical.

The FZ800R12KS4 is widely used across a broad range of demanding applications including medium-voltage variable speed drives, industrial motor control systems, traction inverters for rail and heavy transport, uninterruptible power supplies (UPS), wind and solar energy inverters, and induction heating equipment. Its combination of high current handling and fast switching characteristics makes it equally suitable for both high-frequency and fundamental-frequency converter topologies.

Quick Reference: FZ800R12KS4

Key Features:

• 800A continuous collector current rating for high-power density applications
• 1200V collector-emitter voltage (VCES) for medium-voltage system compatibility
• Infineon IGBT4 chip technology delivering optimized switching and conduction losses
• Integrated freewheeling diodes for complete half-bridge functionality
• High short-circuit ruggedness and reliable thermal cycling performance
• Industry-standard housing for straightforward drop-in replacement and system integration

Sourcing high-current IGBT modules like the FZ800R12KS4 can be a challenge, particularly when lead times from major distributors stretch into months or production schedules demand immediate availability. ATI Accurate Technology specializes in exactly these situations — stocking hard-to-find, long-lead-time, and obsolete power semiconductors to keep your operations moving. Whether you need a single replacement module or a larger quantity for production, ATI maintains inventory ready for rapid deployment.

ATI Accurate Technology is your trusted source for the Infineon FZ800R12KS4 and thousands of other power semiconductor components. Located in Palmetto, Florida, ATI serves engineers and procurement professionals across industries with competitive pricing, same-day shipping on orders placed before 5PM EST, and expert support. Contact us today at 239-734-7566 or email sales@igbts.us to check availability, request a quote, or place your order.