The Infineon F4-50R12KS4 is a high-performance IGBT power module rated at 1200V and 50A, engineered for efficiency and reliability in high-frequency industrial switching environments. Constructed on Infineon's proven KS4 platform, this module integrates fast-recovery freewheeling diodes and features optimized chip design for reduced switching losses and improved thermal cycling capability. Its robust housing and isolated copper base ensure dependable performance in thermally demanding drive and converter applications where uptime and efficiency are non-negotiable.

The F4-50R12KS4 is well suited for a broad range of industrial power electronics applications, including AC variable frequency drives, servo motor controllers, UPS systems, solar inverters, and induction heating equipment. Its 1200V blocking voltage and 50A continuous current rating make it a practical choice for medium-power three-phase converters and single-phase bridge topologies. Engineers working on industrial automation, HVAC drive systems, and regenerative braking applications will find the electrical and mechanical characteristics of this module align with demanding operational profiles.

Quick Reference: F4-50R12KS4

Key Features of the F4-50R12KS4:

• 1200V VCES and 50A IC rating providing ample headroom for medium-power industrial converter designs
• Integrated fast-recovery antiparallel freewheeling diodes for optimized commutation performance
• Low VCEsat characteristics reduce conduction losses and improve overall system efficiency
• Electrically isolated copper base plate facilitates reliable thermal management with standard heatsink mounting
• Infineon KS4 platform construction offers enhanced power cycling and thermal fatigue resistance for extended service life
• Industry-standard module footprint supports drop-in replacement in existing drive and inverter designs

With a current factory lead time of 99 weeks, sourcing the F4-50R12KS4 through standard distribution channels presents a serious risk for production schedules and unplanned maintenance events. Equipment downtime waiting on new production is not a viable option for most facilities. ATI Accurate Technology maintains inventory of hard-to-find, long-lead-time, and obsolete power semiconductors precisely for these situations. Whether you need a single replacement module or a larger quantity for a repair depot or OEM build, ATI provides immediate access to new OEM stock without the extended wait.

ATI Accurate Technology is located in Palmetto, Florida and ships same-day on orders placed before 5PM EST. The F4-50R12KS4 is in stock now as a new OEM part. Contact our team for volume pricing, technical questions, or expedited sourcing support. Call us at 239-734-7566 or email sales@igbts.us — we're ready to help you keep your equipment running.