The Fuji Electric 7MBR75UB120-50 is a 1200V, 75A IGBT power module from the 7MBR UB-series, engineered for demanding switching applications requiring low saturation voltage, fast switching characteristics, and reliable thermal performance. The module integrates insulated gate bipolar transistors with freewheeling diodes in a compact, industry-standard package suited for direct mounting to heatsinks. Its robust construction and optimized gate drive compatibility make it a proven solution in high-frequency inverter topologies and industrial power conversion equipment operating across wide load ranges.

The 7MBR75UB120-50 is widely deployed in AC motor drive systems, variable frequency drives (VFDs), elevator and crane drive systems, UPS inverters, induction heating equipment, and industrial servo drives. Its 1200V blocking voltage provides adequate margin for 480V–690V AC bus applications, while the 75A continuous collector current rating supports mid-range motor control platforms. The part is commonly found on drive cards and inverter stacks in manufacturing, HVAC, material handling, and process automation environments where long equipment service life demands reliable component sourcing.

Quick Reference: 7MBR75UB120-50

Key Features of the 7MBR75UB120-50:

• 1200V collector-emitter voltage (VCES) with 75A continuous collector current rating for mid-power industrial drive applications
• Low VCE(sat) characteristics reduce conduction losses and improve overall inverter efficiency across partial and full load conditions
• Integrated freewheeling diodes optimized for fast reverse recovery, minimizing switching losses in PWM inverter topologies
• Industry-standard module footprint and pin configuration for direct drop-in replacement on compatible Fuji and third-party drive platforms
• Isolated baseplate construction with aluminum oxide or aluminum nitride substrate for effective thermal dissipation to heatsink
• Gate drive compatible with standard IGBT driver ICs, supporting switching frequencies typical of industrial VFD and servo applications

The 7MBR75UB120-50 is an obsolete Fuji Electric part with a new-production factory lead time of 99 weeks — effectively unavailable through standard distribution channels. For maintenance engineers managing aging drive systems, or procurement teams supporting long-lifecycle industrial equipment, locating verified open-market stock is the only practical path to keeping production lines operational. Sourcing from an experienced power semiconductor specialist with authenticated inventory significantly reduces the risk of counterfeit parts and supply chain delays that can result in costly unplanned downtime.

ATI Accurate Technology, based in Palmetto, Florida, specializes in hard-to-find, obsolete, and long-lead-time power semiconductors including IGBTs, thyristors, diodes, and rectifier modules. The 7MBR75UB120-50 is in stock and available for same-day shipment on orders placed before 5PM EST. Volume pricing is available. Contact our team at 239-734-7566 or sales@igbts.us to confirm availability, request a quote, or discuss your broader component requirements.