The 7MBP50RJ120-11 is a Fuji Electric RJ-series 6-in-1 IGBT power module combining a three-phase inverter bridge in a single compact package. Rated at 50 amperes and 1200 volts, this module integrates fast-switching IGBT chips with freewheeling diodes, delivering the low switching loss and high thermal performance that Fuji's RJ platform is known for. The -11 suffix designates an enhanced version with improved gate characteristics, making it a direct upgrade path for legacy designs built around earlier 7MBP50 variants. Its industry-standard footprint simplifies drop-in replacement in the field.

The 7MBP50RJ120-11 is well suited for AC motor drives, servo amplifiers, UPS systems, and industrial inverters in the 5–15 kW range. These applications are common across CNC machine tools, HVAC compressor drives, conveyor systems, robotics, and elevator controls. The module's integrated topology reduces PCB complexity and assembly time, making it a preferred choice for OEM drive manufacturers and MRO engineers maintaining legacy equipment in production environments where unplanned downtime carries significant operational cost.

Quick Reference: 7MBP50RJ120-11

Key Features of the 7MBP50RJ120-11:

• 1200V collector-emitter breakdown voltage with 50A continuous collector current rating
• 6-in-1 three-phase inverter bridge topology with integrated freewheeling diodes
• RJ-series low-loss IGBT chips optimized for switching frequencies up to 15–20 kHz
• Low V_CE(sat) for reduced conduction losses and improved thermal efficiency in continuous-duty applications
• Isolated copper base plate construction for direct heatsink mounting with standard thermal interface materials
• Enhanced gate drive characteristics (-11 variant) for improved dV/dt ruggedness and short-circuit withstand capability

The 7MBP50RJ120-11 has been discontinued by Fuji Electric, with new factory production carrying a 99-week lead time — effectively unavailable through standard distribution channels. For engineers supporting installed base equipment or OEMs with ongoing service obligations, locating certified open-market stock is the only viable path to maintaining uptime. Purchasing from a stocking specialist with documented traceability ensures authenticity and reduces the risk of counterfeit parts that are prevalent in the obsolete component market. Acting on available inventory now is strongly advisable given diminishing supply.

ATI Accurate Technology is a power semiconductor specialist stocking hard-to-find and obsolete IGBTs, modules, and thyristors from Palmetto, Florida. The 7MBP50RJ120-11 ships same day on orders placed before 5PM EST. Volume pricing is available for MRO stockers and OEM customers. Contact our team directly at 239-734-7566 or sales@igbts.us for real-time availability, datasheets, and quotes.