The 7MBR100VX120-51 is a Fuji power semiconductor module engineered for high-voltage switching and rectification in industrial power systems. Rated at 1200V, this module delivers the voltage blocking capability and thermal performance required in demanding converter and inverter topologies. As an obsolete part with a factory lead time of 99 weeks for any potential new production, locating verified stock through an experienced power semiconductor distributor is critical for both maintenance and production continuity. ATI Accurate Technology stocks this and similar legacy Fuji modules to keep your systems running.

Power semiconductor modules such as the 7MBR100VX120-51 are widely deployed in AC motor drives, industrial servo systems, UPS and energy storage inverters, induction heating equipment, and traction power supplies. Equipment manufacturers and MRO teams supporting CNC machinery, pumping stations, compressor drives, and crane controls frequently encounter this part during field replacements. Its compact module format simplifies heatsink mounting and bus-bar integration, making it a practical building block in both OEM designs and retrofit upgrades where space and thermal management are engineering constraints.

Quick Reference: 7MBR100VX120-51

Key Features of the 7MBR100VX120-51:

• 1200V collector-emitter voltage rating provides robust margin for industrial line voltages up to 690VAC
• 100A continuous current capability supports high-power motor drive and converter applications
• Integrated module construction reduces parasitic inductance and simplifies PCB and busbar layout
• Fuji's VX-series package offers optimized thermal resistance for efficient heat transfer to external heatsinks
• Designed for high-frequency switching performance with low switching losses in PWM inverter topologies
• Isolated baseplate construction ensures electrical isolation between circuit and heatsink mounting surface

The 7MBR100VX120-51 has been discontinued by Fuji Electric, and any factory order carries a lead time of 99 weeks — an unworkable timeline for most maintenance or production scenarios. Procurement teams supporting legacy equipment cannot afford to wait. Situations like this are precisely where a specialized power semiconductor distributor adds real value. ATI Accurate Technology actively sources and stocks obsolete and long-lead Fuji modules, providing engineering and procurement professionals with access to verified new OEM inventory when the factory supply chain is no longer a viable option.

ATI Accurate Technology is headquartered in Palmetto, Florida and specializes in IGBTs, thyristors, diodes, and rectifier modules — including obsolete and hard-to-find parts like the 7MBR100VX120-51. Orders placed before 5PM EST ship same day. Volume pricing is available for MRO stockers and OEM buyers. Contact our team directly at 239-734-7566 or sales@igbts.us to confirm availability and request a quote.