The Fuji 6MBI75S-140 is a 6-pack IGBT power module combining six insulated gate bipolar transistors in a single package, rated for 75A continuous collector current and 1400V collector-emitter voltage. This module integrates freewheeling diodes anti-parallel to each IGBT switch, making it well-suited for three-phase bridge inverter topologies. Designed for high switching frequency operation with low saturation voltage characteristics, the 6MBI75S-140 is part of Fuji's S-series IGBT lineup, which prioritized robustness and thermal efficiency in demanding drive and conversion applications.

The 6MBI75S-140 is widely deployed in AC motor drives, elevator and crane drive systems, industrial servo amplifiers, UPS systems, and general-purpose three-phase inverter systems where a compact, high-voltage power stage is required. Its 1400V blocking voltage provides an appropriate safety margin for 690V AC bus applications. The six-pack configuration reduces component count, simplifies gate drive layout, and lowers overall system assembly cost — factors that make this module a longstanding preference in OEM industrial equipment across manufacturing, material handling, and process automation sectors.

Quick Reference: 6MBI75S-140

Key Features of the 6MBI75S-140:

• 75A collector current rating with 1400V CE voltage for robust high-voltage inverter designs
• 6-pack topology integrates upper and lower switches for all three phases in one module
• Integrated anti-parallel freewheeling diodes eliminate external rectifier components
• Low V_CE(sat) characteristic reduces conduction losses at rated current
• Isolated base plate construction supports direct heatsink mounting with standard thermal interface materials
• Compatible with standard Fuji S-series gate drive circuits and reference designs

The 6MBI75S-140 has been discontinued by Fuji Electric, and new production carries a 99-week factory lead time — effectively unavailable through standard distribution channels. For maintenance engineers supporting legacy equipment or procurement teams managing end-of-life spare parts inventory, this creates serious operational risk. Sourcing from a specialist distributor with physical stock is the only reliable path to keeping installed equipment running without an extended downtime event. Cross-referencing alternative part numbers should be approached carefully given the voltage class and topology specifics of this module.

ATI Accurate Technology, based in Palmetto, Florida, stocks the 6MBI75S-140 and specializes in hard-to-find, obsolete, and long-lead-time power semiconductors including IGBTs, thyristors, diodes, and rectifier modules. Orders placed before 5PM EST ship same day. Volume pricing is available for MRO and OEM procurement. Contact our team directly at 239-734-7566 or sales@igbts.us to confirm availability and lead time.