The Fuji 6MBI35S-120 is a six-pack IGBT module integrating six insulated gate bipolar transistors in a single housing, rated for 35 amperes continuous collector current and 1200 volts collector-emitter voltage. This compact, self-contained three-phase bridge configuration simplifies inverter designs by reducing component count, bus bar complexity, and assembly time. Built to Fuji's S-series IGBT platform, this module delivers low switching losses, controlled short-circuit behavior, and stable thermal performance — characteristics that make it a dependable choice for demanding industrial power electronics environments.

The 6MBI35S-120 is well-suited for three-phase AC motor drive inverters, servo amplifiers, UPS systems, and industrial power conditioning equipment operating in the medium-power range. Its 1200V blocking capability provides adequate margin for 480VAC and 690VAC bus applications when accounting for line transients and DC bus overshoot. Engineers specify this module in variable frequency drives for HVAC systems, CNC spindle drives, pumping stations, and conveyor control systems where reliable, low-loss switching is essential to system efficiency and uptime.

Quick Reference: 6MBI35S-120

Key Features of the 6MBI35S-120:

• Six-pack three-phase bridge topology integrates all six switching elements in a single isolated baseplate module, reducing PCB real estate and system wiring complexity
• 1200V VCES rating provides design headroom for rectified 480VAC and 690VAC DC bus voltages with transient protection margin
• 35A continuous collector current rating supports medium-power drive and inverter applications without paralleling
• Low VCE(sat) characteristics minimize conduction losses and heat generation at rated current, supporting higher switching frequencies
• Integrated freewheeling diodes on each IGBT switch enable full four-quadrant operation without external diode components
• Isolated copper baseplate construction facilitates direct mounting to heatsink with standard thermal interface materials for simplified thermal management

New production of the 6MBI35S-120 carries a 99-week factory lead time — nearly two years — making open-market stock the only realistic option for scheduled maintenance, emergency replacement, or ongoing production builds. Drives and inverters utilizing this module are frequently found in aging installed equipment that remains mechanically sound, creating sustained demand for a part that standard distribution channels cannot reliably supply. Procurement teams managing MRO spares or OEM service parts inventories should secure stock now to avoid costly production stoppages or field downtime waiting on factory allocation.

ATI Accurate Technology is a power semiconductor distributor based in Palmetto, Florida, specializing in IGBTs, thyristors, diodes, and rectifier modules — including hard-to-find and long-lead-time parts like the 6MBI35S-120. Orders placed before 5PM EST ship same day. Contact our team for real-time stock confirmation, volume pricing, and sourcing support: 239-734-7566 | sales@igbts.us.