The Fuji Electric 2MBI300UE-120 is a dual-configuration IGBT module rated for 300A continuous collector current and 1200V blocking voltage. Built on Fuji's proven U-series IGBT platform, this module integrates two IGBT switches with co-packed freewheeling diodes into a single compact package, making it a preferred choice for engineers designing high-efficiency power stages where thermal management and switching performance are critical. The 1200V voltage class provides the necessary headroom for operation on 690VAC industrial bus systems and DC link voltages common in medium-power conversion equipment.

The 2MBI300UE-120 sees wide deployment across industrial variable frequency drives (VFDs), AC servo amplifiers, UPS systems, induction heating inverters, and regenerative drive platforms. Its dual topology is particularly well-suited as a half-bridge phase leg in three-phase inverter stacks, where paralleling or direct replacement of a single module simplifies assembly. Renewable energy converters, traction auxiliaries, and high-cycle industrial automation equipment also rely on this module class for reliable, repeatable switching performance across extended operational lifetimes.

Quick Reference: 2MBI300UE-120

Key Features of the 2MBI300UE-120:

• 300A rated collector current with 1200V VCES, suitable for 690VAC line-side and high-DC-link inverter topologies
• Dual IGBT configuration with integrated antiparallel freewheeling diodes, reducing external component count and board complexity
• Fuji U-series IGBT chip technology optimized for low saturation voltage (VCE(sat)) and reduced conduction losses at high duty cycles
• Isolated baseplate construction for direct heatsink mounting, supporting effective thermal dissipation in forced-air and liquid-cooled assemblies
• Gate drive compatibility with standard 15V/-8V bipolar gate signals; suitable for dedicated IGBT gate driver ICs without additional interface circuitry
• Designed for switching frequencies typical of industrial inverter applications, balancing switching loss against conduction loss across the operating range

With a factory lead time exceeding 99 weeks for new production, the 2MBI300UE-120 presents a significant sourcing challenge for both OEM production lines and MRO procurement teams managing unplanned downtime. Fuji's U-series modules in this current and voltage class are frequently backordered directly through distribution, leaving maintenance engineers without a clear path to fast replacement. ATI Accurate Technology maintains independent stock of hard-to-find and long-lead-time IGBT modules precisely for these situations, providing a reliable source when the standard supply chain cannot respond quickly enough to keep critical equipment running.

ATI Accurate Technology is located in Palmetto, Florida and specializes in power semiconductors including IGBTs, thyristors, diodes, and rectifier modules. Orders placed before 5PM EST ship same day. Whether you need a single replacement module or volume quantities for a production run, ATI offers competitive pricing and responsive service. Contact our team directly at 239-734-7566 or sales@igbts.us to confirm availability and request a quote.