The 7MBR50SB120B-50 is a Fuji Electric 7-in-1 SB-series IGBT module offering a 50A continuous collector current rating and a 1200V blocking voltage. This module integrates seven insulated gate bipolar transistors along with internal freewheeling diodes, delivering a compact and thermally efficient solution for demanding power conversion applications. The SB-series platform is well regarded for its low switching losses, high-speed switching performance, and robust short-circuit withstand capability, making it a preferred choice in industrial power electronics designs.

Applications for the 7MBR50SB120B-50 include three-phase AC motor drives, industrial inverters, servo drive systems, uninterruptible power supplies (UPS), solar inverters, and general-purpose variable frequency drives. The module's high voltage rating and integrated topology reduce external component count and simplify PCB layout in medium-power converter designs operating from standard three-phase AC lines.

Quick Reference: 7MBR50SB120B-50

Key Features:

• 50A continuous collector current and 1200V VCES rating for medium-power inverter designs
• 7-in-1 configuration integrates six main IGBTs plus one brake IGBT with internal freewheeling diodes
• Low saturation voltage (VCE(sat)) for reduced conduction losses and improved thermal management
• High-speed switching capability suitable for PWM-controlled motor drive and inverter applications
• Built-in short-circuit withstand time for enhanced system protection and reliability
• Compact SB-series module package simplifies mechanical mounting and reduces system footprint

The 7MBR50SB120B-50 is a long-lead-time and increasingly hard-to-find component across standard distribution channels. Fuji Electric SB-series modules are widely used in legacy and current-generation industrial drive platforms, which means availability can be critical for both new production and field repair scenarios. ATI Accurate Technology maintains inventory of Fuji IGBT modules including the 7MBR50SB120B-50 to support OEM procurement, MRO sourcing, and emergency replacement needs.

ATI Accurate Technology is a specialized power semiconductor distributor based in Palmetto, Florida, serving customers worldwide with IGBTs, thyristors, diodes, and rectifier modules. We stock hard-to-find, obsolete, and long-lead-time parts so your production line stays running. Orders placed before 5PM EST ship the same day. Contact our team at 239-734-7566 or sales@igbts.us to confirm availability, request a quote, or discuss volume pricing on the 7MBR50SB120B-50.