The Infineon FZ400R12KE3 is a 1200V, 400A IGBT module engineered for high-power industrial and traction applications where reliability, thermal management, and switching efficiency are critical. Based on Infineon's proven IGBT3 chip generation, this module features a dual (half-bridge) topology in a pressure-contact-compatible housing, offering low V_CE(sat) characteristics and a co-packaged freewheeling diode optimized for soft recovery. Its robust construction supports high continuous current demands and tight switching control in thermally challenging environments.

The FZ400R12KE3 is widely deployed in medium-voltage industrial motor drives, regenerative AC drive systems, UPS infrastructure, induction heating equipment, and railway traction inverters. Its 1200V blocking voltage and 400A current rating make it well-suited for three-phase converter stages operating from 480V to 690V AC bus architectures. Engineers specify this module in steel mill auxiliary drives, wind turbine converters, and large-format servo systems where long operational life and predictable switching losses directly impact system uptime and energy efficiency.

Quick Reference: FZ400R12KE3

Key Features of the FZ400R12KE3:

• 1200V V_CE(sat) blocking voltage with optimized low on-state voltage drop for reduced conduction losses at full load
• 400A rated collector current (T_C = 80°C) supporting high continuous power throughput in industrial converter stages
• Integrated soft-recovery freewheeling diodes minimize reverse recovery losses and reduce EMI in hard-switching topologies
• IGBT3 chip technology provides excellent short-circuit withstand capability (t_SC ≥ 10µs) for drive protection compliance
• Low thermal resistance (R_th(j-c)) enables efficient heat extraction through direct base-plate mounting to heatsink assemblies
• Compatible with standard Infineon gate driver reference designs, simplifying drop-in replacement in existing drive platforms

With a factory lead time of 99 weeks on new production orders, the FZ400R12KE3 presents a significant procurement challenge for maintenance teams managing unplanned failures or for OEMs scheduling production builds. Extended lead times at this scale are common across high-current IGBT modules, making distributor stock inventory the only practical path to near-term fulfillment. ATI Accurate Technology maintains ready inventory of hard-to-find and long-lead-time Infineon IGBT modules precisely for these scenarios, ensuring your line stays running without waiting two years for factory allocation.

ATI Accurate Technology is based in Palmetto, Florida and specializes in stocking power semiconductors that the market can't wait on. The FZ400R12KE3 ships same-day on orders received before 5PM EST. We serve maintenance engineers, OEM procurement teams, and MRO buyers with competitive pricing, volume discounts, and responsive technical support. Call us at 239-734-7566 or email sales@igbts.us to confirm availability, request a quote, or discuss volume pricing on the FZ400R12KE3.