The SEMIKRON SKM145GAL174DN is a 1700V, 145A IGBT module engineered for high-power switching applications where reliability and thermal performance are non-negotiable. Built to SEMIKRON's established SKiM and SKM platform standards, this module integrates an IGBT with a freewheeling diode in a robust housing optimized for low-inductance bus connections and efficient heat dissipation. Its 1700V blocking voltage and 145A continuous collector current rating position it squarely in medium-to-high power industrial converter designs requiring proven, field-hardened semiconductor technology.

The SKM145GAL174DN is widely specified in industrial motor drives, regenerative AC/DC converters, UPS systems, solar and wind energy inverters, induction heating equipment, and rail traction auxiliaries. Any application demanding reliable 1700V-class switching with low switching losses and tight gate charge characteristics will benefit from this module's performance envelope. OEM equipment manufacturers and MRO maintenance teams across steel, mining, oil and gas, and transit sectors regularly rely on this part to keep critical systems online.

Quick Reference: SKM145GAL174DN

Key Features of the SKM145GAL174DN:

• 1700V VCES blocking voltage for high-voltage bus architectures and demanding conversion topologies
• 145A continuous collector current rating with high pulsed current capability for overload conditions
• Integrated fast-recovery freewheeling diode optimized for low reverse recovery charge (Qrr), reducing switching losses in PWM inverter stages
• Low VCEsat characteristics minimize conduction losses across the operating current range, improving overall system efficiency
• Optimized gate charge and switching speed parameters compatible with standard IGBT gate driver designs at 15V gate drive
• Robust SKM-series baseplate and housing construction delivers low thermal resistance (Rth(j-c)) and reliable clamping torque interface for heatsink mounting

With a 28-week factory lead time, the SKM145GAL174DN is a part that punishes reactive purchasing. SEMIKRON's 1700V module class is subject to extended production queues driven by high demand in renewable energy and industrial drive markets. For MRO operations supporting aging equipment, the risk of an unplanned outage while waiting nearly seven months for factory stock is unacceptable. ATI Accurate Technology actively stocks and sources hard-to-find and long-lead-time SEMIKRON IGBT modules, giving procurement teams and maintenance engineers a faster path to the parts they need when the factory queue simply isn't an option.

ATI Accurate Technology is based in Palmetto, Florida and ships same-day on orders placed before 5PM EST. We specialize in IGBTs, thyristors, diodes, and rectifier modules—including obsolete and long-lead-time parts. Call us at 239-734-7566 or email sales@igbts.us to check stock on the SKM145GAL174DN. Volume pricing is available for larger quantity requirements.