The Infineon TD250N18KOF is a robust power semiconductor module rated for 250A continuous current and 1800V blocking voltage, engineered for demanding high-voltage switching and rectification applications. Built to Infineon's established module platform standards, this device delivers reliable thermal performance and low on-state losses critical in high-cycle industrial environments. Whether you are replacing a failed unit in an active system or sourcing spares for planned maintenance, the TD250N18KOF provides the voltage headroom and current capacity required in serious power conversion infrastructure.

The TD250N18KOF is well-suited for medium-voltage AC and DC drive systems, regenerative braking inverters, industrial UPS platforms, traction converters, welding power supplies, and large-format motor control equipment. Its 1800V voltage class makes it a preferred choice in applications where transient overvoltages from inductive loads and long cable runs demand additional margin beyond standard 1200V or 1600V devices. Industries including steel, mining, oil and gas, marine propulsion, and rail traction routinely specify modules in this voltage and current class.

Quick Reference: TD250N18KOF

Key Features of the TD250N18KOF:

• 1800V repetitive peak off-state voltage (VDRM/VRRM) providing substantial margin in high-transient industrial circuits
• 250A average on-state current rating suitable for high-power rectifier and converter stages
• Isolated baseplate construction for direct heatsink mounting and simplified thermal management in module-based power stacks
• Low thermal resistance junction-to-case (RthJC) enabling efficient heat dissipation in continuous-duty applications
• Optimized gate/trigger characteristics for reliable firing in phase-control and pulse-width modulation topologies
• Rugged package platform consistent with Infineon's industrial module portfolio, supporting straightforward form-fit-function replacement in existing equipment

At 99 weeks factory lead time, the TD250N18KOF represents exactly the type of long-lead, hard-to-source component that can halt production or delay a capital project. Infineon's high-voltage module series in this current and voltage class is subject to extended manufacturing queues driven by raw material constraints and specialized fabrication requirements. Procurement teams managing MRO inventories or equipment OEMs building forward stock cannot rely on factory order cycles to cover unplanned demand. Sourcing from a stocking distributor with verified new OEM inventory is the only reliable path to minimizing downtime exposure on these devices.

ATI Accurate Technology, located in Palmetto, Florida, specializes in power semiconductors including IGBTs, thyristors, diodes, and rectifier modules — with particular depth in obsolete, long-lead, and hard-to-find parts like the TD250N18KOF. We ship same-day on orders received before 5PM EST and offer volume pricing for MRO programs and OEM builds. Contact our team directly at 239-734-7566 or sales@igbts.us to confirm availability and receive a quote.