The SEMIKRON SKT240/14E is a high-power thyristor module combining a 240A average on-state current rating with a 1400V repetitive peak off-state voltage (VDRM/VRRM). Engineered on SEMIKRON's proven SKT platform, this module integrates thyristor elements in an isolated, base-plate-mounted housing optimized for efficient heat dissipation. It is designed for phase-controlled rectification, AC power controllers, and soft-start applications where thermal reliability and consistent gate triggering under high-current conditions are critical to system uptime and performance.

The SKT240/14E sees widespread deployment across heavy industrial environments including DC motor drives, crane and hoist controls, resistance welding equipment, electrochemical processing systems, and induction heating converters. Its robust voltage rating makes it well suited for 690V AC line inputs with adequate safety margin. The module is also used in UPS systems, battery charging infrastructure, and renewable energy inverter front-ends where controlled rectification at high current levels demands a thyristor module proven under continuous duty cycling and elevated junction temperatures.

Quick Reference: SKT240/14E

Key Features of the SKT240/14E:

• 240A average on-state current (IT(AV)) with high surge current capability for fault-tolerant designs
• 1400V VDRM/VRRM blocking voltage providing robust margin on 690V AC three-phase inputs
• Isolated copper base plate construction for direct heatsink mounting and low thermal resistance (Rth(j-c))
• Controlled gate trigger characteristics ensuring consistent dI/dt and dV/dt performance across operating temperature range
• Compact SKT module footprint enabling high power density in existing drive and rectifier chassis designs
• Compatible with standard SEMIKRON SKT footprint, simplifying form-fit-function replacement of legacy installations

The SKT240/14E carries a factory lead time of approximately 32 weeks for new production, placing it firmly in the long lead time category that can critically disrupt maintenance schedules and capital project timelines. Procurement teams supporting aging drive systems, OEM service departments, and MRO operations cannot afford to wait on standard factory queues when equipment is down. ATI Accurate Technology actively tracks market inventory and maintains relationships across authorized and independent distribution channels specifically to source high-demand SEMIKRON modules like the SKT240/14E ahead of schedule when possible.

ATI Accurate Technology is headquartered in Palmetto, Florida and ships power semiconductors same day on orders placed before 5PM EST. Our team supports engineers and procurement professionals sourcing IGBTs, thyristors, diodes, and rectifier modules—including obsolete and long lead time parts. For pricing, current stock status, and volume discounts on the SKT240/14E, call 239-734-7566 or email sales@igbts.us. Volume pricing is available.