The SEMIKRON SKT40/06C is a single thyristor (SCR) module in the industry-standard SKT package, rated for 40A average on-state current and 600V repetitive peak off-state voltage (VDRM/VRRM). Designed for robust phase control and AC power regulation, the SKT40/06C features a low-profile isolated base package that simplifies heatsink mounting and system integration. Its electrically isolated copper base provides reliable thermal transfer in high-density power assemblies, making it a trusted solution for OEM equipment builders and field replacement applications in industrial environments.

The SKT40/06C is well-suited for a broad range of industrial power control applications including DC motor drives, soft starters, resistance heating systems, battery chargers, welding equipment, and crane and hoist control. Its thyristor topology supports half-wave and full-wave rectifier configurations as well as AC power switching circuits. Engineers frequently specify this module in legacy drive systems and process control equipment where precise, efficient power regulation is critical to uptime and production continuity. Replacement demand remains strong across steel, paper, plastics, and chemical processing industries.

Quick Reference: SKT40/06C

Key Features of the SKT40/06C:

• 40A average on-state current (IT(AV)) with 600V repetitive peak off-state voltage — suitable for medium-power phase control circuits
• Electrically isolated copper base plate enables direct heatsink mounting without additional insulation hardware, simplifying thermal management
• Standard SKT package footprint ensures mechanical and electrical interchangeability with SEMIKRON and compatible third-party thyristor modules
• Low thermal resistance junction-to-case (RthJC) supports high power dissipation in continuous-duty industrial applications
• Gate trigger characteristics optimized for compatibility with standard SCR firing cards and phase control ICs used in legacy and modern drive systems
• Designed and manufactured to SEMIKRON's stringent quality standards, ensuring consistent switching behavior and long operational service life

The SKT40/06C carries a factory lead time of approximately 27 weeks for new production, which is typical for SEMIKRON thyristor modules in this class given current semiconductor supply chain conditions. For procurement teams managing planned maintenance shutdowns or OEM production schedules, early ordering is strongly advised. ATI Accurate Technology actively tracks pipeline inventory and distributor channels for long lead time and allocated SEMIKRON components, helping customers avoid costly equipment downtime while navigating extended delivery windows. Contact ATI early to secure allocation and confirm lead time against your project schedule.

ATI Accurate Technology is located in Palmetto, Florida and specializes in IGBTs, thyristors, diodes, and power modules — including hard-to-find and long lead time parts like the SKT40/06C. Orders placed before 5PM EST ship same day when stock is available. Volume pricing is available for OEM and MRO customers. Call 239-734-7566 or email sales@igbts.us to check current availability and request a quote.