The SEMIKRON SKKT15/16 is a dual-thyristor (SCR) power module delivering a 15A average on-state current and a 1600V repetitive peak off-state voltage (VDRM/VRRM). Built on SEMIKRON's proven isolated base construction, this module provides a low-profile, thermally efficient package suited for direct heatsink mounting. The integrated dual SCR topology simplifies PCB layout and mechanical assembly in phase-control and AC switching designs. With a low on-state voltage drop and well-defined gate trigger characteristics, the SKKT15/16 meets the demands of both new designs and direct replacement applications in legacy industrial equipment.

The SKKT15/16 is deployed across a broad range of industrial power electronics applications. Phase-controlled DC motor drives, AC soft-start systems, and resistive heating controllers rely on its precise gate trigger response and high blocking voltage capability. It is also used in UPS input rectifier stages, battery charging systems, welding power supplies, and crane or hoist drive systems where reliable SCR switching under variable load conditions is critical. OEM and MRO engineers consistently specify the SKKT15/16 in retrofit and repair scenarios where the module's voltage class and current rating match legacy system requirements exactly.

Quick Reference: SKKT15/16

Key Features of the SKKT15/16:

• 1600V VDRM/VRRM repetitive peak blocking voltage for high-line and industrial 3-phase applications
• 15A average on-state current (IT(AV)) with isolated copper base for direct heatsink mounting
• Dual SCR topology in a single module reduces component count and simplifies gate drive circuit layout
• Low gate trigger current (IGT) and well-characterized holding current (IH) for predictable phase-control performance
• High surge current capability (ITSM) supports inrush and fault-withstand requirements in motor drive and rectifier circuits
• SEMIKRON isolated base package ensures electrical isolation between heatsink and power circuit, meeting standard creepage and clearance requirements

The SKKT15/16 carries a factory lead time of approximately 36 weeks for new production from SEMIKRON, making proactive procurement essential for both OEM build schedules and MRO spare parts inventories. Equipment manufacturers supporting legacy drives, power supplies, or industrial controllers should not wait for a field failure before sourcing replacement modules. ATI Accurate Technology actively tracks inventory pipelines and distributor networks for long-lead and obsolescence-risk SEMIKRON parts, giving procurement teams a reliable escalation path when standard channels cannot deliver on schedule.

ATI Accurate Technology is headquartered in Palmetto, Florida and ships power semiconductor modules worldwide. We specialize in IGBTs, thyristors, diodes, and rectifier modules — including hard-to-find and long-lead-time parts like the SKKT15/16. Orders placed before 5PM EST ship same day when stock is available. Volume pricing is available for OEM and MRO quantity requirements. Call us at 239-734-7566 or email sales@igbts.us to check current availability and request a quote.