The SEMIKRON SKKT27B16E is a dual thyristor (SCR) power module rated for 27A average on-state current and a 1600V repetitive peak off-state voltage (VDRM/VRRM). Built in SEMIKRON's industry-standard SKKT package, this module integrates two thyristors in a common-cathode or inverse-parallel configuration with an electrically isolated copper base plate. It is engineered for demanding phase-control and soft-switching applications where high blocking voltage and reliable gate triggering are critical. The combination of high voltage capability and compact module format makes it a proven choice across industrial power conversion systems.

The SKKT27B16E sees widespread use in AC motor soft-starters, DC drive converters, resistance welding controllers, crane and hoist drives, and industrial heating systems. Its 1600V blocking voltage provides the necessary margin for 690V AC line applications, while the isolated base plate allows direct mounting to a common heatsink without additional insulation hardware. The module is also found in UPS systems, power supplies for electrochemical processes, and retrofit applications where OEM thyristor modules must be replaced on aging but still-operational equipment.

Quick Reference: SKKT27B16E

Key Features of the SKKT27B16E:

• 1600V VDRM/VRRM blocking voltage — suitable for 690V AC three-phase line applications with full derating margin
• 27A average on-state current (IT(AV)) per thyristor element in standard SKKT dual-thyristor package
• Electrically isolated Al₂O₃ ceramic base plate for direct heatsink mounting without external insulation pads
• Low thermal resistance junction-to-case (RthJC) enabling efficient heat dissipation in high-cycle-rate phase-control circuits
• Gate triggering compatible with standard SCR gate driver ICs and pulse transformer circuits
• SEMIKRON SKKT package footprint — drop-in compatible with prior SKKT-series thyristor modules for field replacement

The SKKT27B16E carries a factory lead time of approximately 36 weeks for new production orders, placing it firmly in the long-lead-time category that challenges maintenance and procurement teams managing aging industrial equipment. SEMIKRON thyristor modules in the SKKT series are frequently required as direct replacements in installed drive systems and soft-starters where downtime costs are significant. ATI Accurate Technology actively sources these components through authorized and verified supply channels, maintaining access to inventory that can bridge the gap between urgent field demand and extended factory lead times.

ATI Accurate Technology is headquartered in Palmetto, Florida, and stocks a deep inventory of SEMIKRON thyristor modules, IGBTs, diodes, and rectifier assemblies. Orders placed before 5PM EST ship same day. Whether you need a single replacement module or volume quantities for an MRO program, our team is ready to assist. Call us at 239-734-7566 or email sales@igbts.us for real-time availability, volume pricing, and application support.