The SEMIKRON SKKL162/18E is a high-current, high-voltage rectifier diode module from SEMIKRON's established SKKL series. Rated at 162A continuous DC output current and 1800V repetitive peak reverse voltage (VRRM), this module is engineered for three-phase bridge rectifier topologies where thermal stability, low forward voltage drop, and rugged packaging are critical. The SKKL162/18E features SEMIKRON's proven pressure-contact construction within a compact, industry-standard footprint, making it a direct form-fit-function solution for OEM and MRO replacement applications.

The SKKL162/18E is widely deployed in industrial drives, regenerative braking systems, UPS infrastructure, induction heating equipment, DC power supplies, and heavy-duty welding converters. Its 1800V voltage class provides the necessary margin for 690VAC three-phase line inputs, while the 162A current rating supports medium-to-high power front-end rectifier stages. Engineers specifying or replacing rectifier bridges in crane drives, elevator controls, marine propulsion auxiliaries, and oil & gas VFD systems will find this module a reliable and dimensionally compatible solution across a broad range of legacy and current platforms.

Quick Reference: SKKL162/18E

Key Features of the SKKL162/18E:

• 1800V repetitive peak reverse voltage (VRRM) — suitable for 690VAC three-phase rectifier front ends with full voltage margin
• 162A average DC output current rating for medium-to-high power rectification in demanding continuous-duty cycles
• SEMIKRON SKKL-series industry-standard package with isolated baseplate for straightforward heatsink integration and electrical isolation
• Low forward voltage drop (VF) minimizes conduction losses and reduces thermal stress across the full operating current range
• Three-phase bridge rectifier internal topology — simplifies BOM and reduces assembly complexity versus discrete diode configurations
• Designed for high thermal cycling endurance, making it well-suited for dynamic load profiles in drive and traction applications

With a factory lead time of approximately 33 weeks for new production, the SKKL162/18E presents a genuine procurement challenge for maintenance teams managing unplanned downtime or project timelines. SEMIKRON's SKKL-series modules are frequently found in aging industrial platforms where replacement inventory is exhausted or no longer stocked through standard distribution channels. ATI Accurate Technology maintains active sourcing networks for long-lead-time and hard-to-find SEMIKRON product, and our team can advise on current availability, verified surplus stock, and compatible cross-reference options when direct replacements are constrained.

ATI Accurate Technology is headquartered in Palmetto, Florida, and ships same-day on orders received before 5PM EST. We stock IGBTs, rectifier modules, thyristors, and diodes from leading manufacturers including SEMIKRON, and specialize in supporting procurement professionals and maintenance engineers who can't afford to wait. Call us at 239-734-7566, email sales@igbts.us, or request a quote online. Volume pricing is available — reach out to discuss your project requirements.