The SKKD46/02 is a SEMIKRON dual rectifier diode module rated for 46A average forward current and a 200V repetitive peak reverse voltage (VRRM). Built in the industry-standard SEMIPACK 1 package, this module integrates two power diodes in a common cathode or common anode configuration suitable for half-bridge, freewheeling, and input rectifier stages. Its low forward voltage drop and robust thermal interface make it well-suited for demanding continuous-duty applications where efficiency, compactness, and reliable thermal management are critical design requirements.

The SKKD46/02 sees widespread deployment across industrial drives, UPS systems, soft starters, welding inverters, and battery chargers. It is commonly used in three-phase bridge rectifier front ends, DC bus pre-charge circuits, and flyback freewheeling stages. Power electronics engineers also specify this module in regenerative drive platforms and HVAC motor controllers where compact, high-reliability rectification is required. Its pin-compatible SEMIPACK footprint simplifies board-level integration and enables direct replacement of aged or failed modules in existing installed equipment.

Quick Reference: SKKD46/02-SEMIKRON

Key Features of the SKKD46/02-SEMIKRON:

• 46A average forward current (I_FAV) with 200V repetitive peak reverse voltage (V_RRM) for low-voltage industrial rectifier stages
• Dual diode configuration in a SEMIPACK 1 package enabling half-bridge, freewheeling, and full-bridge circuit topologies
• Low forward voltage drop (V_F) minimizes conduction losses and reduces heat sink size requirements in high-cycle applications
• Isolated copper baseplate with standard SEMIPACK mounting footprint for direct drop-in replacement in legacy and current-generation equipment
• High surge current capability (I_FSM) provides robustness against transient inrush events common in transformer and motor drive front ends
• RoHS-compliant construction with soldering and pressure-contact termination options compatible with standard power module assembly processes

SEMIKRON SKKD-series modules have experienced tightening availability across distribution channels as production allocations shift and legacy product lines approach end-of-life status. Lead times from broadline distributors can extend to 16–26 weeks during constrained periods, creating significant risk for MRO and production line maintenance programs. ATI Accurate Technology maintains dedicated inventory of hard-to-find SEMIKRON rectifier modules precisely for these situations, providing engineers and procurement teams with a dependable source when standard channels cannot deliver on schedule.

ATI Accurate Technology is located in Palmetto, FL, and specializes in power semiconductors including IGBTs, diodes, thyristors, and rectifier modules. Orders placed before 5PM EST ship same-day. Contact our team for volume pricing, cross-reference support, and obsolete part sourcing. Call 239-734-7566 or email sales@igbts.us — we respond fast and stock what others cannot find.