The SEMIKRON SKR3F20/16 is a single-phase thyristor (SCR) module offering a 20A average on-state current rating and a 1600V repetitive peak off-state voltage (VDRM/VRRM). Housed in SEMIKRON's compact F-series module package, this device provides isolated baseplate construction for simplified heatsink mounting and robust gate-trigger interface characteristics. It is engineered for high-reliability operation in line-commutated converter topologies where controlled turn-on, low on-state losses, and high blocking voltage capability are critical design requirements.

The SKR3F20/16 is well suited for industrial AC/DC converters, motor soft-starters, DC motor drives, battery chargers, welding power supplies, and phase-control power regulators. Its 1600V blocking rating provides the necessary voltage margin for 690V and 480V three-phase mains applications. Maintenance engineers specifying replacement modules for legacy SEMIKRON-based drive platforms and OEM procurement teams managing MRO inventory will find this module a direct, reliable solution in controlled rectifier bridge assemblies and power regulation circuits.

Quick Reference: SKR3F20/16

Key Features of the SKR3F20/16:

• 1600V repetitive peak off-state and reverse blocking voltage (VDRM/VRRM) for high-mains-voltage converter designs
• 20A average on-state current (IT(AV)) with isolated copper baseplate for direct heatsink mounting
• SEMIKRON F-series module package provides standardized footprint for drop-in replacement in existing drive and converter assemblies
• Gate-cathode trigger interface designed for compatibility with standard SCR gate-drive circuits and firing boards
• Low on-state voltage drop (VT) minimizes conduction losses in continuous phase-control applications
• Suitable for operating junction temperatures up to 125°C, supporting high-ambient industrial enclosure environments

With a factory production lead time currently at 99 weeks, the SKR3F20/16 presents a significant sourcing challenge for maintenance and procurement teams managing unplanned downtime or scheduled drive overhauls. SEMIKRON's legacy F-series thyristor modules are frequently required in equipment that cannot be easily redesigned around a substitute part. ATI Accurate Technology maintains active sourcing channels for long-lead-time and allocated SEMIKRON devices, including authorized and verified supply pipelines, giving customers a practical path to securing genuine product ahead of critical need.

ATI Accurate Technology is headquartered in Palmetto, FL, and ships same-day on orders placed before 5PM EST. We specialize in IGBTs, thyristors, diodes, and rectifier modules — including obsolete and long-lead-time parts. Call us at 239-734-7566 or email sales@igbts.us for real-time availability, datasheet support, and volume pricing on the SKR3F20/16. Whether you need a single replacement module or a blanket order, ATI delivers the responsiveness your operations require.