The Sanrex SG16AA40 is a 16A power semiconductor module engineered for demanding industrial power electronics applications. Sanrex modules are recognized for their rugged construction, reliable thermal performance, and consistent switching characteristics — qualities that made this series a long-standing choice for OEM equipment designers and systems integrators. With the SG16AA40 now classified as obsolete and factory lead times stretching to 99 weeks for any new production runs, securing verified stock from a trusted distributor is the only practical path for maintenance and repair operations.

The SG16AA40 is well suited for AC motor drives, servo amplifiers, uninterruptible power supplies, industrial welding equipment, and general-purpose rectifier assemblies. Its compact module format simplifies integration into existing equipment designs, reducing board space and assembly complexity compared to discrete component alternatives. Industries including manufacturing automation, material handling, HVAC systems, and process control equipment commonly rely on Sanrex modules of this class to maintain uptime in critical power conversion stages.

Quick Reference: SG16AA40

Key Features of the SG16AA40:

• 16A continuous current rating suitable for medium-power industrial drive and rectifier circuits
• Sanrex module construction with isolated baseplate for simplified heatsink mounting and thermal management
• Compact, industry-standard module footprint compatible with existing PCB and chassis designs
• Optimized for low forward voltage drop, reducing conduction losses in continuous-duty applications
• Robust encapsulation provides resistance to vibration, humidity, and industrial operating environments
• Designed for compatibility with standard gate drive and snubber circuit configurations used in legacy equipment

The SG16AA40 has been discontinued by Sanrex, and any new production carries a 99-week lead time — effectively making factory orders impractical for urgent maintenance and repair needs. For facilities running equipment built around this module, an unexpected failure without a spare on hand can mean extended and costly downtime. Procurement teams supporting aging platforms should treat the SG16AA40 as a long-term stocking priority. ATI Accurate Technology specializes in exactly this scenario: sourcing and supplying obsolete and hard-to-find power semiconductors from verified stock, not brokers with uncertain traceability.

ATI Accurate Technology is based in Palmetto, Florida, and stocks IGBTs, thyristors, diodes, rectifier modules, and power semiconductor modules including obsolete and long-lead-time parts like the SG16AA40. Orders placed before 5PM EST ship same day. Contact our team directly for pricing, volume discounts, and availability: call 239-734-7566 or email sales@igbts.us. Volume pricing is available for MRO stocking orders and OEM replacement programs.