The Mitsubishi PS21865-P is a fully integrated Intelligent Power Module combining a three-phase IGBT inverter bridge with built-in gate drive circuitry, overcurrent protection, undervoltage lockout, and thermal shutdown in a single compact package. Designed to simplify inverter design and reduce component count, the PS21865-P is engineered for reliable, high-efficiency switching in demanding power conversion environments. Its integrated protection functions actively safeguard both the module and the load, making it a preferred solution for engineers seeking a robust, self-contained power stage without extensive discrete drive circuitry.

The PS21865-P is widely deployed in fractional to low-horsepower variable-frequency drives (VFDs), HVAC inverter compressor drives, industrial sewing machines, pump and fan controllers, and small servo drive systems. Its compact DIP-style footprint is well-suited for space-constrained PCB layouts common in appliance inverters and commercial automation equipment. The module's integrated bootstrap power supply and fault output signal further reduce system-level design overhead, making it a go-to choice for OEM drive designers and field engineers performing board-level repairs on existing platforms.

Quick Reference: PS21865-P

Key Features of the PS21865-P:

• 600 V / 10 A three-phase IGBT inverter bridge with integrated freewheeling diodes
• Built-in gate drive and bootstrap power supply circuitry eliminates external driver ICs
• Integrated protection: overcurrent (SC), undervoltage lockout (UVLO), and overtemperature shutdown
• Open-collector fault output (FO) pin for direct interface to microcontroller or DSP fault logic
• Low-profile DIP-style transfer-mold package optimized for PCB mounting in space-constrained designs
• Compatible with 3.3 V and 5 V logic-level input signals for flexible microcontroller interfacing

With a factory lead time of 42 weeks for new production orders, the PS21865-P presents a genuine sourcing challenge for maintenance teams facing unplanned downtime and OEM procurement teams managing production schedules. Mitsubishi IPMs at this power level are in sustained demand across the HVAC and industrial automation sectors, and allocation pressures frequently extend published lead times further. Relying on distributor stock rather than factory order pipelines is often the only viable path for engineers who cannot afford multi-month delays on a critical drive repair or product build.

ATI Accurate Technology, located in Palmetto, Florida, maintains inventory of the PS21865-P and ships same-day on orders received before 5PM EST. We specialize in IGBTs, thyristors, diodes, and power modules — including hard-to-find and long-lead-time parts just like this one. Volume pricing is available for production and MRO procurement needs. Contact our team at 239-734-7566 or sales@igbts.us for a quote.