The Mitsubishi PS21867-P is a sixth-generation Intelligent Power Module (IPM) engineered for high-efficiency 3-phase inverter applications. This device integrates six IGBT switches with optimized gate drive circuitry, fault output, and comprehensive on-chip protection functions — including overcurrent, undervoltage lockout, and thermal shutdown — into a single isolated package. The integrated architecture reduces board space, simplifies thermal management, and significantly shortens design-to-production timelines compared to discrete IGBT implementations. It is a direct-fit solution for engineers designing or repairing compact variable frequency drives and inverter-based motor control systems.

The PS21867-P is widely deployed across industrial and commercial power conversion platforms where compact form factor, reliability, and integrated protection are priorities. Typical applications include variable frequency drives (VFDs) for pumps, fans, and conveyors; HVAC inverter compressor drives; elevator and escalator traction controls; industrial sewing and textile machinery; and general-purpose 3-phase AC servo amplifiers. Its integrated bootstrap power supply circuit is especially valued in cost-sensitive designs where a dedicated isolated gate drive power supply would add unacceptable BOM cost and PCB real estate.

Quick Reference: PS21867-P

Key Features of the PS21867-P:

• 600V / 30A 3-phase IGBT inverter bridge with integrated freewheeling diodes for complete half-bridge topology in a single module
• On-chip protection suite: overcurrent (SC) shutdown, undervoltage lockout (UVLO) on all gate drive supplies, and overtemperature (OT) fault with open-collector fault output pin
• Integrated bootstrap power supply circuit eliminates the need for separate isolated high-side gate drive supplies, reducing BOM complexity
• Low-loss 6th-generation Mitsubishi IGBT chips optimized for switching frequencies in the 5–20 kHz range typical of motor drive applications
• Fully isolated DIP-IPM package with UL-recognized isolation voltage rating, simplifying creepage and clearance compliance in end equipment
• Direct pin-compatible with other devices in the PS2186x-P series, facilitating current rating migration without PCB redesign

With a current factory lead time of 43 weeks on new production orders, the PS21867-P presents a genuine supply chain risk for OEM production lines and MRO replacement programs alike. End-of-life and allocation pressures on sixth-generation Mitsubishi IPMs have made spot inventory increasingly scarce through standard distribution channels. Procurement professionals supporting active production or managing field spares inventory for installed VFD and motor drive equipment cannot afford to wait on factory lead times. Sourcing from a stocking distributor with verified new OEM inventory is the most reliable path to maintaining uptime and schedule.

ATI Accurate Technology is a power semiconductor distributor based in Palmetto, Florida, stocking hard-to-find, long-lead-time, and obsolete devices including the PS21867-P. Orders placed before 5PM EST ship same day. Volume pricing is available for MRO and OEM procurement. Contact our team directly at 239-734-7566 or sales@igbts.us for availability confirmation, lead time, and quantity pricing. We are ready to support both emergency single-unit needs and larger blanket order requirements.