The Mitsubishi QM30TB-2HB is a 600V, 30A IGBT power module engineered for reliable switching performance in industrial power conversion systems. Constructed in Mitsubishi's established dual-in-line power module package, this device integrates insulated gate bipolar transistor technology with a fast recovery freewheeling diode, minimizing switching losses and thermal stress under continuous operation. Its robust isolation and low saturation voltage characteristics make it a dependable choice for engineers designing or maintaining systems where uptime and thermal efficiency are non-negotiable requirements.

The QM30TB-2HB is widely deployed in AC motor drives, variable frequency drives (VFDs), servo amplifiers, UPS systems, and general-purpose industrial inverters. Its 600V blocking voltage and 30A continuous collector current rating suit it for mid-power drive stages across manufacturing, HVAC, pumping, and material handling equipment. The module is also found in induction heating systems and switching power supplies where compact footprint, low gate drive requirements, and predictable switching behavior are essential to system stability and longevity.

Quick Reference: QM30TB-2HB

Key Features of the QM30TB-2HB:

• 600V collector-emitter breakdown voltage (VCES) suitable for 3-phase 230V/400V inverter topologies
• 30A continuous collector current (IC) with defined pulse current capability for transient load handling
• Integrated fast recovery freewheeling diode (FWD) reduces external component count and simplifies gate drive design
• Low VCE(sat) minimizes conduction losses and reduces heatsink size requirements in thermally constrained enclosures
• Isolated baseplate construction provides electrical isolation between the power circuit and heatsink for simplified mechanical mounting
• Compatible with standard Mitsubishi QM-series footprint, enabling direct drop-in replacement in existing drive platforms without PCB modification

With a factory lead time of 35 weeks for new production, the QM30TB-2HB presents a significant procurement challenge for maintenance teams facing unplanned equipment failures or engineers managing production schedules. Mitsubishi's legacy QM-series modules are no longer in active high-volume production, making distributor stock the practical path for most buyers. Sourcing from a stocking distributor eliminates the risk of extended downtime caused by new-order lead times and avoids the traceability concerns associated with gray-market channels. ATI maintains verified OEM inventory to support both emergency replacement and planned procurement needs.

ATI Accurate Technology is a power semiconductor distributor based in Palmetto, Florida, specializing in IGBTs, thyristors, diodes, and rectifier modules — including hard-to-find and long-lead-time parts like the QM30TB-2HB. Orders placed before 5PM EST ship same day. Contact our team for volume pricing, cross-reference assistance, or application support: call 239-734-7566 or email sales@igbts.us.