The IXYS MCC19-161O8B is a single-phase thyristor (SCR) module offering a 19A average on-state current rating and a 1600V repetitive peak off-state voltage (VDRM/VRRM). Housed in a standard bolt-down module package, this device is engineered for consistent gate triggering sensitivity, low on-state voltage drop, and robust thermal performance. The high blocking voltage class makes it well-suited for applications operating directly from rectified mains or high-voltage DC buses where transient immunity and reliable commutation are non-negotiable design requirements.

The MCC19-161O8B sees regular deployment in AC power controllers, soft starters, phase-angle firing circuits, DC motor drives, heating element control systems, and industrial power conditioning equipment. Its voltage rating is particularly valuable in 690V AC three-phase systems and in applications requiring substantial voltage derating margins for long-term field reliability. OEM machine builders, energy management system integrators, and industrial MRO teams specify this module wherever a rugged, thermally efficient thyristor solution is required in a space-constrained board or chassis design.

Quick Reference: MCC19-161O8B

Key Features of the MCC19-161O8B:

• 1600V repetitive peak off-state voltage rating provides robust transient margin in high-line and 690V AC system designs
• 19A average on-state current (IT(AV)) with low on-state voltage drop (VTM) for reduced conduction losses and cooler thermal operation
• Isolated baseplate construction simplifies heatsink mounting and eliminates the need for insulating hardware in multi-device assemblies
• Gate triggering parameters optimized for standard SCR firing circuits and phase-control gate driver ICs
• High dV/dt and dI/dt ratings support operation in electrically noisy industrial environments without spurious turn-on events
• Compact module footprint with industry-standard bolt-down terminals enables direct drop-in replacement in existing equipment platforms

With a current factory lead time of 99 weeks for new production, the MCC19-161O8B represents exactly the kind of long-lead-time, hard-to-source component that can halt a production line or delay a critical repair. Whether you are managing MRO inventory, executing an emergency field repair, or designing a system that demands supply chain certainty, relying solely on factory order cycles is not a viable strategy. ATI Accurate Technology maintains ready stock of obsolete, long-lead, and specialty power semiconductors like the MCC19-161O8B specifically to protect procurement teams and maintenance engineers from extended downtime and schedule risk.

ATI Accurate Technology is headquartered in Palmetto, Florida and ships same-day on orders placed before 5PM EST. Our team specializes in IGBTs, thyristors, diodes, and rectifier modules—including hard-to-find and discontinued parts. Contact us for volume pricing, cross-reference assistance, or application questions. Call 239-734-7566 or email sales@igbts.us.