The IXYS MCC95-18IO8B is a high-voltage thyristor (SCR) module rated at 95A and 1800V, housed in the industry-standard IO8B package. Designed for phase-controlled rectification, AC power regulation, and soft-start applications, this module combines a rugged ceramic substrate with isolated baseplate construction to ensure thermal reliability under continuous industrial loading. Its 1800V voltage class provides substantial margin in line-connected systems operating from medium-voltage sources, making it a dependable choice for engineers who cannot afford unplanned downtime or field failures.

The MCC95-18IO8B sees wide deployment across industrial power conversion equipment including DC motor drives, resistance heating controllers, electrochemical process rectifiers, transformer tap changers, and crane and hoist drive systems. Its high blocking voltage suits installations tied directly to 690V or higher distribution lines where transient overvoltages demand headroom. Power supply designers and OEM equipment builders also specify this thyristor module in UPS systems, reactive power compensation equipment, and industrial welding power sources where controllable, robust SCR switching is essential to system integrity.

Quick Reference: MCC95-18IO8B

Key Features of the MCC95-18IO8B:

• 1800V repetitive peak off-state and reverse blocking voltage (VDRM/VRRM) for high-margin operation on medium-voltage distribution systems
• 95A average on-state current (IT(AV)) supporting continuous duty-cycle industrial loads without derating in properly heatsinked configurations
• IO8B package with electrically isolated copper baseplate enabling direct heatsink mounting without additional insulation hardware
• Low gate trigger current and voltage requirements simplify firing circuit design and reduce driver component stress
• Ceramic substrate construction provides superior thermal cycling endurance and dielectric isolation compared to epoxy-based alternatives
• Compatible with standard phase-control trigger boards and thyristor gate driver ICs, easing drop-in replacement in existing equipment

With a factory lead time of 99 weeks on new production, the MCC95-18IO8B presents a genuine procurement challenge for maintenance teams managing aging drives, rectifiers, or heating systems that depend on this exact module. Extended lead times at this level can halt production lines for months when a single module fails unexpectedly. ATI Accurate Technology maintains distributor stock of hard-to-find and long-lead-time thyristor modules precisely to bridge this gap, providing verified new OEM parts immediately rather than forcing customers into unacceptable factory queue times or the risks associated with unvetted surplus channels.

ATI Accurate Technology is located in Palmetto, Florida and specializes in power semiconductors including IGBTs, thyristors, diodes, and rectifier modules. Orders placed before 5PM EST ship same day. Whether you need a single replacement module or volume quantities for a maintenance stockroom, ATI can support your requirement. Contact our team for pricing, volume discounts, and availability: call 239-734-7566 or email sales@igbts.us.