The Infineon TT70N22KOF is a dual thyristor (SCR) module combining two phase-control thyristors in a single isolated baseplate package. Rated for 70A average on-state current (IT(AV)) and a 2200V repetitive peak off-state voltage (VDRM/VRRM), this module is engineered for high-voltage AC switching and phase-control circuits where reliability under sustained thermal and electrical stress is non-negotiable. The isolated copper baseplate ensures efficient thermal transfer to standard heatsink profiles, and the screw-terminal construction supports robust, low-inductance power connections in demanding converter topologies.

The TT70N22KOF is well-suited for industrial AC motor soft-starters, DC drive converters, resistance heating controllers, AC power regulators, and static switching systems in oil and gas, metals processing, paper mills, and heavy manufacturing. Its high blocking voltage makes it especially valuable in medium-voltage drive front-ends and utility-interfaced rectifier stages where component voltage margin is critical. Engineers specifying equipment for harsh environments rely on Infineon thyristor modules in this class for predictable gate sensitivity, low on-state voltage drop, and proven long-term field performance.

Quick Reference: TT70N22KOF

Key Features of the TT70N22KOF:

• 70A average on-state current (IT(AV)) with high surge current (ITSM) capability for fault-tolerant designs
• 2200V VDRM/VRRM repetitive peak blocking voltage providing ample margin in medium-voltage AC systems
• Dual thyristor configuration in a single module reduces component count and simplifies PCB and busbar layout
• Isolated copper baseplate for direct heatsink mounting with standard thermal interface materials
• Low on-state voltage (VT) minimizes conduction losses and reduces thermal management requirements at rated current
• Screw-terminal power connections and industry-standard gate/cathode pinout compatible with existing Infineon and legacy drive platforms

With a current factory lead time of 99 weeks, the TT70N22KOF presents a serious procurement challenge for MRO teams managing equipment uptime and for OEMs building systems on schedule. Production delays of this length can halt repair operations, stall new builds, or force costly redesigns. ATI Accurate Technology specializes in exactly this scenario — maintaining inventory of long-lead, allocated, and discontinued Infineon thyristor modules so that a 99-week factory queue does not become your project's critical path. Our stock is new OEM product, not pulls or refurbished units.

ATI Accurate Technology is based in Palmetto, Florida and ships same-day on orders placed before 5PM EST. Whether you need a single replacement module or a standing order for production, our team is ready to help. Contact us at 239-734-7566 or sales@igbts.us for immediate availability confirmation, datasheets, and volume pricing on the TT70N22KOF and related thyristor and rectifier modules.