The Infineon TZ500N12KOF is a high-current thyristor power module rated for 500A continuous current and a 1200V blocking voltage, engineered for phase-control and converter applications where thermal robustness and switching reliability are non-negotiable. The module features a industry-standard base-plate package optimized for direct heatsink mounting, low on-state losses, and consistent gate trigger characteristics across a wide junction temperature range—making it a proven choice for engineers designing or maintaining high-power industrial power conversion systems.

The TZ500N12KOF is widely deployed across heavy industrial sectors including AC and DC motor drives, soft starters, resistance and induction heating systems, electrochemical rectifiers, crane and hoist drives, and UPS infrastructure. Its high surge current capability and stable thermal impedance make it equally suitable for retrofit maintenance in legacy systems and new-build power conversion equipment. Industries such as steel, mining, chemical processing, and marine propulsion rely on thyristor modules of this class to maintain continuous, high-availability operation under demanding load cycles.

Quick Reference: TZ500N12KOF

Key Features of the TZ500N12KOF:

• 500A RMS on-state current rating with high surge current (ITSM) capability for robust overcurrent tolerance
• 1200V repetitive peak off-state blocking voltage (VDRM/VRRM) suitable for 690V AC line applications
• Low on-state voltage drop (VT) minimizing conduction losses and reducing heatsink thermal requirements
• Standard base-plate module package with isolated copper base for direct, low-thermal-resistance heatsink mounting
• Reliable gate trigger sensitivity with defined IGT and VGT parameters across full operating temperature range
• Designed and qualified to Infineon OEM production standards for long-term operational consistency in industrial environments

With a current factory lead time of 99 weeks, procuring the TZ500N12KOF through standard distribution channels is not a viable option for most maintenance or project timelines. Thyristor modules in this current and voltage class are routinely subject to extended lead times due to wafer capacity constraints and low-volume production scheduling by manufacturers. For facilities managing aging equipment or executing time-sensitive capital projects, waiting nearly two years for new production poses serious operational risk. Sourcing from a stocking distributor with verified OEM inventory is the only reliable path to near-term availability.

ATI Accurate Technology, based in Palmetto, FL, stocks the TZ500N12KOF new in OEM condition and ships same day on orders placed before 5PM EST. We specialize in hard-to-find, long-lead-time, and obsolete power semiconductors including IGBTs, thyristors, diodes, and rectifier modules. Volume pricing is available. Contact our team directly at 239-734-7566 or sales@igbts.us for immediate availability confirmation and a quote.