TT122N18KOFHPSA1

SCRs - Modules Overview

The TT122N18KOFHPSA1 is a high-power thyristor module manufactured by Infineon Technologies, belonging to the Power Block series. It features a 34 mm press-pack design with a repetitive peak reverse voltage of 1800 V and an average on-state current rating of 122 A at 180° electrical conduction. The device supports a maximum junction temperature of 125°C and includes a thermal resistance from junction to case of 0.2 K/W. Key electrical characteristics include a critical rate of rise of on-state current of 100 A/µs and a non-repetitive surge current capability of 2950 A for 10 ms.

SCRs - Modules Feature Summary

• Utilizes a robust 34 mm press-pack construction designed for high mechanical stability and efficient heat dissipation in demanding power applications.
• Engineered for phase control operations with optimized gate triggering requirements suitable for standard industrial drive systems.
• Provides high surge current withstand capability to protect against transient overloads during startup or fault conditions.

SCRs - Modules Applications

• Industrial motor drives and variable frequency drives
• High-power DC-DC converters and rectifiers
• Static VAR compensators and power factor correction systems

SCRs - Modules Procurement Notes

Verify the exact suffix HPSA1 against official Infineon documentation to confirm specific manufacturing lot attributes and compliance status. Confirm availability through authorized distributors as supply levels may fluctuate. Ensure proper handling procedures are followed due to the sensitive nature of press-pack semiconductor devices.

SCRs - Modules Selection Notes

Select this component when a 34 mm form factor is required for space-constrained high-power designs. Evaluate the 1800 V blocking voltage against system transients. Compare thermal resistance values with heatsink capabilities to ensure junction temperature limits are not exceeded under continuous load conditions.

SCRs - Modules Part Context

This module is part of Infineon's extensive portfolio of bipolar power semiconductors. It shares the standard 34 mm footprint with other variants like the TT122N22KOF, differing primarily in voltage ratings and specific packaging suffixes. It serves as a core switching element in medium to high-power conversion topologies.

SCRs - Modules Replacement Considerations

Direct replacements within the same package family include the TT122N22KOF for higher voltage applications. Verify pinout compatibility and thermal interface dimensions before substituting. Cross-reference datasheets for differences in gate charge and holding current specifications.