TT251N16KOFAHPSA1

SCRs - Modules Overview

The TT251N16KOFAHPSA1 is a silicon phase control thyristor module from Infineon Technologies, belonging to the Power Block series. It features a 50 mm screw-mount package designed for high-power industrial applications. The device supports a repetitive peak off-state voltage of 1600 V and a maximum average on-state current of 250 A at 85°C. It exhibits a gate trigger voltage of 0.8 V at maximum junction temperature and maintains a thermal resistance from junction to case of 0.13 K/W under sinusoidal conditions. The module withstands an RMS on-state current of 250 A and handles surge currents up to 8000 A for 10 ms.

SCRs - Modules Feature Summary

• Utilizes robust screw-mount technology for secure mechanical installation and efficient heat dissipation in high-current environments.
• Engineered with high di/dt capability to manage rapid current rise rates during switching events without device damage.
• Incorporates optimized silicon architecture to ensure stable conduction characteristics and reliable performance under continuous load.

SCRs - Modules Applications

• Industrial motor drives and variable frequency drive systems
• High-power rectifier circuits and DC power supplies
• Static power switches and industrial heating controls

SCRs - Modules Procurement Notes

Verify part authenticity through authorized Infineon distributors or certified partners. Request original datasheets and material compliance certificates upon order confirmation. Confirm specific ordering suffixes match project requirements as variations may exist within the product family. Ensure storage conditions adhere to semiconductor handling standards to prevent moisture sensitivity issues prior to assembly.

SCRs - Modules Selection Notes

Evaluate thermal management capabilities against system heat sink constraints using the specified junction-to-case thermal resistance. Verify that the circuit's expected surge currents remain below the 8000 A limit to ensure device survival during fault conditions. Confirm that the gate drive circuit can reliably supply the required trigger voltage levels across the full operating temperature range for consistent turn-on behavior.

SCRs - Modules Part Context

This component belongs to the TT251N series of high-power thyristor modules manufactured by Infineon Technologies. The series is characterized by its 50 mm form factor and suitability for demanding power electronics applications requiring high voltage blocking and substantial current carrying capacity in compact industrial packages.

SCRs - Modules Replacement Considerations

Consult official cross-reference guides for compatible alternatives. Verify that any substitute matches the 1600 V rating, 250 A current capacity, and 50 mm screw-mount footprint to maintain mechanical and electrical compatibility in existing designs.