TT370N18KOFHPSA1

SCRs - Modules Overview

The TT370N18KOFHPSA1 is a phase control thyristor module manufactured by Infineon Technologies. It features a 50 mm base plate with pressure contact technology and an electrically insulated base plate. The device supports a repetitive peak forward and reverse voltage of 1800 V. At a case temperature of 85°C, the average on-state current (ITAVM) is rated at 364 A per arm. The surge current capability reaches 12,100 A for 10 ms at 25°C junction temperature. Key electrical parameters include a threshold voltage of 0.8 V, a slope resistance of 0.54 mΩ, and a maximum junction-to-case thermal resistance of 0.1 K/W.

SCRs - Modules Feature Summary

• Pressure contact technology ensures high reliability and robust mechanical connections.
• Advanced Medium Power Technology (AMPT) optimizes performance characteristics.
• Electrically insulated base plate provides basic insulation compliant with Class 1 safety standards.

SCRs - Modules Applications

• Soft starters
• Rectifiers for drive applications
• Crowbar applications
• Power controllers
• Static switches

SCRs - Modules Procurement Notes

Verify the specific ordering suffix HPSA1 against official documentation to confirm exact configuration details. Confirm availability status directly with authorized distributors or the manufacturer, as supply conditions may vary. Ensure compliance with relevant industrial standards before procurement.

SCRs - Modules Selection Notes

Select this component based on the required 1800 V blocking voltage and 364 A continuous current rating per arm. Evaluate thermal management requirements using the specified RthJC value of 0.1 K/W. Verify that the gate trigger current and voltage specifications align with the available control circuitry capabilities.

SCRs - Modules Part Context

This module belongs to the TT series of network thyristor modules designed for high-power industrial applications. It utilizes silicon pellet construction within an industrial standard package. The product line emphasizes durability through pressure contact interconnects suitable for demanding power electronics environments.

SCRs - Modules Replacement Considerations

Consult official cross-reference lists for verified substitutes. Ensure replacement parts match the 1800 V rating, 50 mm footprint, and equivalent current handling capabilities without altering system design constraints.

SCRs - Modules FAQ

What is the critical rate of rise of on-state current?

The critical rate of rise of on-state current ((diT/dt)cr) is 250 A/µs under DIN IEC 747-6 test conditions.

What is the maximum allowable case temperature?

The operating temperature range extends up to a maximum case temperature of +135 °C.

How is the internal isolation classified?

The module features internal insulation classified as basic insulation according to Class 1 standards (IEC61140).