TT820N16KOFXPSA1

SCRs - Modules Overview

The TT820N16KOFXPSA1 is a phase control thyristor module from Infineon Technologies, utilizing pressure contact technology and Advanced Medium Power Technology (AMPT). It features an electrically insulated base plate with optional pre-applied thermal interface material. The device supports a repetitive peak forward and reverse off-state voltage of 1600 V. At a case temperature of 85°C, the maximum average on-state current is 820 A. The surge current rating reaches 24800 A at 25°C junction temperature for a 10ms pulse duration. Key electrical parameters include a threshold voltage of 0.8 V, slope resistance of 0.23 mΩ, and a maximum junction-to-case thermal resistance of 0.045 K/W per module under DC conditions.

SCRs - Modules Feature Summary

• Pressure contact technology ensures high reliability and robust mechanical connections.
• Advanced Medium Power Technology (AMPT) optimizes performance within the industrial standard package.
• Electrically insulated base plate provides basic insulation compliant with Class 1 safety standards.
• Optional pre-applied thermal interface material simplifies heatsink integration.

SCRs - Modules Applications

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

SCRs - Modules Procurement Notes

Verify the specific ordering suffix against the manufacturer's short form catalog to confirm exact configuration details. Confirm RoHS compliance status through official documentation before procurement. Ensure that the selected variant matches the required thermal interface specifications. Cross-reference the datasheet revision date to ensure access to the latest technical parameters and application guidelines.

SCRs - Modules Selection Notes

Select this module based on the 1600 V blocking capability and 820 A continuous current requirement at 85°C case temperature. Evaluate the thermal resistance values to determine appropriate heatsinking for the expected conduction angles. Verify gate trigger characteristics against the driver circuit capabilities. Consider the critical rate of rise of on-state current limits when designing protection circuits for fault conditions.

SCRs - Modules Part Context

This component belongs to the TT820N16 series of Netz-Thyristor-Modules designed for high-power AC phase control applications. It utilizes silicon pellets with pressure contact technology housed in an industrial standard package. The module integrates two thyristor arms within a single insulated enclosure, facilitating compact design in bridge configurations or parallel circuits.

SCRs - Modules Replacement Considerations

Consult the official short form catalog for direct replacements within the TT820N16 series. Verify mechanical dimensions and mounting torque specifications to ensure compatibility with existing cooling structures. Compare electrical ratings such as ITAVM and VDRM to maintain system performance integrity during substitution.

SCRs - Modules FAQ

What is the maximum junction temperature for the TT820N16KOFXPSA1?

The maximum junction temperature (Tvj max) is 135°C.

How does the thermal interface material affect thermal resistance?

With TIM, the maximum case-to-heatsink thermal resistance is reduced to 0.0075 K/W per module, compared to 0.01 K/W without it.

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

The critical rate of rise of on-state current ((diT/dt)cr) is 200 A/µs according to DIN IEC 747-6 standards.