SBA500AA160

Overview

The SanRex SBA500AA160 is a power thyristor module featuring two independent elements within an electrically isolated package. It supports an average on-state current of 500 A and an RMS on-state current of 785 A at a case temperature of 66°C. The device offers a repetitive peak off-state voltage of 1600 V and a non-repetitive peak reverse voltage of 1700 V. Key electrical characteristics include a critical rate of rise of on-state current (di/dt) of 200 A/µs and a critical rate of rise of off-state voltage (dv/dt) of 500 V/µs. The maximum junction temperature is 125°C, with a thermal impedance from junction to case of 0.085 °C/W.

Feature Summary

• Features an isolated mounting base for simplified heatsink construction and flexible design in AC switch applications.
• Contains two independent thyristor elements within a single package to enable efficient terminal location for bus bar connections.
• Provides high surge current capability with a peak gate power dissipation rating of 416 W.

Applications

• Various rectifiers
• AC/DC motor drives
• Heater controls
• Light dimmers
• Static switches

Procurement Notes

Verify the specific suffix against official documentation to confirm voltage ratings, as the series spans multiple blocking voltages. Confirm mechanical mounting torque specifications for M6, M8, and M4 terminals during integration. Ensure thermal management systems maintain the case temperature within the specified limits to sustain the rated current capacity.

Selection Notes

Select this component for high-power rectifier control applications requiring robust isolation and dual-element flexibility. Evaluate the 1600 V blocking voltage against system peak transient requirements. Consider the 500 A continuous current rating and thermal impedance when designing the cooling infrastructure for sustained operation.

Part Context

This module belongs to the SBA500AA series, which provides thyristors with blocking voltages ranging from 400 V to 1600 V. The series is engineered for high-power environments, utilizing glass passivated chips for reliability. The standardized package dimensions facilitate compatibility with existing industrial mounting structures and bus bar interfaces.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify pinout compatibility and thermal resistance values if considering alternative manufacturers for direct replacement scenarios.