CT433-HSWF70MR

Current Sensors Overview

The CT433-HSWF70MR is a board-mount current sensor from Allegro MicroSystems, utilizing XtremeSense TMR technology. It features a 70A sensing range with 14.3mV/A sensitivity and analog voltage output. The device operates on DC to 1MHz frequency, offering high dV/dt immunity and 5kV isolation. Packaged in a 16-SOIC surface-mount format, it supports precise AC/DC current measurement for industrial applications.

Current Sensors Feature Summary

• High dV/dt immunity for stable operation in noisy environments
• 5kV electrical isolation between input and output circuits
• XtremeSense TMR technology for enhanced accuracy and linearity
• Analog voltage output proportional to sensed current

Current Sensors Applications

• Industrial motor drives and inverters
• Power supply systems and battery management
• Grid infrastructure and renewable energy converters
• Automotive charging stations and power electronics

Current Sensors Procurement Notes

Verify component authenticity through authorized channels. Confirm RoHS compliance status and check for specific packaging variants such as tape and reel options. Ensure the selected part number matches the required sensitivity and isolation specifications for your design. Review datasheet revisions for any updates regarding thermal resistance or mounting recommendations before finalizing procurement.

Current Sensors Selection Notes

Select this model when high isolation voltage and fast transient immunity are critical. The 70A range suits medium-power industrial loads. Consider the 16-SOIC package for PCB space constraints. Verify that the analog voltage output interface aligns with downstream ADC requirements. Evaluate thermal performance under continuous load conditions to ensure reliability within the specified operating temperature range.

Current Sensors Part Context

Part of the CT433 series focusing on isolated current sensing. Utilizes TMR technology for superior performance over traditional Hall-effect sensors. Designed for robust industrial environments requiring high precision and electrical safety. Supports integration into compact power modules where size and isolation are key factors.

Current Sensors Replacement Considerations

Check for direct substitutes within the CT433 family with different current ratings like CT433-HSWF65MR. Verify pinout compatibility and sensitivity values when considering alternatives. Ensure replacement parts maintain the same 5kV isolation rating and SOIC package dimensions.