CT425-HSN850MR

Current Sensors Overview

The CT425-HSN850MR is an XtremeSense TMR ultra-low noise current sensor manufactured by Allegro MicroSystems. It measures AC and DC currents up to ±50A with a bidirectional output in an 8-SOIC package. The device operates on a 3V to 3.6V supply, features a sensitivity of 80mV/A, and maintains accuracy within ±1%. It supports frequencies from DC to 1MHz with a response time of 300ns and functions across temperatures from -40°C to +125°C.

Current Sensors Feature Summary

• Utilizes XtremeSense TMR technology for ultra-low noise performance
• Provides bidirectional measurement capability for AC and DC currents
• Delivers linear voltage output proportional to sensed current

Current Sensors Applications

• Motor control systems
• Power supply monitoring
• Industrial automation equipment

Current Sensors Procurement Notes

Verify the specific suffix 'MR' against official datasheets to confirm bidirectional functionality and operating voltage range compatibility. Ensure the selected variant matches the required 8-SOIC package dimensions and thermal characteristics for the target application environment.

Current Sensors Selection Notes

Select this component when bidirectional current sensing is required within a ±50A range. The low operating voltage range of 3V to 3.6V suits applications with limited power supplies. Consider the TMR technology benefits for noise-sensitive environments compared to traditional Hall effect sensors.

Current Sensors Part Context

Part of the Allegro XtremeSense Crocus series, the CT425-HSN850MR integrates magnetoresistive sensing elements with signal processing. This design enables high precision and stability in compact surface-mount packages, supporting modern electronic systems requiring accurate current feedback.

Current Sensors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.