HAH3DR 1500-S0A

Current Sensors Overview

The HAH3DR 1500-S0A is a Hall effect, open-loop unidirectional current sensor from the HAH3DR series by LEM USA Inc. It features a nominal primary current of ±1500 A and operates within a frequency range of DC to 40 kHz. The device provides ratiometric voltage and current outputs with high linearity and low offset. Designed for automotive traction inverters, it offers galvanic isolation and measures bidirectional AC and DC currents. The sensor utilizes an ASIC-controlled magnetic core assembly to ensure high global accuracy across specified temperature ranges.

Current Sensors Feature Summary

• Open-loop Hall effect technology for precise current measurement
• Galvanic isolation between primary and secondary circuits
• Ratiometric output compatible with standard ADC power supplies
• High immunity to crosstalk and high dv/dt stress

Current Sensors Applications

• xEV automotive traction inverters
• High-power motor control systems
• IGBT and SiC inverter power modules

Current Sensors Procurement Notes

Verify the specific suffix designation against the manufacturer's official datasheet to confirm mechanical mounting options and connector types. Ensure the component meets ISO 26262 requirements if intended for safety-related applications. Cross-reference the part number with the latest LEM documentation to confirm availability and lead times prior to ordering.

Current Sensors Selection Notes

Select this model for applications requiring high current capacity up to 1500 A with fast response times. Consider the S0x variant design for installation on thick busbars with cable connectors when space constraints allow. Evaluate the need for bidirectional measurement capabilities and ratiometric output compatibility with existing signal processing electronics.

Current Sensors Part Context

This component belongs to the HAH3DR series, specifically engineered for xEV automotive traction inverters. The series includes variants designed for integration into inverter modules or mounting on busbars. It addresses the demand for compact, high-performance sensors capable of handling high dv/dt environments typical in modern electric vehicle powertrains.

Current Sensors Replacement Considerations

Consult LEM official documentation for direct substitutes within the HAH3DR family, such as different current ratings or mounting configurations. Verify mechanical compatibility and electrical specifications before substituting with other manufacturers' Hall effect sensors.