HAH3DR 1000-S0E

Current Sensors Overview

The HAH3DR 1000-S0E is an open-loop Hall effect current sensor designed for high-voltage applications. It features a nominal primary current of 1000 A and operates with a supply voltage range of 4.75 V to 5.25 V. The device provides a proportional output signal, measuring bidirectional AC and DC currents with an accuracy of ±3.5%. Key electrical parameters include a response time of 6 µs and a maximum supply current of 60 mA. It functions within an operating temperature range of -40°C to 125°C, offering isolation and low offset characteristics suitable for precise current monitoring in power electronics.

Current Sensors Feature Summary

• Open-loop Hall effect technology enabling measurement of bidirectional AC and DC currents
• Proportional isolated output compatible with standard analog-to-digital converters
• High global accuracy and linearity maintained across specified temperature ranges
• Compact mechanical design optimized for integration into power modules

Current Sensors Applications

• xEV automotive traction inverters
• Motor control systems
• IGBT and SiC inverter power modules
• High voltage three-phase power systems

Current Sensors Procurement Notes

Verify the specific suffix (S0E) against the required mechanical mounting configuration, as the series includes variants for module integration versus busbar installation. Confirm that the ±3.5% accuracy specification meets the system requirements for the intended application environment. Ensure the supply voltage constraints align with the target controller's logic levels before finalizing the component selection for production.

Current Sensors Selection Notes

Select this model when a 1000 A nominal current rating is required for traction or industrial drive applications. The S0E variant is specifically engineered for mounting on thick busbars with cable connectors, distinguishing it from module-integrated versions. Consider the 6 µs response time for high-frequency bandwidth needs and ensure the thermal management strategy supports the -40°C to 125°C operating range for reliable long-term performance.

Current Sensors Part Context

This component belongs to the HAH3DR series developed by LEM USA Inc., a line of current sensors tailored for xEV automotive traction inverters. The series addresses the need for compact, mechanically compatible sensors that can withstand high dv/dt conditions. The HAH3DR 1000-S0E represents the 1000 A capacity option within this family, utilizing ASIC-controlled magnetic cores for calibrated performance.

Current Sensors Replacement Considerations

Direct substitutes within the same series include HAH3DR 800-S0E and HAH3DR 1200-S0E, which share identical mechanical and electrical interface specifications but differ in nominal current ratings. When replacing, verify that the new part number matches the S0E suffix to ensure compatibility with the busbar mounting style and connector type.