LDSR 0.3-NP

Current Sensors Overview

The LDSR 0.3-NP is a closed-loop Hall effect current sensor designed for measuring AC, DC, and pulse currents with a nominal primary current of 300 mA. It provides galvanic isolation between the primary circuit and the secondary output. The device utilizes a through-hole mounting configuration within a module package. It operates under RoHS compliance standards and holds a Moisture Sensitivity Level of 1, indicating unlimited exposure to ambient conditions prior to soldering. The component is part of the LDSR-NP series.

Current Sensors Feature Summary

• Closed-loop Hall effect technology ensures high accuracy and linearity
• Galvanic separation between primary and secondary circuits
• Capable of measuring AC, DC, and pulse current signals

Current Sensors Applications

• Leakage current measurement systems
• Industrial power supply monitoring
• Battery management applications

Current Sensors Procurement Notes

Verify the specific ordering suffix matches the required performance characteristics. Confirm that the application environment does not exceed the maximum temperature limit of 110°C on the primary jumper as specified in technical documentation. Ensure compatibility with through-hole assembly processes and validate RoHS compliance requirements against local regulations before finalizing procurement orders.

Current Sensors Selection Notes

Select this component when precise measurement of low-level currents up to 300 mA is required. The closed-loop design offers superior dynamic response compared to open-loop alternatives. Consider the module package size and through-hole mounting constraints during PCB layout. Verify that the operating temperature range aligns with the system's thermal profile and that the nominal current rating suits the expected load variations.

Current Sensors Part Context

This sensor belongs to the LDSR-NP series from LEM USA Inc., which focuses on low-current measurement solutions. The series is engineered for applications requiring reliable galvanic isolation and accurate signal transmission. The NP variant denotes specific packaging and terminal configurations suitable for standard industrial mounting practices. It complements other sensors in the lineup offering higher current ratings or different interface types.

Current Sensors Replacement Considerations

Consult official substitution lists for compatible parts within the LDSR series. Verify pinout compatibility and electrical specifications before replacing existing components. Ensure that any substitute maintains the same nominal current rating and isolation voltage levels to preserve system safety and performance integrity.