LTC 1000-SF/SP29

Current Sensors Overview

The LTC 1000-SF/SP29 is a closed-loop Hall effect current sensor manufactured by LEM USA Inc. It provides electrical isolation for measuring AC and DC currents with a nominal primary current of 1000A. The device features a single channel with a current output signal and operates within a frequency range of DC to 100kHz. It exhibits a linearity of ±0.1% and requires a supply voltage between 14.25V and 25.2V. The unit supports bidirectional measurement and functions reliably in temperatures ranging from -40°C to 85°C.

Current Sensors Feature Summary

• Closed-loop Hall effect technology ensures high precision and fast response times.
• Bidirectional current sensing capability for comprehensive AC and DC monitoring.
• Compact module design suitable for single pass-through conductor installation.

Current Sensors Applications

• Industrial motor drive systems
• Power supply units and converters
• Uninterruptible power supply (UPS) systems

Current Sensors Procurement Notes

Verify the specific suffix SP29 against official LEM documentation to confirm pinout configuration and mounting specifications, as suffixes often denote mechanical or electrical variations. Ensure the supplier provides original manufacturer certification to guarantee component authenticity and traceability. Cross-reference the part number with the latest datasheet revisions to avoid discrepancies in interface definitions or performance tolerances during integration.

Current Sensors Selection Notes

Select this model when precise isolation is required for high-current applications up to 1000A. The closed-loop architecture offers superior accuracy compared to open-loop alternatives, making it suitable for critical control loops. Consider the 100kHz bandwidth limit for high-frequency switching applications. Verify that the physical aperture dimensions match the primary conductor size for optimal magnetic coupling and measurement integrity.

Current Sensors Part Context

This component belongs to LEM's industrial current sensor portfolio, designed for robust performance in demanding environments. It utilizes advanced ASIC-based feedback circuits to maintain stability and linearity. The product line is widely recognized in sectors requiring reliable electrical parameter monitoring, such as renewable energy inverters and electric vehicle charging infrastructure.

Current Sensors Replacement Considerations

Direct substitutes include other LEM models within the same functional family, such as the LTC 1000-S/SP29 or LTC 1000-SF/SP3, provided pin compatibility and mechanical constraints are verified. Always consult the official replacement guide to ensure equivalent performance characteristics and interface definitions before swapping components.