HO 15-NP/SP33-1000

Current Sensors Overview

The HO 15-NP/SP33-1000 is a board-mount current transducer from the HO-NP series by LEM USA Inc. It utilizes an open-loop Hall effect sensing principle for bidirectional measurement of AC and DC currents. The device features a primary current rating of 15A with a linear output voltage range centered around 3.3Vdc. Key electrical specifications include a sensitivity of 25mV/A, a supply voltage range of 4.75V to 5.25V, and a maximum supply current of 20mA. The sensor offers high precision with an accuracy of ±1% and linearity of ±1%. It operates within a temperature range of -40°C to +105°C and supports frequencies up to 300kHz.

Current Sensors Feature Summary

• Open-loop Hall effect technology for robust current detection
• Integrated ASIC-based design for enhanced stability and integration
• Bidirectional measurement capability for both AC and DC signals
• Board-mount module format suitable for PCB implementation

Current Sensors Applications

• Motor drive control systems
• Power supply feedback loops
• Industrial automation equipment
• Battery management systems

Current Sensors Procurement Notes

Verify that the specific suffix SP33-1000 corresponds to the required 3.3V supply voltage and output configuration. Confirm RoHS compliance status as per the latest manufacturer documentation. Ensure the ordering part number matches the exact sensitivity and package variant required for the design. Cross-reference the datasheet revision to confirm any recent ASIC upgrades or pinout changes associated with this specific model.

Current Sensors Selection Notes

Select this component when an open-loop solution is preferred for cost-effective current sensing in mid-range applications. The 15A rating and 3.3V logic compatibility make it suitable for embedded systems and microcontroller interfaces. Consider the ±1% accuracy and 300kHz bandwidth for dynamic load monitoring. Evaluate the thermal performance within the specified operating temperature range during system integration.

Current Sensors Part Context

This model belongs to the HO-NP series of mid-range current transducers manufactured by LEM USA Inc. The series is characterized by ASIC-based open-loop Hall effect sensors designed for board mounting. These devices are engineered for applications requiring reliable current measurement with minimal external components. The HO-NP family provides various current ratings and output configurations to suit different industrial and consumer electronics needs.

Current Sensors Replacement Considerations

Public confirmed substitute part numbers: None identified.