HTB 100-P/SP5

Current Sensors Overview

The HTB 100-P/SP5 is a board mount current sensor manufactured by LEM USA Inc. It utilizes Hall effect technology for open-loop, unidirectional current measurement with a nominal primary current of 100 A and a single channel configuration. The device features a single pass-through design suitable for PCB integration. Key electrical specifications include an output voltage range of ±1.667 V at the nominal current with a 10 kΩ load resistance at 25°C ambient temperature. The internal output resistance is specified as 100 Ω, requiring a minimum load resistance of 10 kΩ. The operating voltage is 15 V.

Current Sensors Feature Summary

• Open-loop Hall effect technology for galvanic separation between primary and secondary circuits
• Unidirectional measurement capability for DC, AC, and pulsed currents
• Single pass-through module design for direct PCB mounting

Current Sensors Applications

• Electronic measurement of direct currents
• Electronic measurement of alternating currents
• Electronic measurement of pulsed currents

Current Sensors Procurement Notes

Verify the specific suffix SP5 against official LEM documentation to confirm pinout and mechanical compatibility. Ensure the application requires unidirectional sensing only, as this model does not support bidirectional operation. Cross-reference the 100 A nominal rating with actual peak load requirements to prevent saturation. Confirm that the 15 V operating voltage aligns with the system power supply constraints. Validate the 10 kΩ minimum load resistance requirement for signal conditioning circuitry.

Current Sensors Selection Notes

Select this component when unidirectional current monitoring is sufficient for the application. The open-loop architecture offers simplicity but may require calibration for high precision. Consider the 100 A nominal limit relative to expected transient overloads. The board mount form factor dictates PCB layout constraints. Verify thermal management needs based on self-heating at full load. Compare against HTB-100-TP if through-hole mounting is preferred over surface or standard board mount configurations.

Current Sensors Part Context

This part belongs to the HTB series of current transducers from LEM, designed for electronic current measurement. The series includes variants such as HTB 50-P, HTB 100-P, and HTB 400-P, covering different current ranges. The HTB 100-P/SP5 specifically denotes the 100 A nominal current variant with the SP5 package style. These sensors provide galvanic isolation between the measured conductor and the control electronics.

Current Sensors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. The HTB-100-TP is listed as a related variant within the same product family but differs in mounting type (through-hole vs. board mount). Direct substitution requires verification of mechanical footprint and electrical interface compatibility.