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HX 04-P/SP31 is listed in the Current Sensors range at ChipApex. The manufacturer field lists LEM USA Inc.. Its product description is SENSORS. Review the specifications below when checking this part for your BOM.
The HX 04-P/SP31 is a PCB-mounted current transducer from the LEM HX series, designed for precise AC and DC current measurement. It features a nominal primary current of 4 A with an accuracy of ±1.5%. The device operates on a dual supply voltage of ±15 V, drawing a maximum supply current of 20 mA. It offers a fast response time of 5 µs and supports frequency responses up to 50 kHz. The unit functions within an operating temperature range of -25°C to 85°C.
Verify the specific suffix SP31 against official LEM documentation to confirm pinout configuration and packaging type. Ensure that the required ±15V dual power supply aligns with system design constraints. Confirm compliance with applicable safety standards such as IEC 61010-1 for the intended installation environment.
Select this component when a compact PCB solution is required for low-current applications around 4 A. Consider the ±15V supply requirement and ensure adequate thermal management for the specified operating temperature range. Evaluate the 5 µs response time against the system's bandwidth requirements to ensure accurate signal capture.
This part belongs to the HX series of current transducers, which are characterized by their small footprint and suitability for surface-mount or through-hole PCB integration. The series targets applications requiring reliable isolation and accurate current sensing in industrial and automotive contexts.
Publicly confirmed substitute part numbers are not available in the provided source material.
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