LPSR 15-NP Hall Effect Current Sensor - Equivalent & Substitute Parts

Part Overview

The LPSR 15-NP is a unipolar Hall Effect current sensor manufactured by LEM USA Inc., designed for AC/DC current measurement applications. This closed-loop bidirectional module provides 15A sensing capability with ratiometric voltage output. The product is currently active in production with 688 units in stock. Alternative equivalent parts may be required due to supply chain considerations, design revisions, or inventory availability across different manufacturing batches and series designations.

Key Parameters

Parameter	Value
Manufacturer Part Number	LPSR 15-NP
Manufacturer	LEM USA Inc.
Series	LPSR
Sensor Type	Hall Effect, Closed Loop
Current - Sensing	15A
Number of Channels	1
Output Type	Ratiometric, Voltage
Sensitivity	41.67mV/A
Frequency	300kHz
Linearity	±0.1%
Accuracy	±1.25%
Voltage - Supply	4.75V ~ 5.25V
Response Time	400ns
Current - Supply (Max)	27.5mA
Operating Temperature	-40°C ~ 105°C (TA)
Polarization	Bidirectional
Mounting Type	Through Hole
Package / Case	Module
RoHS Status	RoHS Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
Product Status	Active

Substitute Part Grouping Explanation

Substitution eligibility for the LPSR 15-NP is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Current sensing range: 15A
Sensor technology: Hall Effect, Closed Loop
Output configuration: Ratiometric, Voltage
Sensitivity: 41.67mV/A
Frequency response: 300kHz
Linearity tolerance: ±0.1%
Accuracy: ±1.25%
Supply voltage range: 4.75V ~ 5.25V
Response time: 400ns
Maximum supply current: 27.5mA
Operating temperature range: -40°C ~ 105°C
Polarization: Bidirectional
Mounting type: Through Hole
Package type: Module
Compliance certifications: RoHS Compliant, REACH Unaffected

The LXSR 15-NPS qualifies as a parametric equivalent because it maintains identical electrical specifications, mechanical mounting characteristics, and regulatory compliance status across all defined parameters.

Parameter Comparison

Parameter	LPSR 15-NP	LXSR 15-NPS	Match Status
Manufacturer	LEM USA Inc.	LEM USA Inc.	Identical
Sensor Type	Hall Effect, Closed Loop	Hall Effect, Closed Loop	Identical
Current - Sensing	15A	15A	Identical
Number of Channels	1	1	Identical
Output Type	Ratiometric, Voltage	Ratiometric, Voltage	Identical
Sensitivity	41.67mV/A	41.67mV/A	Identical
Frequency	300kHz	300kHz	Identical
Linearity	±0.1%	±0.1%	Identical
Accuracy	±1.25%	±1.25%	Identical
Voltage - Supply	4.75V ~ 5.25V	4.75V ~ 5.25V	Identical
Response Time	400ns	400ns	Identical
Current - Supply (Max)	27.5mA	27.5mA	Identical
Operating Temperature	-40°C ~ 105°C (TA)	-40°C ~ 105°C (TA)	Identical
Polarization	Bidirectional	Bidirectional	Identical
Mounting Type	Through Hole	Through Hole	Identical
Package / Case	Module	Module	Identical
RoHS Status	RoHS Compliant	RoHS Compliant	Identical
REACH Status	REACH Unaffected	REACH Unaffected	Identical
Product Status	Active	Active	Identical

Engineering Selection Recommendations

Both the LPSR 15-NP and LXSR 15-NPS are active production components from LEM USA Inc. with full RoHS compliance and REACH unaffected status. The parts are electrically and mechanically interchangeable based on identical parameter specifications across all critical performance metrics.

Selection between these parts should be based on:

Inventory Availability: LXSR 15-NPS currently has 832 units in stock compared to 688 units for LPSR 15-NP.

Series Designation: LPSR 15-NP belongs to the LPSR series, while LXSR 15-NPS belongs to the LXSR series. Both series are manufactured by LEM USA Inc. and maintain identical electrical and mechanical specifications.

Regulatory Compliance: Both parts satisfy identical compliance requirements for RoHS and REACH regulations, making them suitable for applications with equivalent environmental and regulatory constraints.

Packaging: Both parts are supplied in Tray packaging and feature Through Hole mounting, ensuring compatibility with standard PCB assembly processes.

Frequently Asked Questions (FAQ)

Q: Can LXSR 15-NPS be used as a direct replacement for LPSR 15-NP in existing designs?

A: Yes. The LXSR 15-NPS is a parametric equivalent with identical electrical specifications, output characteristics, supply requirements, and mechanical mounting. No circuit modifications are required for substitution.

Q: Are there any differences in the output signal between LPSR 15-NP and LXSR 15-NPS?

A: No. Both parts provide identical ratiometric voltage output with 41.67mV/A sensitivity, ±1.25% accuracy, and ±0.1% linearity across the full 15A sensing range.

Q: Do both parts operate within the same temperature range?

A: Yes. Both LPSR 15-NP and LXSR 15-NPS operate across the identical temperature range of -40°C to 105°C (TA).

Q: What is the significance of the series designation difference (LPSR vs. LXSR)?

A: The series designation indicates different product lines within LEM USA Inc.'s current sensor portfolio. However, for the 15A unipolar Hall Effect models specified, both series maintain identical electrical performance, output characteristics, and mechanical compatibility.

Q: Are the supply voltage requirements identical for both parts?

A: Yes. Both parts require a supply voltage range of 4.75V to 5.25V and draw a maximum of 27.5mA during operation.

Q: Can these parts be used interchangeably in high-frequency applications?

A: Yes. Both parts support 300kHz frequency response with 400ns response time, making them suitable for identical high-frequency measurement applications.

Q: What is the moisture sensitivity level for both parts?

A: Both LPSR 15-NP and LXSR 15-NPS have MSL 1 (Unlimited), indicating no moisture sensitivity constraints during storage or handling.

Q: Are both parts RoHS compliant?

A: Yes. Both LPSR 15-NP and LXSR 15-NPS are RoHS Compliant and REACH Unaffected, meeting identical environmental and regulatory requirements.

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