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

Part Overview

The LESR 15-NP is a 15A unipolar Hall Effect current sensor manufactured by LEM USA Inc., designed for AC/DC current measurement applications. This closed-loop bidirectional module delivers ratiometric voltage output with high linearity and accuracy specifications. The part maintains Active product status with full RoHS compliance and REACH unaffected designation.

Substitute parts become necessary when addressing supply chain constraints, inventory availability, or application-specific packaging requirements while maintaining identical electrical and mechanical performance characteristics.

Substiute Parts

LESR 15-NP
LEM USA Inc.In Stock: 997LESR 15-NP Datasheet
LESR 15-NP
Current Part
LPSR 15-NP
LEM USA Inc.In Stock: 712LPSR 15-NP Datasheet
LPSR 15-NP
Parametric Equivalent
LXSR 15-NPS
LEM USA Inc.In Stock: 880LXSR 15-NPS Datasheet
LXSR 15-NPS
Parametric Equivalent

Key Parameters

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

Substitute Part Grouping Explanation

Substitute parts for the LESR 15-NP Hall Effect current sensor are determined by strict equivalence across all critical electrical and mechanical parameters. The substitution logic is based on the following criteria:

Electrical Parameter Equivalence:

  • Current sensing capacity: 15A
  • Sensor technology: Hall Effect, Closed Loop
  • Polarization mode: Bidirectional
  • Output configuration: Ratiometric, Voltage
  • Sensitivity: 41.67mV/A
  • Linearity tolerance: ±0.1%
  • Accuracy specification: ±1.25%
  • Supply voltage range: 4.75V ~ 5.25V
  • Frequency response: 300kHz
  • Response time: 400ns
  • Maximum supply current: 27.5mA
  • Operating temperature range: -40°C ~ 105°C (TA)

Mechanical & Environmental Parameter Equivalence:

  • Mounting type: Through Hole
  • Package classification: Module
  • Packaging format: Tray
  • RoHS status: RoHS Compliant
  • Moisture sensitivity level: 1 (Unlimited)
  • REACH status: REACH Unaffected
  • ECCN classification: EAR99
  • HTSUS code: 9030.33.3800

The LPSR 15-NP and LXSR 15-NPS meet all specified parameters and are classified as parametric equivalents. Series designation differences (LESR, LPSR, LXSR) reflect manufacturer product line organization but do not affect functional compatibility.

Parameter Comparison

Parameter LESR 15-NP LPSR 15-NP LXSR 15-NPS
Manufacturer LEM USA Inc. LEM USA Inc. LEM USA Inc.
Current Sensing 15A 15A 15A
Sensor Type Hall Effect, Closed Loop Hall Effect, Closed Loop Hall Effect, Closed Loop
Polarization Bidirectional Bidirectional Bidirectional
Output Ratiometric, Voltage Ratiometric, Voltage Ratiometric, Voltage
Sensitivity 41.67mV/A 41.67mV/A 41.67mV/A
Linearity ±0.1% ±0.1% ±0.1%
Accuracy ±1.25% ±1.25% ±1.25%
Supply Voltage 4.75V ~ 5.25V 4.75V ~ 5.25V 4.75V ~ 5.25V
Frequency 300kHz 300kHz 300kHz
Response Time 400ns 400ns 400ns
Supply Current (Max) 27.5mA 27.5mA 27.5mA
Operating Temperature -40°C ~ 105°C -40°C ~ 105°C -40°C ~ 105°C
Mounting Type Through Hole Through Hole Through Hole
Package Type Module Module Module
Packaging Tray Tray Tray
Product Status Active Active Active
RoHS Status RoHS Compliant RoHS Compliant RoHS Compliant
MSL Rating 1 (Unlimited) 1 (Unlimited) 1 (Unlimited)
REACH Status REACH Unaffected REACH Unaffected REACH Unaffected
ECCN EAR99 EAR99 EAR99
HTSUS 9030.33.3800 9030.33.3800 9030.33.3800

Engineering Selection Recommendations

All three parts—LESR 15-NP, LPSR 15-NP, and LXSR 15-NPS—are Active status products manufactured by LEM USA Inc. with identical electrical specifications and environmental compliance certifications. Selection between these parts is based on inventory availability and supply chain considerations rather than technical performance differentiation.

Compliance & Certification Status:

  • All parts maintain RoHS Compliant designation
  • All parts carry REACH Unaffected status
  • All parts are classified under ECCN EAR99
  • All parts share HTSUS code 9030.33.3800
  • All parts feature MSL Rating 1 (Unlimited), indicating no moisture sensitivity restrictions

Inventory Availability:

  • LESR 15-NP: 901 Pcs New Original In Stock
  • LPSR 15-NP: 688 Pcs New Original In Stock
  • LXSR 15-NPS: 832 Pcs New Original In Stock

Component selection should prioritize availability based on project timeline and procurement requirements. All three parts deliver identical performance in 15A Hall Effect current sensing applications with closed-loop bidirectional measurement capability.

Frequently Asked Questions (FAQ)

Q: Can LPSR 15-NP and LXSR 15-NPS be used interchangeably with LESR 15-NP in existing circuit designs?

A: Yes. All three parts share identical electrical parameters including current sensing range, output sensitivity, linearity, accuracy, supply voltage requirements, frequency response, and response time. They feature identical mounting type (Through Hole) and package classification (Module). Direct substitution is supported without circuit modification.

Q: What determines whether a part qualifies as a substitute for the LESR 15-NP?

A: Substitution eligibility is determined by exact equivalence across all electrical specifications (current range, sensitivity, accuracy, linearity, frequency response, response time, supply voltage, supply current), mechanical characteristics (mounting type, package type), and environmental compliance certifications (RoHS status, REACH status, MSL rating). Series designation differences do not affect substitution eligibility.

Q: Are there any differences in packaging or handling between LESR 15-NP, LPSR 15-NP, and LXSR 15-NPS?

A: All three parts are supplied in Tray packaging format with identical MSL Rating 1 (Unlimited), indicating no moisture sensitivity restrictions. Handling and storage requirements are equivalent across all three part numbers.

Q: What is the significance of the series designation (LESR, LPSR, LXSR) in the part numbers?

A: Series designations reflect LEM USA Inc. product line organization and internal classification. They do not indicate functional differences or performance variations. All three series deliver identical specifications for 15A Hall Effect current sensing applications.

Q: Can I select a substitute part based solely on current sensing capacity?

A: No. While 15A current sensing capacity is a primary criterion, substitution requires equivalence across all specified parameters including sensor type, polarization, output configuration, sensitivity, accuracy, linearity, frequency response, response time, supply voltage range, operating temperature range, mounting type, package classification, and compliance certifications.

Q: What should I consider when choosing between available substitute parts?

A: Selection should be based on inventory availability, procurement lead time, and supply chain reliability. All three parts deliver identical electrical and mechanical performance. Current stock levels are: LESR 15-NP (901 Pcs), LXSR 15-NPS (832 Pcs), and LPSR 15-NP (688 Pcs).

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