CAS 15-NP Current Sensor Equivalent & Substitute Parts

Part Overview

The CAS 15-NP is a 15A AC/DC current sensor manufactured by LEM USA Inc., utilizing flux gate closed-loop technology for bidirectional current measurement. This module delivers ratiometric voltage output with 41.67mV/A sensitivity and operates across the industrial temperature range of -40°C to 85°C. The part maintains Active product status and is RoHS compliant. Substitute parts are identified when equivalent electrical performance, mechanical compatibility, and compliance certifications are maintained across the specified parameter set.

Substiute Parts

CAS 15-NP
LEM USA Inc.In Stock: 1130CAS 15-NP Datasheet
CAS 15-NP
Current Part
CASR 15-NP
LEM USA Inc.In Stock: 50290CASR 15-NP Datasheet
CASR 15-NP
Parametric Equivalent

Key Parameters

Parameter Value
Manufacturer Part Number CAS 15-NP
Manufacturer LEM USA Inc.
Current Sensing Range 15A
Sensor Type Flux Gate, Closed Loop
Measurement Type AC/DC Bidirectional
Output Type Ratiometric Voltage
Sensitivity 41.67mV/A
Accuracy ±0.8%
Linearity ±1%
Supply Voltage 4.75V to 5.25V
Operating Temperature -40°C to 85°C
Mounting Type Through Hole
Package Type Module
RoHS Status RoHS Compliant

Substitute Part Grouping Explanation

Substitute parts for the CAS 15-NP are identified based on strict equivalence across the following critical parameters:

Electrical Performance Criteria:

  • Current sensing capacity: 15A
  • Measurement capability: AC/DC bidirectional
  • Sensor technology: Flux gate closed-loop architecture
  • Output format: Ratiometric voltage
  • Sensitivity: 41.67mV/A
  • Accuracy: ±0.8%
  • Linearity: ±1%
  • Supply voltage range: 4.75V to 5.25V
  • Frequency response: 300kHz
  • Response time: 0.3µs

Mechanical & Environmental Criteria:

  • Mounting configuration: Through hole
  • Package classification: Module
  • Operating temperature range: -40°C to 85°C
  • Number of channels: 1

Compliance Criteria:

  • RoHS compliance status
  • REACH status
  • Product status: Active

The CASR 15-NP meets all specified parameters and qualifies as a parametric equivalent substitute.

Parameter Comparison

Parameter CAS 15-NP CASR 15-NP Match Status
Manufacturer LEM USA Inc. LEM USA Inc. Identical
Current Sensing 15A 15A Identical
Sensor Type Flux Gate, Closed Loop Flux Gate, Closed Loop Identical
Measurement Type AC/DC Bidirectional AC/DC Bidirectional Identical
Output Type Ratiometric Voltage Ratiometric Voltage Identical
Sensitivity 41.67mV/A 41.67mV/A Identical
Accuracy ±0.8% ±0.8% Identical
Linearity ±1% ±1% Identical
Supply Voltage 4.75V to 5.25V 4.75V to 5.25V Identical
Response Time 0.3µs 0.3µs Identical
Current Supply (Max) 20mA 20mA Identical
Operating Temperature -40°C to 85°C -40°C to 85°C Identical
Frequency 300kHz 300kHz Identical
Mounting Type Through Hole Through Hole Identical
Package Type Module Module Identical
Number of Channels 1 1 Identical
RoHS Status RoHS Compliant RoHS Compliant Identical
REACH Status REACH Unaffected REACH Unaffected Identical
Product Status Active Active Identical

Engineering Selection Recommendations

CAS 15-NP Primary Selection: The CAS 15-NP remains the primary specification when inventory availability and lead time are not constraints. Both parts carry identical Active product status and full compliance certifications (RoHS compliant, REACH unaffected).

CASR 15-NP Substitute Selection: The CASR 15-NP functions as a direct parametric equivalent for the CAS 15-NP. All electrical characteristics, mechanical specifications, and compliance certifications are identical. The CASR 15-NP series designation indicates a variant within the same product family. Selection between CAS 15-NP and CASR 15-NP is determined by availability, supply chain requirements, and procurement timelines. Both parts deliver identical performance in 15A AC/DC current sensing applications requiring flux gate closed-loop technology.

Compliance Verification: Both parts maintain RoHS compliance and REACH unaffected status, suitable for applications subject to environmental and regulatory requirements. ECCN classification (EAR99) and HTSUS code (9030.33.3800) are identical across both parts.

Frequently Asked Questions (FAQ)

Q: Can CASR 15-NP replace CAS 15-NP in existing designs? A: Yes. The CASR 15-NP is a parametric equivalent with identical electrical performance, sensitivity (41.67mV/A), accuracy (±0.8%), and mechanical specifications. No circuit redesign is required.

Q: Are there differences in output signal characteristics between CAS 15-NP and CASR 15-NP? A: No. Both parts deliver ratiometric voltage output with identical sensitivity, linearity (±1%), and response time (0.3µs). Output signal compatibility is complete.

Q: Do both parts support the same supply voltage range? A: Yes. Both CAS 15-NP and CASR 15-NP operate on 4.75V to 5.25V supply voltage with maximum current draw of 20mA.

Q: Are mounting and package specifications identical? A: Yes. Both parts use through-hole mounting in module package configuration. PCB layout and mechanical integration are identical.

Q: What is the difference between CAS and CASR series designations? A: The series designation indicates product family variants within LEM USA Inc.'s current sensor portfolio. Both series maintain identical specifications for the 15A AC/DC flux gate closed-loop sensor.

Q: Are both parts suitable for -40°C to 85°C operating environments? A: Yes. Both CAS 15-NP and CASR 15-NP maintain full performance across the -40°C to 85°C industrial temperature range.

Q: Do compliance certifications differ between the two parts? A: No. Both parts carry identical RoHS compliance status and REACH unaffected classification.

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