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CASR 15-NP

CASR 15-NP

LEM USA Inc.
Current Sensor 15A 1 Channel Flux Gate, Closed Loop Bidirectional Module
Active580 in stock
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Overview

The CASR 15-NP is a compact, through-hole flux gate, closed-loop current transducer designed for precise measurement of AC and DC currents up to 51A. It provides a ratiometric voltage output, making it suitable for integration into various power monitoring and control systems. Its high accuracy and fast response time enable reliable performance in demanding applications.

Why Choose This Part

This sensor offers high accuracy of +/-0.8% and a fast response time of 0.3us, crucial for real-time control. Its closed-loop flux gate technology ensures excellent linearity of +/-1% and very low temperature coefficient of offset. The compact through-hole design and single 5V supply operation simplify PCB integration.

Applications

Motor Control and Drives
Precisely monitor motor currents for control, overcurrent protection, and efficiency optimization in industrial motor drives.
Power Factor Correction (PFC)
Measure input and output currents in PFC circuits to maintain optimal power factor and reduce harmonic distortion.
Solar Inverters
Monitor DC and AC currents in solar inverters for efficient power conversion and grid synchronization.
Uninterruptible Power Supplies (UPS)
Track battery charge/discharge currents and load currents in UPS systems for reliable power management.
Electric Vehicle (EV) Chargers
Monitor charging currents in EV charging stations to ensure safe and efficient power delivery.
Industrial Automation
Integrate into industrial control systems for real-time current measurement in factory automation and process control.

Key Specifications

Output Ratiometric, Voltage
Accuracy +/-0.8%
Frequency 300kHz
Linearity +/-1%
Sensitivity 41.67mV/A
Sensor Type Flux Gate, Closed Loop
Polarization Bidirectional
For Measuring AC/DC
Mounting Type Through Hole
Response Time 0.3us
Package / Case Module
Voltage - Supply 4.75V ~ 5.25V
Current - Sensing 15A
Number of Channels 1
Operating Temperature -40degC ~ 85degC
Current - Supply (Max) 20mA

Getting Started

To get started with the CASR 15-NP, integrate it into a PCB design following the recommended footprint for through-hole mounting. Connect the voltage output to an analog-to-digital converter (ADC) on a microcontroller to read the current. Ensure proper power supply connections within the 4.75V to 5.25V range for optimal performance.

Also Consider

ACS712ELCTR-20A-T Allegro MicroSystems - This is a lower-cost, open-loop Hall effect current sensor often used in less demanding applications.