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LESR25-NP is a closed-loop Hall-effect current sensor from LEM, belonging to the LESR series. This sensor provides precise current measurement with high performance and low offset drift, making it suitable for a wide range of industrial and commercial applications.

Specifications (LESR25-NP)

Manufacturer:    LEM    

Product Type:    Board-mounted current sensor    

Current Rating:    25 A    

Sensor Type:    Closed Loop    

Response Time:    400 ns    

Accuracy:    0.85 %    

Frequency Range:    300 kHz    

Operating Supply Voltage:    5 V

Output Type: Digital, Analogue    

Height: 20.3 mm    

Length: 21.91 mm    

Maximum Operating Temperature: +105°C    

Minimum Operating Temperature: -40°C    

Output Voltage: 4.75 V

Series: LESR    

Supply Voltage - Maximum: 5.25 V    

Supply Voltage - Minimum: 4.75 V

Characteristics (LESR25-NP)

Closed-loop multi-range current transformer

Voltage output

Unipolar supply voltage

Compact design suitable for PCB mounting

Advantages (LESR25-NP)

Extremely low offset drift

Superior du/dt immunity

CASR package compatibility

Reference pin supports dual modes: Ref IN and Ref OUT

Unipolar measurement with extended range

Applications (LESR25-NP)

AC variable speed and servo motor drive systems

Static converters for DC motor drives

Battery-powered applications

Uninterruptible power supplies (UPS)

Switch-mode power supplies (SMPS)

Welding power supplies

Solar inverters

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