LEM CKSR 25-NP Series Closed Loop AC/DC Hall Effect Sensor Features Closed loop current transducer Voltage output 4.3kV Isolation Frequency bandwidth 300kHz Single supply + 5 V Galvanic isolation between primary and secondary Low power consumption Compact design for PCB mounting Advantages CKSR footprint compatible Very good dv/dt immunity Low foot-print Low offset drift Reference pin with two modes REF IN and REF OUT Extended measuring range for unipolar measurement. High creepage / clearance distances Applications AC variable speed and servo motor drives Static converters for DC motor drives Battery supplied applications Uninterruptible Power Supplies (UPS) Switched Mode Power Supplies (SMPS) Power supplies for welding applications Solar Inverter Standards EN 50178: 1997 UL 508: 2004 IEC 61010-1: 2010 (safety) Application Domain Industrial Specification LEM Part Number CKSR 25-NP Technology Closed Loop Hall Effect Aperture None ROHS Yes Supply Voltage 5 VDC Load Current (RMS + DC) 25 Amp Measurement Range +/-85Amp Output 2.5 Vref Isolation 4.3 kV Bandwidth DC-300 kHz Mounting Style PCB Mount Operating Temperature Range -40°C / 85°C Accuracy 0.8% Termination Style PCB Unit Weight 9g Factory Packaging 25 Datasheet Product Datasheet Application Notes LEM Applications Manual 3rd Edition Alternatives LKSR 25-NP

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LEM CASR 50-NP KIT3P Series Closed Loop AC/DC Hall Effect Sensor Features Closed loop current transducer Voltage output 4.3kV Isolation Frequency bandwidth 300kHz Single supply + 5 V Galvanic isolation between primary and secondary Low power consumption Compact design for PCB mounting Advantages LTSR footprint compatible Very good dv/dt immunity Very low temperature coefficient of offset Reference pin with two modes REF IN and REF OUT Extended measuring range for unipolar measurement. High creepage / clearance distances Applications AC variable speed and servo motor drives Static converters for DC motor drives Battery supplied applications Uninterruptible Power Supplies (UPS) Switched Mode Power Supplies (SMPS) Power supplies for welding applications Solar Inverter Standards EN 50178: 1997 UL 508: 2013 IEC 61010-1(safety) Application Domain Industrial Specification LEM Part Number CASR 50-NP Sample Kit 3 P Technology Closed Loop Multi Range Hall Effect Aperture None ROHS Yes Supply Voltage 5 VDC Load Current (RMS + DC) 50 Amp Measurement Range +/-150 Amp Output 2.5 Vref Isolation 4.1 kV Bandwidth DC-300 kHz Mounting Style PCB Mount Operating Temperature Range -40°C / 85°C Accuracy 0.8% Termination Style PCB Unit Weight 9g Factory Packaging 3 Datasheet Product Datasheet Application Notes LEM Applications Manual 3rd Edition Alternatives Contact Us for Possible Replacement

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