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ACS71240KEXBLT-050U5 Current Sensor Carrier 0A to 50A, 5V

Pololu item #: 5246
Brand: Pololu supply outlook
Status: Active and Preferred 
RoHS 3 compliant


Price break Unit price (US$)
1 5.25
5 4.83
25 4.44
100 4.09


backorders allowed

This board is a simple carrier of Allegro’s ACS71240KEXBLT-050U5 Hall effect-based, electrically isolated current sensor, which offers a low-resistance (~0.6 mΩ) IC current path and a 120 kHz bandwidth with <5 µs response time.

Part Suffix Range Supply Voltage Sensitivity Zero Point Fault Trip Level
050U5 0-50 A (unidirectional) 4.5 V to 5.5 V 80 mV/A 0.5 V 50 A

Alternatives available with variations in these parameter(s): current range Select variant…

 Description Specs (12) Pictures (11) Resources (6) FAQs (0) On the blog (0) 苏熙凌久泽全文免费阅读 (28) 

ACS71240 Current Sensor Carrier.

ACS71240 Current Sensor Carrier pinout.

ACS71240KEXBLT-050U5 Current Sensor Carrier 0A to 50A, 5V, bottom view.

ACS71240 Current Sensor Carrier basic dimensions with US quarter for size reference.

ACS71240 Current Sensor Carrier basic hole dimensions.

ACS71240 Current Sensor Carrier, top view.

ACS71240 Current Sensor Carrier with a 5mm-pitch terminal block for the current path and header pins soldered for use with a breadboard.

ACS71240 Current Sensor Carrier with a 3.5mm-pitch terminal block for the current path.

ACS71240 Current Sensor Carrier with wires soldered directly to the board.

ACS71240 Current Sensor Carrier with wires connected via solderless ring terminals.

ACS72140 current sensor carrier schematic diagram.


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