ACS72981LLRATR-100U5 Current Sensor Compact Carrier 0A to 100A, 5V

Pololu item #: 5256
Brand: Pololu supply outlook
Status: Active and Preferred 
RoHS 3 compliant

Price break Unit price (US$)
1 9.95
5 9.15
25 8.42
100 7.75


backorders allowed

This is the compact version of a simple carrier for Allegro’s ACS72981LLRATR-100U5 Hall effect-based, electrically isolated current sensor, which offers a low-resistance (~0.2 mΩ) current path and a high 250 kHz bandwidth for fast response times.

Part Suffix Range Supply Voltage Sensitivity @ 5 V Zero Point @ 5 V Size
100U5 0-100 A (unidirectional) 4.5 V to 5.5 V 40 mV/A 0.5 V 0.7″×0.8″

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

 Description Specs (12) Pictures (13) Resources (6) FAQs (0) On the blog (0) Distributors (17) 

Dimensions

Size: 0.7″ × 0.8″
Weight: 1.4 g

General specifications

Typical operating voltage: 5 V
Current sense: 40 mV/A1
Minimum logic voltage: 4.5 V
Maximum logic voltage: 5.5 V
Supply current: 14 mA2
Current range: 0A to 100A (unidirectional 100A)
Current sensor: Allegro ACS72981LLRATR-100U5

Identifying markings

PCB dev codes: cs04a
Other PCB markings: 0J14752
Other PCB markings: 5V U10

Notes:

1
At VCC = 5 V.
2
Typical.

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