ACS72981LLRATR-050U3 Current Sensor Compact Carrier 0A to 50A, 3.3V

Pololu item #: 5252
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-050U3 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 @ 3.3 V Zero Point @ 3.3 V Size
050U3 0-50 A (unidirectional) 3.0 V to 3.6 V 52.8 mV/A 0.33 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) 

Dimensions

Size: 0.7″ × 0.8″
Weight: 1.4 g

General specifications

Typical operating voltage: 3.3 V
Current sense: 52.8 mV/A1
Minimum logic voltage: 3.0 V
Maximum logic voltage: 3.6 V
Supply current: 14 mA2
Current range: 0A to ​50A (unidirectional 50A), 3.3V
Current sensor: Allegro ACS72981LLRATR-050U3

Identifying markings

PCB dev codes: cs04a
Other PCB markings: 0J14752
Other PCB markings: 3V3 U05

Notes:

1
At VCC = 3.3 V.
2
Typical.

Related Products

0.100" (2.54 mm) Breakaway Male Header: 1×40-Pin, Straight, Black
0.100" (2.54 mm) Breakaway Male Header: 1×40-Pin, Right Angle
0.100" (2.54 mm) Female Header: 1x3-Pin, Straight
0.1" (2.54mm) Crimp Connector Housing: 1x3-Pin 25-Pack
T Connector Male-Female Pair

Related Categories

ACS72981 Current Sensor Compact Carriers
ACS72981 Current Sensor Large Carriers
Terminal Blocks
Premium Jumper Wires
Wires with Pre-Crimped Terminals
0.1″ (2.54 mm) Male Headers
Electronics Prototyping
Motion Control Modules
Motors and Gearboxes
RC Servos
Log In
Pololu Robotics & Electronics
Shopping cart
(702) 262-6648
Same-day shipping, worldwide
Menu
Shop Blog Forum Support
My account Comments or questions? About Pololu Contact Ordering information Distributors