Save 24% on “active” status Pololu-brand products using code MEMORIALDAY24

ACS724LLCTR-50AB Current Sensor Carrier -50A to +50A

Pololu item #: 4049
Brand: Pololu supply outlook
Status: Active and Preferred 
RoHS 3 compliant

Price break Unit price (US$)
1 7.49
5 6.89
25 6.34
100 5.83

backorders allowed

This board is a simple compact carrier of Allegro’s ACS724LLCTR-50AB Hall effect-based linear current sensor, which offers a low-resistance (~1.2 mΩ) current path and a high 120 kHz bandwidth for fast response times.

Part Suffix Range Sensitivity @ 5 V Zero Point @ 5 V Supply Voltage
50AB ±50 A (bidirectional) 40 mV/A 2.5 V 4.5 V to 5.5 V

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

 Description Specs (10) Pictures (9) Resources (6) FAQs (0) On the blog (1) 


Size: 0.7" x 0.8"
Weight: 1.5 g

General specifications

Current sense: 0.040 V/A1
Minimum logic voltage: 4.5 V
Maximum logic voltage: 5.5 V
Supply current: 14 mA2
Version: -50A to +50A (bidirectional 50A)
Current sensor: Allegro ACS724LLCTR-50AB

Identifying markings

PCB dev codes: cs01a, cs01b
Other PCB markings: 0J1214, 0J12458, blank white box


When Vcc is 5 V.
Max. 10 mA 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

ACS724 Current Sensor 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
Shop Blog Forum Support
My account Comments or questions? About Pololu Contact Ordering information Distributors