Please refer to the English Version as our Official Version.

Europe: France~~(Français)~~ Germany~~(Deutsch)~~ Italy~~(Italia)~~ Russian~~(русский)~~ Poland~~(polski)~~ Czech~~(Čeština)~~ Luxembourg~~(Lëtzebuergesch)~~ Netherlands~~(Nederland)~~ Iceland~~(íslenska)~~ Hungarian~~(Magyarország)~~ Spain~~(español)~~ Portugal~~(Português)~~ Turkey~~(Türk dili)~~ Bulgaria~~(Български език)~~ Ukraine~~(Україна)~~ Greece~~(Ελλάδα)~~ Israel~~(עִבְרִית)~~ Sweden~~(Svenska)~~ Finland~~(Svenska)~~ Finland~~(Suomi)~~ Romania~~(românesc)~~ Moldova~~(românesc)~~ Slovakia~~(Slovenská)~~ Denmark~~(Dansk)~~ Slovenia~~(Slovenija)~~ Slovenia~~(Hrvatska)~~ Croatia~~(Hrvatska)~~ Serbia~~(Hrvatska)~~ Montenegro~~(Hrvatska)~~ Bosnia and Herzegovina~~(Hrvatska)~~ Lithuania~~(lietuvių)~~ Spain~~(Português)~~ Switzerland~~(Deutsch)~~ United Kingdom~~(English)~~

Asia/Pacific: Japan~~(日本語)~~ Korea~~(한국의)~~ Thailand~~(ภาษาไทย)~~ Malaysia~~(Melayu)~~ Singapore~~(Melayu)~~ Vietnam~~(Tiếng Việt)~~ Philippines~~(Pilipino)~~

Africa, India and Middle East: United Arab Emirates~~(العربية)~~ Iran~~(فارسی)~~ Tajikistan~~(فارسی)~~ India~~(हिंदी)~~ Madagascar~~(malaɡasʲ)~~

South America / Oceania: New Zealand~~(Maori)~~ Brazil~~(Português)~~ Angola~~(Português)~~ Mozambique~~(Português)~~

North America: United States~~(English)~~ Canada~~(English)~~ Haiti~~(Ayiti)~~ Mexico~~(español)~~

Home Products Sensors, Transducers Current Sensors~~ACS72981KLRATR-150B3~~

Image may be representation.
See specifications for product details.

~~Favorite~~

EXPRESS OPTION

Payment method

ACS72981KLRATR-150B3 - Allegro MicroSystems

Name: Allegro MicroSystems ACS72981KLRATR-150B3
Brand: Allegro MicroSystems
SKU: ACS72981KLRATR-150B3
Price: 0.829 USD
Availability: InStock
Rating: 5 (6 reviews)

Manufacturer Part Number: ACS72981KLRATR-150B3

Manufacturer: Allegro MicroSystems

Allelco Part Number: 32D-ACS72981KLRATR-150B3

Warranty: 1 Year Allelco Warranty - Find out more

Parts Description: HIGH PRECISION LINEAR HALL EFFEC

Package: 7-PSOF

Data sheet: 1.ACS72981KLRATR-.pdf ...

PCN Packaging
Tape Change 27/Jan/2023.pdf

RoHs Status: ROHS3 Compliant

~~Compare~~

Our certification

In stock: 13632

Unit Price: $2.26
Subtotal: $0.00

Want a better price?
Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity	Unit Price	Ext. Price
1+	$2.26	$2.26
200+	$0.875	$175.00
500+	$0.845	$422.50
1000+	$0.829	$829.00

The above prices does not include taxes and freight rates, which will be calculated on the order pages.

EXPRESS OPTION

Payment method

Our certification

Specifications

ACS72981KLRATR-150B3 Tech Specifications
Allegro MicroSystems - ACS72981KLRATR-150B3 technical specifications, attributes, parameters and parts with similar specifications to Allegro MicroSystems - ACS72981KLRATR-150B3

Product Attribute	Attribute Value
Manufacturer	Allegro MicroSystems
Voltage - Supply	3V ~ 3.6V
Supplier Device Package	7-PSOF
Series	-
Sensor Type	Hall Effect, Differential
Sensitivity	8.8mV/A
Response Time	1.8µs
Polarization	Bidirectional
Package / Case	7-PowerSMD Module
Package	Tape & Reel (TR)
Output	Ratiometric, Voltage

Product Attribute	Attribute Value
Operating Temperature	-40°C ~ 125°C (TA)
Number of Channels	1
Mounting Type	Surface Mount
Linearity	±0.8%
Frequency	DC ~ 250kHz
For Measuring	AC/DC
Current - Supply (Max)	14mA (Typ)
Current - Sensing	150A
Base Product Number	ACS729
Accuracy	-

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8542.39.0001

Parts Introduction

Manufacturer Part Number

ACS72981KLRATR-150B3

Manufacturer

Allegro MicroSystems

Introduction

The ACS72981KLRATR-150B3 is a high-precision, high-bandwidth current sensor IC from Allegro MicroSystems. It is designed for accurate measurement of AC and DC currents in a wide range of applications.

Product Features and Performance

Wide current sensing range of up to 150A

Excellent linearity of ±0.8%

High bandwidth of DC to 250kHz

Ratiometric voltage output

Differential Hall-effect sensing technology

Bidirectional current sensing capability

Ultra-low power consumption of only 14mA (typical)

Fast response time of 1.8µs

Product Advantages

Industry-leading accuracy and linearity

High bandwidth for fast current monitoring

Compact surface-mount package

Low power consumption for energy-efficient designs

Flexible bidirectional current sensing

Key Technical Parameters

Voltage supply: 3V to 3.6V

Operating temperature range: -40°C to 125°C

Package: 7-PSOF, Tape and Reel

Quality and Safety Features

RoHS3 compliant

Designed and manufactured to high quality standards

Compatibility

The ACS72981KLRATR-150B3 is compatible with a wide range of electronic systems and applications that require accurate current sensing.

Application Areas

Industrial automation and control

Power conversion and distribution

Motor control

Battery management systems

Renewable energy systems

Overcurrent protection

Product Lifecycle

The ACS72981KLRATR-150B3 is an active product and is not currently nearing discontinuation. Replacement or upgrade options may be available from Allegro MicroSystems in the future.

Several Key Reasons to Choose This Product

Exceptional accuracy and linearity for precise current measurement

High bandwidth for fast current monitoring and control

Compact surface-mount package for space-constrained designs

Low power consumption for energy-efficient applications

Flexible bidirectional current sensing capability

Parts with Similar Specifications

The three parts on the right have similar specifications to Allegro MicroSystems ACS72981KLRATR-150B3

Product Attribute
Part Number	ACS72981KLRATR-150B5	ACS72981LLRATR-050B5	ACS725LMATR-50AB-T	ACS725LMATR-30AB-T
Manufacturer	Allegro MicroSystems	Allegro MicroSystems	Allegro MicroSystems	Allegro MicroSystems
Current - Supply (Max)	-	-	-	-
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Base Product Number	-	DAC34H84	MAX500	ADS62P42
Sensitivity	-	-	-	-
Series	-	-	-	-
For Measuring	-	-	-	-
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Current - Sensing	-	-	-	-
Accuracy	-	-	-	-
Response Time	-	-	-	-
Output	-	-	-	-
Linearity	-	-	-	-
Frequency	-	-	-	-
Polarization	-	-	-	-
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)
Sensor Type	-	-	-	-
Voltage - Supply	-	-	-	-
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Number of Channels	-	-	-	-

ACS72981KLRATR-150B3 Datasheet PDF

Download ACS72981KLRATR-150B3 pdf datasheets and Allegro MicroSystems documentation for ACS72981KLRATR-150B3 - Allegro MicroSystems.

PCN Packaging: Tape Change 27/Jan/2023.pdf

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

Jess***Jones

Apr 17, 2026

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.
Mich***Smith

Apr 17, 2026

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.
Aman***arris

Apr 3, 2026

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.
Mike***nch

Apr 3, 2026

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.
Daic***K.

Mar 23, 2026

Very good. No issue after long time testing.
Kevi***.

Mar 17, 2026

Fast switching and stable output. Very satisfied with this IC
Daou***hekebkeb

Jun 16, 2024

I had a great experience purchasing items from Allelcoelec, I recommend
Uri ***al

Jun 19, 2024

Good comunication,
Transpnt regarding the process and price.
Yaqu***l Ali

Jun 19, 2024

Providing reasonable prices, regular follow-up of orders, providing accurate and regular invoices, timely delivery of goods, excellent customer service and providing original goods and best quality materials.
Lea ***

Jun 19, 2024

Morrey was very helpful and right on top of things!
He replied quickly to my RFQ. He was very courteous and professional.

Write a Review

Your Email address will not be published.

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

Use your express account for shipment if you have one.
Use our account for the shipment. Refer to the table below for the approximate charges.

(Different time frame / countries / package size has different price.)

Delivery Method

Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Efficient Supply Management
Cost-Saving Procurement
Fast Sourcing & Delivery

Contact us if you have any questions.

Phone
+00852 9146 4856
Email
info@allelco.com

Certifications & Memberships