Allegro MicroSystems ACS71240LLCB

ACS71240LLCB variants from Allegro MicroSystems

ACS71240LLCB Datasheet

Variants

Mfr

Allegro MicroSystems

Lifecycle

Active

ACS71240LLCB Overview

What changes between part numbers, and what to check before you lock the BOM — Sensors.

Key Features

Lifecycle mix: ActiveConfirm lifecycle on the exact MPN, not just the base number prefix.
4 distinct suffix patternsExamples: TR-010B3, TR-030B3, TR-045B5, TR-050U5. Decode suffix meaning in the ordering notes under the variant table.

Target Applications

Sensors — design-in and field replacement
BOM scrub where only the base prefix is known but suffix is TBD
Second-source checks when the original MPN is constrained

Ordering Variants

Compare 4 ACS71240LLCB part numbers by package, electrical parameters, lifecycle, and availability. Use RFQ for stock and lead-time confirmation.

Part Number	Description	Manufacturer	Lifecycle	RoHS	Availability	Action
ACS71240LLCBTR-010B3	Sensor/Transducer,	Allegro MicroSystems	Active	Compliant	In Stock	RFQ
ACS71240LLCBTR-030B3	Sensor/Transducer,	Allegro MicroSystems	Active	Compliant	In Stock	RFQ
ACS71240LLCBTR-045B5	Sensor/Transducer,	Allegro MicroSystems	Active	Compliant	In Stock	RFQ
ACS71240LLCBTR-050U5	AEC-Q100 Current Sensor, 8-Pin, 4.5-5.5V Supply	Allegro MicroSystems	Active	Compliant	In Stock	RFQ

Ordering Code Differences

How suffixes on ACS71240LLCB map to package, grade, and reel options.

How to Choose the Right ACS71240LLCB Sensors

📦

Match the footprint first

Pull the exact package drawing for your MPN — base-number swaps fail most often at the footprint, not the schematic.

⚡

Electrical headroom

Compare voltage and current columns in the variant table. For ACS71240LLCB, a suffix with lower voltage or current rating will not survive the same circuit without recalculation.

🌡️

Temp grade letter matters

Commercial (0–70 °C) and industrial (−40–85 °C+) suffixes look similar in the prefix — confirm ambient + self-heating, not just the first page of the datasheet.

🔢

Copy the full MPN

Do not BOM only "ACS71240LLCB" — include the full suffix (e.g. TR-010B3, TR-030B3, TR-045B5). RFQ with reel/tube preference and required date code.

Technical Specifications

Core parameters for ACS71240LLCB product family

Identity

Base Model

ACS71240LLCB

Manufacturer

Allegro MicroSystems

Listed Variants

Variant Parameters

Lifecycle Status

Active

RoHS Status

Compliant

Source ACS71240LLCB with Octatronics

Request stock confirmation, lead time, date code, and pricing for all 4 ordering variants from Allegro MicroSystems. Our team supports active, EOL, and hard-to-find component sourcing.

Original manufacturer parts with traceability options
BOM upload and multi-line RFQ support
Package, grade, and compliance verification

Request Quote View Allegro MicroSystems Browse all base models →

Frequently Asked Questions

Common technical questions about the ACS71240LLCB product family.

Is ACS71240LLCB a single part I can order, or a family prefix?

ACS71240LLCB is a base / family code from Allegro MicroSystems. You order a full MPN such as ACS71240LLCBTR-010B3, ACS71240LLCBTR-030B3, ACS71240LLCBTR-045B5. The variant table lists 4 orderable lines with different suffixes.

What do the suffix letters on ACS71240LLCB part numbers mean?

Listed suffix fragments include: TR-010B3, TR-030B3, TR-045B5, TR-050U5. Typically they encode package (see Package column), temperature grade, and tape/reel option. Always decode on the Allegro MicroSystems datasheet ordering guide — do not guess from pattern alone.

What is the lifecycle status of ACS71240LLCB variants?

Lifecycle values in our listing: Active. Status is per MPN suffix — one variant can be Active while another is NRND. Check PCN for your exact suffix before multi-year commitments.

What should I send for an RFQ on ACS71240LLCB?

Full manufacturer MPN (not just ACS71240LLCB), quantity, needed date code, reel vs tube, and any compliance docs (CoC, RoHS, conflict minerals). If you only know the base prefix, include a photo of the existing label or reel.

Where is the ACS71240LLCB datasheet?

Use the datasheet link in the page header. Cross-check electrical curves (SOA, saturation voltage, etc.) against your operating point — the table summarizes order codes, not every graph in the PDF.