ACS714LLCTR-05B-T Current Sensor Hall Effect Equivalent & Substitute Parts

Part Overview

The ACS714LLCTR-05B-T is a Hall Effect current sensor manufactured by Allegro MicroSystems, designed for AC/DC current measurement applications with a 5A sensing range. This component operates as an open-loop bidirectional sensor with ratiometric voltage output, suitable for industrial and consumer electronics requiring real-time current monitoring.

The ACS714LLCTR-05B-T carries a "Not For New Designs" product status, indicating that Allegro MicroSystems has discontinued active development and support for this model. Organizations developing new systems or requiring long-term component availability should evaluate active alternative models to ensure supply chain continuity and access to manufacturer technical support.

Substiute Parts

ACS714LLCTR-05B-T

Allegro MicroSystemsIn Stock: 15971ACS714LLCTR-05B-T Datasheet

Current PartRFQ

ACS724LLCTR-05AB-T

Allegro MicroSystemsIn Stock: 18230ACS724LLCTR-05AB-T Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ACS714LLCTR-05B-T is determined by the following critical parameters:

Mechanical Compatibility:

• Package type: 8-SOIC (0.154", 3.90mm Width)
• Mounting type: Surface Mount
• Pin configuration and footprint alignment

Electrical Compatibility:

• Sensor technology: Hall Effect, Open Loop
• Measurement capability: AC/DC current sensing
• Number of channels: 1
• Output format: Ratiometric voltage output
• Operating temperature range: -40°C ~ 150°C minimum
• Polarization: Bidirectional operation

Performance Parameters:

• Current sensing range: 5A nominal
• Supply voltage: 5V nominal operation
• Frequency response: DC to 80kHz minimum
• Linearity and accuracy specifications

The ACS724LLCTR-05AB-T qualifies as a direct substitute based on identical mechanical packaging, matching sensor technology, equivalent AC/DC measurement capability, and compatible electrical operating parameters. The substitute maintains the same 8-SOIC form factor, single-channel Hall Effect architecture, and bidirectional current sensing functionality.

Parameter Comparison

Engineering Selection Recommendations

For Existing Designs (ACS714LLCTR-05B-T): The ACS714LLCTR-05B-T remains suitable for maintenance, repair, and field replacement applications in established systems. Current inventory availability supports ongoing support for legacy equipment. ROHS3 compliance and established performance characteristics maintain compatibility with existing PCB designs and thermal management strategies.

For New Designs: The ACS724LLCTR-05AB-T is the recommended selection for new product development. Active product status ensures continued manufacturer support, technical documentation updates, and long-term supply chain availability. The substitute provides improved accuracy (±0.6% versus ±1.5%), higher sensitivity (400mV/A versus 185mV/A), extended frequency response (DC ~ 120kHz versus DC ~ 80kHz), and wider supply voltage tolerance (4.5V ~ 5.5V versus fixed 5V). These enhancements deliver superior measurement resolution and operational flexibility without requiring PCB redesign, as both components share identical 8-SOIC packaging and pin configuration.

Both components maintain ROHS3 compliance, identical operating temperature ranges, and equivalent moisture sensitivity ratings, ensuring regulatory and environmental consistency across product generations.

Frequently Asked Questions (FAQ)

Q: Can the ACS724LLCTR-05AB-T directly replace the ACS714LLCTR-05B-T on existing PCBs?

A: Yes. Both components use identical 8-SOIC (0.154", 3.90mm Width) packaging with matching pin configurations. No PCB modifications are required for mechanical or electrical integration. The substitute operates within the same supply voltage range and maintains bidirectional Hall Effect current sensing functionality.

Q: What are the key differences between these two sensors?

A: The ACS724LLCTR-05AB-T provides higher sensitivity (400mV/A versus 185mV/A), improved accuracy (±0.6% versus ±1.5%), extended frequency response (DC ~ 120kHz versus DC ~ 80kHz), and flexible supply voltage tolerance (4.5V ~ 5.5V versus fixed 5V). Both maintain identical linearity (±1.5%), operating temperature range (-40°C ~ 150°C), and single-channel bidirectional measurement capability.

Q: Why is the ACS714LLCTR-05B-T marked "Not For New Designs"?

A: This designation indicates that Allegro MicroSystems has transitioned this model to end-of-life status and is no longer actively developing or promoting it for new applications. The ACS724LLCTR-05AB-T represents the active successor product line with enhanced specifications and ongoing manufacturer support.

Q: Are there supply chain differences between these components?

A: The ACS714LLCTR-05B-T has 15,901 pieces in current inventory. The ACS724LLCTR-05AB-T has 18,200 pieces available. As an active product, the substitute maintains more predictable long-term availability and restocking cycles through Allegro MicroSystems' distribution network.

Q: Do both sensors require identical circuit design considerations?

A: Both components operate as open-loop Hall Effect sensors with ratiometric voltage output, requiring similar signal conditioning and filtering approaches. The higher sensitivity of the ACS724LLCTR-05AB-T may allow for improved signal-to-noise ratio in measurement circuits. The extended frequency response of the substitute supports applications requiring bandwidth beyond 80kHz.

Q: What compliance certifications apply to both components?

A: Both the ACS714LLCTR-05B-T and ACS724LLCTR-05AB-T are ROHS3 compliant, REACH unaffected, and carry MSL rating 2 (1 Year). Both are classified under ECCN EAR99 and HTSUS 8542.39.0001 for regulatory and customs purposes.