A1321LUA-T Hall Effect Sensor Equivalent & Substitute Parts

Part Overview

The A1321LUA-T is a Hall Effect analog magnetic sensor manufactured by Allegro MicroSystems, designed for single-axis magnetic field detection with analog voltage output. This component operates within a 4.5V to 5.5V supply range and features temperature compensation for stable performance across -40°C to 150°C. The part is currently classified as obsolete, making identification of compatible substitute components essential for ongoing system support and new design implementations.

Substiute Parts

A1321LUA-T

Allegro MicroSystemsIn Stock: 15254A1321LUA-T Datasheet

Current PartRFQ

A1324LUA-T

Allegro MicroSystemsIn Stock: 1816A1324LUA-T Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The A1324LUA-T qualifies as a direct substitute for the A1321LUA-T based on the following alignment of critical electrical and mechanical parameters:

Matching Parameters:

• Identical manufacturer (Allegro MicroSystems)
• Identical technology (Hall Effect)
• Identical axis configuration (Single)
• Identical output type (Analog Voltage)
• Identical supply voltage range (4.5V ~ 5.5V)
• Identical output current specification (10mA max)
• Identical operating temperature range (-40°C ~ 150°C)
• Identical package type (3-SSIP)
• Identical mounting type (Through Hole)
• Identical temperature compensation feature
• Identical compliance certifications (ROHS3, REACH Unaffected)

The A1324LUA-T is currently in active production status, providing long-term availability and supply chain continuity for applications previously using the obsolete A1321LUA-T.

Parameter Comparison

Engineering Selection Recommendations

The A1324LUA-T is the appropriate substitute for the obsolete A1321LUA-T in applications requiring Hall Effect analog magnetic sensing. Both components maintain identical electrical specifications for supply voltage, output current, and operating temperature range, ensuring functional compatibility in existing circuit designs.

The A1324LUA-T offers the advantage of active production status, providing assured long-term availability and supply chain stability. Both components meet ROHS3 compliance and REACH regulatory requirements, maintaining equivalent environmental and regulatory standing.

The A1324LUA-T is available in bulk packaging with current inventory of 1800 units, supporting both prototype development and production-scale implementations.

Frequently Asked Questions (FAQ)

Q: Can the A1324LUA-T directly replace the A1321LUA-T in existing designs?

A: Yes. Both components share identical supply voltage specifications (4.5V ~ 5.5V), output current ratings (10mA max), operating temperature range (-40°C ~ 150°C), package type (3-SSIP), and mounting configuration (Through Hole). The electrical interface and physical footprint are compatible.

Q: What is the difference in bandwidth between these parts?

A: The A1321LUA-T specifies 30kHz bandwidth, while the A1324LUA-T specifies 17kHz bandwidth. Applications requiring response frequencies above 17kHz should evaluate system requirements against the A1324LUA-T specification.

Q: Are there supply chain differences between these components?

A: The A1321LUA-T is classified as obsolete with limited remaining inventory. The A1324LUA-T is in active production with current stock of 1800 units, providing assured availability for new designs and ongoing support.

Q: Do both components require identical PCB footprints?

A: Yes. Both components use the 3-SSIP package type with Through Hole mounting, requiring identical PCB layout and assembly processes.

Q: Are regulatory certifications equivalent?

A: Yes. Both components maintain ROHS3 compliance and REACH Unaffected status, meeting identical regulatory requirements for environmental and hazardous substance restrictions.