A1383LLHLT-T Hall Effect Sensor Equivalent & Substitute Parts

Part Overview

The A1383LLHLT-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 is classified as Obsolete, making identification of compatible substitute parts essential for ongoing production support and design continuity. The sensor operates within a 4.5V to 5.5V supply range and delivers analog output suitable for direct integration into measurement and control circuits.

Substiute Parts

A1383LLHLT-T

Allegro MicroSystemsIn Stock: 842A1383LLHLT-T Datasheet

Current PartRFQ

A1389LLHLT-9-T

Allegro MicroSystemsIn Stock: 1201A1389LLHLT-9-T Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the A1383LLHLT-T is determined by strict alignment of the following critical parameters:

Mandatory Matching Criteria:

• Technology: Hall Effect
• Axis Configuration: Single
• Output Type: Analog Voltage
• Package Type: SOT-23W
• Mounting Type: Surface Mount
• Voltage Supply Range: 4.5V ~ 5.5V
• Operating Temperature Range: -40°C ~ 150°C
• RoHS Compliance: ROHS3 Compliant

Allowable Variation Parameters:

• Maximum Supply Current: Substitute may equal or exceed the original specification
• Maximum Output Current: Substitute may equal or exceed the original specification
• Bandwidth: Substitute may equal or exceed the original specification
• Features: Substitute may have equal or reduced feature set

The A1389LLHLT-9-T qualifies as a direct substitute based on full alignment with all mandatory matching criteria and acceptable variation within allowable parameters.

Parameter Comparison

Engineering Selection Recommendations

The A1389LLHLT-9-T is a qualified substitute for the obsolete A1383LLHLT-T based on electrical and mechanical parameter alignment. Both components maintain ROHS3 compliance and identical moisture sensitivity ratings, ensuring regulatory and environmental consistency.

The A1383LLHLT-T is classified as Obsolete, while the A1389LLHLT-9-T carries a Not For New Designs status. For new production designs, evaluation of current-generation Hall Effect sensors from Allegro MicroSystems is recommended to ensure long-term supply chain stability and access to the latest technology enhancements.

The substitute part demonstrates higher maximum supply current capability (11.5mA versus 8mA), which provides additional design margin in power delivery circuits. The bandwidth specification of the substitute (20kHz) remains within acceptable tolerance for applications requiring the original 21kHz bandwidth.

Frequently Asked Questions (FAQ)

Q: Can the A1389LLHLT-9-T be used as a direct replacement for the A1383LLHLT-T in existing designs?

A: Yes. Both components share identical package type (SOT-23W), mounting configuration (Surface Mount), supply voltage range (4.5V ~ 5.5V), operating temperature range (-40°C ~ 150°C), and output characteristics (Analog Voltage, 10mA maximum output current). Electrical and mechanical compatibility is confirmed.

Q: What is the significance of the higher supply current specification in the substitute part?

A: The A1389LLHLT-9-T specifies 11.5mA maximum supply current compared to 8mA in the original part. This represents an increase in available current capacity and does not create compatibility issues in circuits designed for the original specification. Existing power supply designs will continue to function correctly.

Q: Are there packaging differences between these two parts?

A: Both components use the SOT-23W package type and Surface Mount mounting configuration. The A1389LLHLT-9-T is supplied in Tape & Reel (TR) packaging format, which is standard for high-volume production environments. No physical or electrical package differences exist.

Q: How do the bandwidth specifications compare?

A: The original A1383LLHLT-T specifies 21kHz bandwidth, while the substitute A1389LLHLT-9-T specifies 20kHz. This 1kHz difference falls within acceptable engineering tolerance for analog Hall Effect sensor applications and does not impact functional compatibility.

Q: What is the product status difference between these parts?

A: The A1383LLHLT-T is classified as Obsolete, indicating end-of-life status and limited availability. The A1389LLHLT-9-T carries a Not For New Designs designation, indicating it remains available but is not recommended for new product development. For long-term production continuity, evaluation of current-generation alternatives is advised.