APS12235LLHALU Equivalent & Substitute Parts

Part Overview

The APS12235LLHALU is a digital switch latch Hall Effect magnetic sensor manufactured by Allegro MicroSystems, designed for automotive-grade applications requiring reliable magnetic field detection. This component features open drain output architecture with latch functionality, enabling detection of both north and south pole magnetic fields within a 18mT trip and -18mT release sensing range.

The APS12235LLHALU is currently discontinued at DiGi Electronics. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for systems utilizing this magnetic sensor technology.

Substiute Parts

APS12235LLHALU

Allegro MicroSystemsIn Stock: 1251APS12235LLHALU Datasheet

Current PartRFQ

APS12235LLHALT

Allegro MicroSystemsIn Stock: 1046APS12235LLHALT Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the APS12235LLHALU are identified based on strict equivalence across the following critical parameters:

• Manufacturer: Allegro MicroSystems
• Function: Latch
• Technology: Hall Effect
• Polarization: North Pole, South Pole
• Sensing Range: 18mT Trip, -18mT Release
• Voltage Supply: 2.8V ~ 5.5V
• Current Supply (Max): 4mA
• Current Output (Max): 60mA
• Output Type: Open Drain
• Operating Temperature: -40°C ~ 150°C (TA)
• Package / Case: SOT-23W
• Mounting Type: Surface Mount
• Grade: Automotive
• Qualification: AEC-Q100

The APS12235LLHALT meets all electrical and mechanical substitution criteria. The primary distinction is packaging format: the substitute part is supplied in Tape & Reel (TR) configuration, whereas the main part number does not specify packaging type. Both parts share identical electrical performance characteristics, thermal ratings, and automotive qualification standards.

Parameter Comparison

Engineering Selection Recommendations

The APS12235LLHALT is a direct functional equivalent to the APS12235LLHALU. Both components are manufactured by Allegro MicroSystems and maintain identical electrical specifications, thermal operating ranges, and automotive-grade certifications including AEC-Q100 qualification.

The primary consideration for component selection is product availability and supply status. The APS12235LLHALU is discontinued at DiGi Electronics, whereas the APS12235LLHALT maintains active product status with current inventory availability. Both parts comply with ROHS3 and REACH requirements.

The packaging format difference (Tape & Reel for the substitute) does not affect electrical or mechanical compatibility. This distinction is relevant only for procurement and assembly process planning.

Frequently Asked Questions (FAQ)

Q: Can APS12235LLHALT directly replace APS12235LLHALU in existing designs?

A: Yes. Both parts are electrically and mechanically equivalent. They share identical sensing characteristics, voltage supply requirements, output specifications, and thermal ratings. No circuit modifications are required.

Q: What is the difference between these two part numbers?

A: The primary difference is packaging format. APS12235LLHALT is supplied in Tape & Reel (TR) configuration, while APS12235LLHALU does not specify a packaging format. Electrical performance and component specifications are identical.

Q: Are both parts automotive-grade qualified?

A: Yes. Both APS12235LLHALU and APS12235LLHALT carry automotive-grade classification with AEC-Q100 qualification, meeting automotive industry reliability and quality standards.

Q: What is the SOT-23W package?

A: SOT-23W is a surface mount package for Hall Effect sensors. Both substitute parts use this identical package, ensuring compatibility with existing PCB layouts and assembly processes.

Q: Do both parts have the same sensing range?

A: Yes. Both components detect magnetic field changes at 18mT trip threshold and -18mT release threshold, with support for north and south pole polarization detection.

Q: What are the supply voltage requirements?

A: Both parts operate within a 2.8V to 5.5V supply voltage range, with maximum supply current of 4mA and maximum output current of 60mA.

Q: Are there any compliance or certification differences?

A: No. Both parts are ROHS3 compliant, REACH unaffected, and carry identical moisture sensitivity level (MSL 1 - Unlimited) ratings.