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Allegro MicroSystems A112 Series

10 variants · Allegro MicroSystems

About the Allegro MicroSystems Allegro MicroSystems A112 Series series

The Allegro MicroSystems Allegro MicroSystems A112 Series series groups 10 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. The listed variants share a common current - output of 25mA, current - supply of 4mA and features of -. Variants differ by case, mounting type and operating temperature, so you can match the exact case your application requires using the selection guide below.

Select a variant by

Case
3-SSIP · SOT-23W
Mounting type
Surface Mount · Through Hole
Operating temperature
-40°C ~ 150°C (TA) · -40°C~85°C(TA) · -40°C~150°C(TA)
Package
Bulk · Tape & Reel (TR); Cut Tape (CT)
Test condition
-40°C ~ 85°C · -40°C ~ 150°C

Variant comparison

ParameterA1120ELHLT-TA1120LLHLT-TA1120LUA-T
CaseSOT-23WSOT-23W3-SSIP
Mounting typeSurface MountSurface MountThrough Hole
Operating temperature-40°C~85°C(TA)-40°C~150°C(TA)-40°C ~ 150°C (TA)
PackageTape & Reel (TR); Cut Tape (CT)Tape & Reel (TR); Cut Tape (CT)Bulk
Test condition-40°C ~ 85°C-40°C ~ 150°C-40°C ~ 150°C

Shared specifications

Current - output
25mA
Current - supply
4mA
Features
-
Function
Unipolar Switch
Output type
Open Drain
Polarization
South Pole
Sensing range
5mT Trip, 0.5mT Release
Technology
Hall Effect
Voltage
3V ~ 24V

Request a quote on any Allegro MicroSystems A112 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

Frequently asked questions

How do the Allegro MicroSystems Allegro MicroSystems A112 Series variants differ?
Allegro MicroSystems A112 Series part numbers differ by case, mounting type, operating temperature and package. Use the selection guide above to pick by case.
How many Allegro MicroSystems Allegro MicroSystems A112 Series part numbers are listed?
10 Allegro MicroSystems Allegro MicroSystems A112 Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for Allegro MicroSystems Allegro MicroSystems A112 Series?
Request a quote (RFQ) for any Allegro MicroSystems A112 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.

All variants