A1156LUA-T The Allegro Microsystems A1156LUA-T is a unipolar Hall-effect switch with a current source output. It operates within a 3V to 24V range and a temperature range of -40°C to 150°C.
Mfr Part #:

A1156LUA-T

Available from 1 distributors
Mfr Name: Allegro Microsystems
Allegro Microsystems
The Allegro Microsystems A1156LUA-T is a unipolar Hall-effect switch with a current source output. It operates within a 3V to 24V range and a temperature range of -40°C to 150°C.
Total Stock: 2,217 pcs
$ Price Range: $1.50

A1156LUA-T Available from 1 distributor

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
2,217 pcs
2217 pcs On Request 1 On Request On Request 19+ On Request On Request

A1156LUA-T Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Function
Mounting Type
Operating Temperature
Output Type
Polarization
Sensing Range
Supplier Device Package
Supplier Package
Technology
Test Condition
Voltage

A1156LUA-T Description

Short technical summary and product information.

The Allegro Microsystems A1156LUA-T is a two-wire, unipolar Hall-effect switch designed for automotive applications. It utilizes a high-frequency, 4-phase chopper-stabilization technique for magnetic stability across its operating temperature range of -40°C to 150°C.

 

This device features a current source output and operates on a supply voltage from 3V to 24V. Its sensing range is specified with a 6mT trip point and a 1mT release point. The A1156LUA-T is built on an advanced BiCMOS wafer fabrication process, ensuring solid-state reliability and robust performance.

 

Offered in a 3-pin SIP (Single Inline Package) for through-hole mounting, this component is suitable for cost-sensitive applications requiring fewer wires for operation compared to traditional open-collector switches. The integrated diagnostics capability, where output current levels indicate fault conditions, adds to its system design advantages.

 

Key features include on-chip protection for supply transients and reverse battery conditions, an on-board voltage regulator, and industry-leading ISO 7637-2 performance. The package is lead (Pb) free with 100% matte-tin leadframe plating.

A1156LUA-T Quick Information

Product Type: Hall-Effect Switch
Canonical Name: Allegro Microsystems A1156LUA-T Hall-Effect Switch
Subcategory: Solid State Switches

A1156LUA-T Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

A1156LUA-T Estimated Pricing

Qty Low High
1+ $1.50 $1.50

Estimated market price range - modelled values for guidance only, not live distributor offers.

A1156LUA-T Features

  • Two-wire, unipolar Hall-effect switch.
  • Operates from 3V to 24V supply.
  • Wide temperature range: -40°C to 150°C.
  • Current source output type.
  • Through-hole mounting package.

A1156LUA-T Applications

  • Sensing seat track position.
  • Detecting seat belt buckle presence.
  • Hood or trunk latching detection.
  • Shift selector position sensing.

A1156LUA-T FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the A1156LUA-T?

The A1156LUA-T operates within a voltage range of 3V to 24V.

What is the operating temperature range for this Hall-effect switch?

The operating temperature range for the A1156LUA-T is -40°C to 150°C.

What type of output does the A1156LUA-T provide?

The A1156LUA-T features a current source output.

How is the A1156LUA-T mounted?

The A1156LUA-T is designed for through-hole mounting.

What is the RoHS status of the A1156LUA-T?

The A1156LUA-T is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for the A1156LUA-T?

The Moisture Sensitivity Level (MSL) for the A1156LUA-T is 1 Unlimited.

Home
Account

Categories