• A1121LUA-T Package
A1121LUA-T Package

A1121LUA-T

In Stock:5,150

A1121LUA-T is a high-quality Switches (Solid State) from Allegro MicroSystems with a supply voltage range of 3 V ~ 24 V with a operating temperature range of - 40 C ~ + 150 C

Rapid Quote

Submit your quote request for A1121LUA-T using this form.You can also reach us via email at Email: [email protected], and we will respond within 12 hours.

  • 90-day after-sales guarantee
  • 365 Days Quality Guarantee
  • Genuine Product Guarantee
  • 7*24 Hours Service Guarantee

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category Board Mount Hall Effect / Magnetic Sensors RoHS Details
Type Unipolar Operating Supply Current 4 mA
Maximum Output Current 25 mA Operating Point Min/Max 50 G to 135 G
Release Point Min/Max (Brp) 40 G to 110 G Operating Supply Voltage 3 V to 24 V
Minimum Operating Temperature - 40 C Maximum Operating Temperature + 150 C
Mounting Style Through Hole Package / Case SIP-3
Series A1121 Brand Allegro MicroSystems
Output Type Open Drain Output Voltage 185 mV
Product Hall Effect Switches Product Type Hall Effect / Magnetic Sensors
Factory Pack Quantity 500 Subcategory Sensors
Supply Voltage - Max 24 V Supply Voltage - Min 3 V
Termination Style Solder Pad With Switch With Switch

Overview of A1121LUA-T

The A1121LUA-T is a Hall-effect sensor IC designed for sensing the presence or absence of a magnetic field. It utilizes the Hall effect to detect changes in magnetic fields and provides a digital output signal based on the detected field. This sensor is highly sensitive and reliable, making it suitable for a wide range of applications requiring magnetic field detection.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • GND: Ground connection
  • VCC: Positive power supply
  • OUT: Digital output signal

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the A1121LUA-T IC for a visual representation.

Key Features

  • Hall-Effect Sensor: Utilizes the Hall effect to detect and measure magnetic fields.
  • Digital Output: Provides a digital output signal based on the presence or absence of a magnetic field.
  • High Sensitivity: Offers high sensitivity to ensure accurate detection of magnetic fields.
  • Wide Operating Voltage Range: Operates from a single +3.0V to +5.5V supply, making it compatible with a wide range of systems.
  • Low Power Consumption: Consumes minimal power, making it suitable for battery-powered applications.
  • Compact Package: Available in a small SOT-23 package for space-saving designs.

Note: For detailed technical specifications, please refer to the A1121LUA-T datasheet.

Application

  • Proximity Sensing: Ideal for proximity sensing applications that require detection of magnetic fields.
  • Contactless Switching: Suitable for contactless switching applications, such as detecting the opening or closing of a door or lid.
  • Magnetic Encoder: Can be used as a magnetic encoder for rotational or linear position sensing.

Functionality

The A1121LUA-T is a Hall-effect sensor IC that detects changes in magnetic fields and provides a digital output signal based on the presence or absence of a magnetic field. It offers reliable and accurate magnetic field detection for various applications.

Usage Guide

  • Power Supply: Connect VCC (Pin 2) to the positive power supply and GND (Pin 1) to the ground.
  • Output Signal: The OUT (Pin 3) provides a digital output signal that indicates the presence or absence of a magnetic field.

Frequently Asked Questions

Q: Can the A1121LUA-T be used for contactless switching applications?
A: Yes, the A1121LUA-T is suitable for contactless switching applications that require detection of magnetic fields.

Q: What is the operating voltage range of the A1121LUA-T?
A: The A1121LUA-T operates from a single +3.0V to +5.5V power supply.

Equivalent

For similar functionalities, consider these alternatives to the A1121LUA-T:

  • SS495A: This is a similar Hall-effect sensor IC from Honeywell, offering comparable magnetic field detection capabilities.
  • US1881: This is another Hall-effect sensor IC from Allegro Microsystems, providing similar functionality for magnetic field detection.

Warranty & Returns

Warranty, Returns, and Additional Information

  • QA & Return Policy ?

    Parts Quality Guarantee: 365 days

    Returns for refund: within 90 days

    Returns for Exchange: within 90 days

  • Shipping and Package ?

    Shipping:For example, FedEx, JP, UPS, DHL,SAGAWA, or YTC.

    Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.

  • Payment ?

    For example, channels like VISA,MasterCard,Western Union,PayPal,MoneyGram,Rakuten Pay and more.

    If you have specific payment channel preferences or requirements, please get in touch with our sales team for assistance.

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Inventory:

5,150
Specifications Overview of A1121LUA-T Warranty & Returns Similar Products Popular Products

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After Sales Service

What after-sales service can be provided?

We provide an extended quality assurance period of 365 days for all components we offer. If a return or exchange becomes essential, kindly adhere to these guidelines:

·Initiate the request within 90 days after the item's shipment date.

·Coordinate the return or exchange with our team.

·Keep the items in their original condition as delivered.

·Please be aware that the feasibility of returning or exchanging items is contingent upon an evaluation of their actual state upon return.

Shipping

What channels of transportation of goods does the website support?

We usually send out our orders during business days using FedEx, SF, UPS, or DHL. We're also here to assist with alternative shipping options. Should you require additional information about shipping particulars or expenses, please don't hesitate to get in touch with us.

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Package

How to ensure that the parts will be intact during transportation?

The items we ship will be packaged in anti-static bags, ensuring ESD anti-static protection, while the outer packaging boasts exceptional durability and sealing. We offer packaging options like Tape and Reel, Cut Tape, Tube, or Tray to suit your needs.

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Payment

Which payment methods can be used to pay for goods

Accepted payment methods commonly encompass VISA, MasterCard, UnionPay, Western Union, PayPal, and various other options.

Should you have a particular payment preference or wish to seek information on rates and other specifics, please feel free to reach out to us.

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