A1245LLHLT-I1-T Allicdata Electronics
Allicdata Part #:

A1245LLHLT-I1-T-ND

Manufacturer Part#:

A1245LLHLT-I1-T

Price: $ 0.50
Product Category:

Sensors, Transducers

Manufacturer: Allegro MicroSystems, LLC
Short Description: MAGNETIC SWITCH LATCH SOT23-3
More Detail: Digital Switch Latch Open Drain Hall Effect SOT-23...
DataSheet: A1245LLHLT-I1-T datasheetA1245LLHLT-I1-T Datasheet/PDF
Quantity: 1000
6000 +: $ 0.45644
Stock 1000Can Ship Immediately
$ 0.5
Specifications
Series: --
Packaging: Tape & Reel (TR) 
Part Status: Active
Function: Latch
Technology: Hall Effect
Polarization: South Pole
Sensing Range: 4mT Trip, -4mT Release
Test Condition: -40°C ~ 150°C
Voltage - Supply: 3 V ~ 24 V
Current - Supply (Max): 6.9mA
Current - Output (Max): --
Output Type: Open Drain
Features: --
Operating Temperature: -40°C ~ 150°C (TA)
Package / Case: TO-236-3, SC-59, SOT-23-3
Supplier Device Package: SOT-23-3
Description

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A1245LLHLT-I1-T is an industry-leading an inductive magnetic field sensor/switch, which can be used as a reliable sensor with low magnetic field strength requirements, thanks to its superior technology and high accuracy. It is a versatile tool for detecting and monitoring the magnetic field or presence of a magnet. The sensor can detect small objects and changes in magnetic fields that occur over a certain range of frequencies. It is typically used for sensing metal objects such as coins, credit cards, and magnetic tags.

The A1245LLHLT-I1-T sensor/switch is designed to detect magnetic field changes, majorly at low magnetic field strengths. As compared to the traditional mechanical switches, the A1245LLHLT-I1-T offers improved sensitivity since it does not require physical contact between the magnet and the target object. This makes it an ideal application for self-diagnostics and maintenance of industrial machines. The sensor ensures reliable operation even under extreme environmental conditions including high temperatures, vibration, and dust.

The A1245LLHLT-I1-T consists of a miniaturized high-Q coil, a full CMOS driver integrated circuit, and an array of surfaces that can be aligned to sense north and south pole. The coil is constructed using high-quality ceramic material to provide higher magnetic sensitivity and reliability. The coil starts generating magnetic flux as soon as it is exposed to a magnetic field. The flux is then sensed by the integrated circuit which responds accordingly, and sends out a signal to the output.

In terms of operation, different types of magnetic fields can be used to trigger the switch, such as the magnetic fields of direct current, alternating current, or permanent magnets. When the magnetic field strength reaches a certain threshold, an electrical circuit is closed and generates an output signal. The switch can be connected to an external circuit, allowing the user to control external devices or trigger certain actions in response to a change in magnetic field strength. This makes it suitable for applications such as controlling access points, detecting tagged objects, and surveillance.

The A1245LLHLT-I1-T magnetic sensor/switch also has a variety of industrial applications such as motor feedback control, motion detection, and machine location (e.g. in robotic systems). Alternative uses include automotive safety systems, positional sensors, and valve/gateway detection. As the A1245LLHLT-I1-T is an inductive device, it is better suited for more demanding situations, allowing consistent, reliable motion sensing in harsh environments.

Overall, the A1245LLHLT-I1-T has many advantages due to its ability to detect small magnetic fields with high accuracy, flexibility, and consistent sensing even in difficult-to-reach environments. The sensor/switch is an ideal choice for applications which require low-intensity detection, and can be deployed in a wide range of industrial and consumer applications.

The specific data is subject to PDF, and the above content is for reference

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