SM351RT Sensors, Transducers

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Function:	Omnipolar Switch
Technology:	Magnetoresistive
Polarization:	Either
Sensing Range:	±1.1mT Trip, ±0.2mT Release
Test Condition:	-40°C ~ 85°C
Voltage - Supply:	3 V ~ 24 V
Current - Supply (Max):	5mA
Current - Output (Max):	--
Output Type:	Open Collector
Features:	--
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SOT-23

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Introduction

The SM351RT is a Solid State magnetic switch that has a broad range of applications and is suitable for many different types of security and safety systems. The SM351RT is primarily used for door or window security, motion and presence detection, and access control systems. In addition, the SM351RT can be used to reliably detect the presence of a magnetic field in industrial applications, such as factory or warehouse automation and conveyor belt systems. The SM351RT is also suitable for applications which require high-security and conditions, such as data storage centers and systems.

Features

The SM351RT is equipped with an internal magnet and a reed switch contact, which detects the presence of an externally applied magnetic field and operates as an open or closed contact depending on the magnetic field strength. It has a fast response time of 5ms and a maximum operating voltage of 50V AC or DC. It is also RoHS compliant, and is designed for reliable operation in environments between -40°C to +125°C.

Application Field

The SM351RT can be used in many different types of security and safety systems for a variety of different applications. The SM351RT can be used for general door and window security applications, for motion and presence detection in homes or outdoor applications, and for access control applications. The SM351RT can also be used in industrial applications such as factory and warehouse automation, conveyor belt systems, and high-security data storage systems.

Working Principle

The SM351RT works by detecting the presence of a magnetic field in its environment and either opening or closing the internal contact depending on the strength of the applied field. When the field is absent, the contact in the switch is closed, and when a magnetic field is present, the contact is opened. The SM351RT is designed to operate in environments between -40°C to +125°C, and has a fast response time of 5ms.

Conclusion

The SM351RT is a Solid State Magnetic Switch that is used in a variety of security and safety applications. It has an internal magnet and reed switch contact, which can detect the presence of an externally applied magnetic field and operate as an open or closed contact depending on field strength. The SM351RT is RoHS compliant and is designed for reliable operation in temperatures between -40°C to +125°C.

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