S-5742NBH2B-Y3N2U

Series:	S-5742B
Part Status:	Active
Function:	Bipolar Switch
Technology:	Hall Effect
Polarization:	Either
Sensing Range:	9mT Trip, -9mT Release
Test Condition:	25°C
Voltage - Supply:	3.5 V ~ 26 V
Current - Supply (Max):	4mA
Current - Output (Max):	20mA
Output Type:	Open Drain
Features:	--
Operating Temperature:	-40°C ~ 125°C (TA)
Package / Case:	TO-226-3, TO-92-3 Short Body
Supplier Device Package:	TO-92S

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Introduction
The S-5742NBH2B-Y3N2U is a Magnetic Sensor - Switch (Solid State) created by Panasonic Factory Automation, which processes user initiated signals such as push/pull, open/close or far/near. It is a very useful magnetic sensor due to its extra wide temperature range and high current capacity, thus making it more suitable for wide range of applications, including but not limited to automotive, industrial automation, medical devices and consumer applications.
Application Field
The S-5742NBH2B-Y3N2U is suitable for a wide range of applications due to its high current capacity and wide temperature range. It is used in various automotive, consumer, industrial and medical applications.In automotive applications, the S-5742NBH2B-Y3N2U can be used as a brake pad monitor for brake pedal feel. The permanent magnet mounted on the brakes, and the sensing coil are tied together, and the sensor measures the magnetization force of the magnet to determine whether the brakes on the vehicle have been engaged or not. This feature of the S-5742NBH2B-Y3N2U helps to improve safety of vehicles contributing to the driver experience and security.Other industrial uses of the S-5742NBH2B-Y3N2U include physical security systems like burglary and fire alarms, where the sensor activates alarms when it detects an intruder. It is also widely used in industrial machinery for interlock systems, where it can detect the presence of objects or fingers entering into machinery to ensure safety, as well as elevator door detection, to ensure that the elevator doors are kept closed when they are intended to be.In consumer applications, the S-5742NBH2B-Y3N2U provides the function of detecting when a product has been moved or taken from an area. This is mainly used in security systems for home, shops, etc., where the sensor detects the presence of valuable items and can alert the user if it senses a movement or change in the position of an item.Last but not least, this sensor has a plethora of medical applications which ranges from drug safety to medical imaging. With the help of the S-5742NBH2B-Y3N2U, drug inspection systems can be built which can detect if a particular dose of a drug is missing and can alert the user to take action. It can also be used in medical imaging including ultrasound and X-ray to detect and measure the size of vital organs.Working Principle
The S-5742NBH2B-Y3N2U is a type of magnetic switch that uses a permanent magnet and an electromagnetic coil which works by producing a magnetic flux. The permanent magnet is installed on the moving part, and when it approaches the coil, the magnetic flux linkage between the permanent magnet and the coil increases linearly.The voltage across the coil is the input signal for the sensor. The output signal from the sensor is developed based on the signal level and the state of the moving part. The voltage output level of the sensor then indicates whether the permanent magnet is approaching the coil or moving away.The current flowing through the coil can be controlled if external circuitry is used. An external circuit can be connected to the coil in order to control the amount of current flowing through the coil. This not only improves the sensitivity of the sensor but also increases the temperature range where the sensor can be used.Conclusion
To sum up, the S-5742NBH2B-Y3N2U is a Magnetic Sensor - Switch (Solid State) by Panasonic Factory Automation which is widely used in automotive, industrial, consumer and medical applications due to its extra wide temperature range and high current capacity. This sensor uses a permanent magnet and an electromagnetic coil to produce a magnetic flux, and the output signal from the sensor indicates whether the permanent magnet is approaching the coil or moving away. This is achieved by controlling the amount of current flowing through the coil with external circuitry.

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