MRMS211H-001

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Magnetic sensors are devices that use a magnet to detect changes in movement or position based on changes in magnetic field. It is often used for sensing the proximity of metal or to detect motion. Magnetic switches, also known as solid-state switches, are a type of magnetic sensor that detect the presence of magnetic fields and make reliable, high-speed switches, which can be used to control other electronic devices. This article will discuss the application field and working principle of the MRMS211H-001 magnetic switch.

The MRMS211H-001 is a miniature SMD (surface mount device) magnetic switch designed for use in various applications. It leverages a non-contact magnetic sensing principle to create a dry contact switch with a premium performance that is unaffected by dirt, dust, or debris. With a wide operating temperature range of -40°C to +85°C, it is ideal for applications that require operating in extreme temperatures.

The MRMS211H-001 is commonly used to detect the presence of other magnets by sensing a change in the strength or direction of a magnetic field. The device contains an internal Hall Effect sensor with onboard amplification circuitry and a logic output. When the magnet is within the detected range, the Hall Effect sensor reacts and sends a signal to the switch that triggers the output. With a detection range up to 7mm, it accurately produces a “closed” or “open” logic signal depending on the presence of a magnet in the vicinity.

The switch is designed with a low-activation threshold, making it especially suitable for applications such as proximity sensing, door and window sensing, switch triggering, and safety monitoring. It can also be used as an alarm when the magnet is detected in an area that should be off-limits or as a detection mechanism for any equipment that needs to be monitored. With its high sensitivity, the switch trigger will activate on as little as 10 G (0.10 gauss) of magnetic flux.

The MRMS211H-001 is composed of two main components: a Hall Effect sensor and an operational amplifier. The Hall Effect sensor is a magnetic field sensing transducer that produces an output voltage proportional to the strength of the field in which it is positioned. It is made up of semiconducting material, and in the MRMS211H-001, the sensing element is a bipolar transistor. This transistor works by converting the magnetic field into an electrical signal, which is then amplified and outputted by the operational amplifier.

The output phase of the device is controlled by the bias polarity and is independent of the magnetic field’s polarity. This is achieved by reversing the polarity of the bias current. The output can be set to open or close upon detection of the magnetic flux in either direction. The MRMS211H-001 comes with adjustable current boost and adjustable damping time for additional flexibility in applications.

All in all, the MRMS211H-001 magnetic switch has many features that make it ideal for a wide range of applications. With its small size, low power consumption, and adjustable sensitivity, the device is suitable for use in industrial, automotive, building automation, and healthcare applications. With its robust and reliable performance, it is the perfect switch for demanding applications and helps to make the switch triggering process more efficient.

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