Dilshaad
Dilshaad Content Marketer
On Feb 10, 2025

The MT9105ET Board Mount Motion & Position Sensor by MagnTek is a versatile, compact, and high-precision sensor ideal for applications in industrial automation, motor control, object detection, and consumer electronics. Its low power consumption, ratiometric analog output, and fast response time make it a top choice for engineers and developers.

In today’s rapidly advancing technological world, precise motion and position sensing play a crucial role in various industries, from industrial automation to consumer electronics. One of the best-in-class Hall-effect sensors available in the market is the MT9105ET Board Mount Motion & Position Sensor, manufactured by MagnTek. This SOT-23 package sensor provides accurate angle and linear position detection while being RoHS compliant.

At Xon Electronics, we bring you the MT9105ET sensor, available for global delivery, including the USA, India, Australia, Europe, and beyond. We will explore its technical specifications, features, applications, circuit integration, and real-world use cases to help engineers and designers incorporate this component into their projects efficiently.

Technical Specifications of MT9105ET

The MT9105ET is a high-precision Hall-effect sensor designed for motion and position detection. Below are its detailed specifications:

  • Manufacturer: MagnTek

  • Model: MT9105ET

  • Sensor Type: Hall-Effect Motion & Position Sensor

  • Package Type: SOT-23 (Compact and surface-mountable)

  • Supply Voltage: 3.0V – 5.5V

  • Output Type: Analog (Ratiometric)

  • Power Consumption: Low-power (~1.5mA)

  • Sensing Range: Angle and linear position measurement

  • Response Time: Fast response for dynamic applications

  • Operating Temperature: -40°C to 85°C

  • Compliance: RoHS

The compact SOT-23 package allows the MT9105ET to be used in space-constrained applications, making it ideal for a wide range of industrial and consumer electronics projects.

Key Features of MT9105ET

The MT9105ET sensor is designed with advanced Hall-effect technology, offering several key benefits:

? High-precision motion and position sensing – Detects both angular and linear positions with high accuracy.
? Ultra-low power consumption – Ideal for battery-powered and portable applications.
? Compact SOT-23 package – Small form factor for easy PCB integration.
? Ratiometric analog output – Ensures stable and proportional voltage output based on magnetic field changes.
? Fast response time – Suitable for real-time motion tracking and control.
? Wide operating voltage range (3.0V – 5.5V) – Compatible with various microcontrollers and embedded systems.
? RoHS compliant – Environmentally friendly and free from hazardous substances.

Applications of MT9105ET Sensor

The MT9105ET is widely used across multiple industries due to its versatile sensing capabilities. Below are some common applications:

1. Industrial Automation & Robotics

  • Position sensing in robotic arms and automation systems.

  • Motion tracking in conveyor belt control systems.

  • Detection of mechanical displacement and positioning in industrial machinery.

2. Proximity Sensing & Object Detection

  • Used in contactless position sensing to detect objects within a given range.

  • Integration into smart door locks and security systems.

3. Motor Position & Angle Measurement

  • Detection of rotational angles in electric motors.

  • Used in servo motor control for robotics and automation.

4. Current Sensing & Magnetic Field Measurement

  • Used in power supplies and battery management systems to monitor electrical current.

  • Measuring magnetic field variations in electrical circuits.

5. Consumer Electronics & IoT Devices

  • Integrated into wearable technology for motion sensing.

  • Used in gaming controllers and 3D navigation sensors.

With such a broad range of applications, the MT9105ET sensor is an excellent choice for engineers looking to implement precise motion and position sensing in their designs.

Circuit Diagram for MT9105ET Integration

To effectively use the MT9105ET sensor, a basic circuit needs to be designed to process the output data. Below is a simple circuit diagram for integrating the sensor with a microcontroller:

Components Required:

  • MT9105ET Sensor

  • Microcontroller (Arduino, ESP32, Raspberry Pi, etc.)

  • 10kO Pull-up Resistor (R1)

  • Capacitor (C1 - 100nF)

  • Power Supply (3.3V or 5V)

Circuit Connection:

  • Vcc ? Connected to 3.3V or 5V Power Supply

  • GND ? Connected to Ground (0V)

  • Vout ? Connected to Analog Input (ADC) of Microcontroller

  • R1 (10kO Pull-up Resistor) connected between Vout and Vcc

  • C1 (100nF Capacitor) connected between Vout and GND to reduce noise

This setup allows the microcontroller to read the analog output from the sensor and process real-time motion and position data.

Use Case Scenario: MT9105ET in Motor Position Control

Problem Statement:

A company developing automated robotic arms requires an accurate and low-power position sensing solution for motor angle detection.

Solution Using MT9105ET:

The MT9105ET sensor is placed near a rotating magnet attached to the robotic arm’s motor shaft. As the motor rotates, the sensor detects changes in the magnetic field and generates an analog voltage output proportional to the rotation angle.

Implementation Steps:

  1. Mount the MT9105ET sensor near the rotating magnetic field source.

  2. Connect the sensor’s Vout to the microcontroller’s ADC pin.

  3. Program the microcontroller to read the sensor output and map it to an angle value.

  4. Use this data to control the robotic arm’s movement and alignment.

Outcome:

  • The robotic arm achieves precise positioning with minimal power consumption.

  • The sensor’s fast response allows real-time angle adjustments.

  • The compact SOT-23 package ensures easy integration into the robot’s control board.

This example demonstrates how the MT9105ET sensor can be effectively used in automated motor control systems, enhancing efficiency and accuracy.

Why Buy MT9105ET from Xon Electronics?

At Xon Electronics, we provide high-quality electronic components with global shipping to meet the needs of engineers and manufacturers worldwide. Here’s why you should buy the MT9105ET sensor from us:

?? Authentic MagnTek Components – Guaranteed quality and performance.
?? Competitive Pricing – Affordable rates for bulk and individual purchases.
?? Fast Global Delivery – Serving USA, India, Australia, Europe, and more.
?? Comprehensive Datasheets & Support – Download MT9105ET datasheet (PDF) for detailed technical insights.

FAQs for MT9105ET Board Mount Motion & Position Sensor by MagnTek

1. What is the MT9105ET sensor?

The MT9105ET is a Hall-effect-based motion and position sensor from MagnTek. It is designed for linear and angular position sensing, featuring a compact SOT-23 package, low power consumption, and RoHS compliance.

2. What are the key applications of the MT9105ET?

This sensor is widely used in:

  • Industrial automation (position tracking, conveyor belt movement)
  • Proximity detection (detecting nearby magnetic objects)
  • Rotary and linear position sensing (angle measurement, motor feedback)
  • Current sensing (detecting magnetic fields from electrical currents)

3. What is the power supply range for the MT9105ET?

The MT9105ET operates within a voltage range of 3.0V to 5.5V, making it suitable for various electronic applications.

4. How does the MT9105ET work?

The sensor detects changes in the magnetic field and produces an analog output voltage that varies linearly with the applied magnetic flux. This makes it ideal for precise position measurement in control systems.

5. Is the MT9105ET RoHS compliant?

Yes, the MT9105ET is RoHS compliant, meaning it is free from hazardous substances and meets environmental safety standards.

6. What package type does the MT9105ET use?

The MT9105ET is available in a SOT-23 package, which is compact and easy to integrate into space-constrained circuit boards.

7. How can I integrate the MT9105ET into a circuit?

A basic application circuit involves:

  • Connecting Vcc (3.0V–5.5V) to the power supply
  • Using a pull-up resistor (R1) on the output pin
  • Connecting Vout to an ADC or microcontroller for data processing
  • Grounding the GND pin

8. Where can I buy the MT9105ET sensor?

The MT9105ET is available globally at Xon Electronics, serving USA, India, Australia, Europe, and other regions.

9. Where can I find the MT9105ET datasheet?

You can download the MT9105ET datasheet (PDF) from the Xon Electronics website or the manufacturer’s official page.

10. What is the typical output of the MT9105ET in the absence of a magnetic field?

When no magnetic field is present, the output voltage (Vout) is typically at half of Vcc, making it easy to detect deviations due to applied magnetic fields.


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