SS49E Hall Effect Sensor: Precision Magnetic Field Detection for Versatile Applications

 

The SS49E is a linear Hall-effect sensor known for its accuracy, sensitivity, and simplicity. It’s widely used to measure magnetic fields, detect proximity, and convert magnetic strength into voltage output. Designed for versatility, the SS49E finds applications in everything from robotics and automotive systems to consumer electronics and industrial automation. 

 

Key Features of SS49E 

1. Linear Hall-Effect Sensor 

Produces a voltage output directly proportional to the strength of the magnetic field. 

2. Wide Operating Voltage Range 

Works with 2.7V to 6.5V, compatible with various microcontrollers like Arduino and ESP32.

3. High Sensitivity 

Detects even small magnetic field changes, making it ideal for precision applications. 

4. Analog Voltage Output 

Provides a continuous analog output, not just binary signals, for detailed field strength readings.

5. Temperature Stability 

Built-in compensation ensures reliable operation across a wide temperature range. 

6. Compact & Easy to Use 

Comes in a small, 3-pin TO-92 package, easy to integrate into compact designs. 

7. Low Power Consumption 

Draws minimal current, perfect for battery-powered and portable devices. 

 

Specifications of SS49E 

 

Supply Voltage (Vcc)                       2.7V to 6.5V       

Quiescent Output Voltage             ~2.5V (at 0 Gauss) 

Sensitivity                                           ~1.4mV/Gauss           

Output Voltage Range                    0.5V to 4.5V           

Current Consumption                     10mA (typical)        

Temperature Range                        -40°C to +100°C     

Package Type                                   TO-92 (3-pin)          

 

Pinout of SS49E 

 

1. Vcc (Pin 1) → Power supply (2.7V–6.5V) 

2. GND (Pin 2) → Ground connection 

3. Vout (Pin 3) → Analog voltage output proportional to magnetic field strength 

 

Applications of SS49E 

 

1. Proximity and Position Sensing 

   - Detect the position of magnets in door sensors, limit switches, and gear counters. 

2. Current Sensing 

   - Measure current flow through a conductor by detecting its magnetic field.

3. Rotary and Linear Encoders 

   - Track motor shaft rotation or linear motion using magnetic strips or discs. 

4. Automotive Sensors 

   - Used for ABS wheel speed sensing, throttle position, and gear detection. 

5. Robotics and Automation 

   - Enable magnetic field detection for obstacle avoidance, navigation, and actuation feedback. 

6. Consumer Electronics 

   - Found in devices like smartphones, gaming controllers, and VR systems for position detection. 

7. DIY and Educational Projects 

   - Ideal for learning about magnetic fields and building simple experiments with Arduino.

For video tutorial