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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.
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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.
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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
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