10-Pack 49E Linear Hall Effect Sensors OH49E SS49E TO-92
10-Pack 49E Linear Hall Effect Sensors OH49E SS49E TO-92
10-Pack 49E Linear Hall Effect Sensors (OH49E / SS49E)
Get reliable, precise magnetic field sensing with this 10-pack of 49E Linear Hall Effect Sensors (also known as OH49E / SS49E). Housed in a compact TO-92 package with 3 pins, these sensors output a voltage proportional to the applied magnetic field — making them ideal for Arduino projects, robotics, position detection, motor control, speed sensing, and general electronics prototyping.
Key Specifications
- Model: 49E (OH49E / SS49E)
- Package: TO-92 (3-pin through-hole)
- Supply Voltage: 3V – 6.5V
- Operating Temperature: -40°C to +100°C
- Material: Composite Polymer
- Output Type: Linear analog output
- Quantity: 10 pieces per pack
Made in Mainland China.
Why Choose the 49E Hall Sensor?
- Wide supply voltage range — compatible with 3.3V and 5V microcontroller systems including Arduino, Raspberry Pi, and ESP32
- Linear analog output — ratiometric output that varies smoothly with magnetic field strength for accurate measurements
- Wide temperature range — operates reliably from -40°C to +100°C, suitable for both indoor and outdoor applications
- Compact TO-92 package — easy to solder onto breadboards and PCBs
- 10-piece value pack — great for prototyping, experimentation, repairs, and classroom use
Common Applications
- Magnetic field detection and measurement
- Motor speed and position sensing
- Proximity and current sensing
- Robotics and DIY electronics projects
- Automotive and industrial control systems
Package Includes
- 10 × 49E Linear Hall Effect Sensors (TO-92, 3-pin)
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Frequently Asked Questions
Q: What is a 49E linear Hall effect sensor used for?
A: The 49E linear Hall effect sensor detects the strength and polarity of a magnetic field and outputs an analog voltage proportional to the field. It is commonly used in motor speed sensing, position detection, proximity sensing, current measurement, and DIY electronics or robotics projects.
Q: Is the 49E Hall sensor compatible with Arduino and other microcontrollers?
A: Yes. The 49E sensor operates on a supply voltage of 3V to 6.5V, making it fully compatible with both 3.3V and 5V microcontroller platforms including Arduino, ESP32, Raspberry Pi, and similar boards. Simply connect VCC, GND, and read the analog output pin.
Q: What is the difference between 49E, OH49E, and SS49E Hall sensors?
A: The 49E, OH49E, and SS49E are functionally equivalent linear Hall effect sensors from different manufacturers (Allegro, Honeywell, and others) that share the same pin configuration and performance characteristics. They are direct drop-in replacements for one another in most circuit applications.