SS49E Linear Hall Effect Sensor

SKU: rz24331594
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SS49E Hall effect sensor is small, versatile linear Hall-effect device that is operated by the magnetic field from a permanent magnet or an electromagnet. The linear sourcing output voltage is set by the supply voltage and varies in proportion to the strength of the magnetic field. The integrated circuitry features low noise output, which makes it unnecessary to use external filtering. It also includes thin film resistors to provide increased temperature stability and accuracy. The linear Hall sensor has an operating temperature range of -40 °C to 85 °C appropriate for commercial, consumer and industrial environments.


  • Miniature and subminiature construction: Designed for compact designs with tight space requirements.
  • Energy efficient: Low current consumption of 6 mA at 5 Vdc.
  • Easy PC board interface: Single current sourcing output for common electronic circuits.
  • Circuit design flexibility: Voltage range of 2.7 Vdc to 6.5 Vdc.
  • Low noise output: Virtually eliminates the need for flittering.
  • Stable output: Thin film resistors improve accuracy.
  • Wide range of environments: Temperature range of -40 °C to 100 °C [-40 °F to 212°F].
  • Application flexibility: Responds to either positive or negative Gauss.


Parameter Specifications
Supply Voltage 3 to 6.5 V
Max Output Current 20 mA
Quiescent Output Voltage 1/2 of VCC
Sensitivity 2.5 mV/G
Minimum Output Voltage 0.86 V
Max Output Voltage 4.21 V


  • Position Sensing: Used in proximity switches and encoders for accurate object position detection.
  • Current Sensing: Monitors and controls current flow by detecting magnetic fields around conductors.
  • Speed Measurement: Provides precise RPM data in industrial and automotive applications.
  • Motor Control: Enables responsive and accurate motor speed control by monitoring magnetic fields.
  • Security Systems: Used in magnetic door and window sensors for intrusion detection.
  • Medical Devices: Applied in infusion pumps and motion-sensing medical equipment.
  • Automotive Applications: Found in systems like throttle position sensing and gearbox position sensing.