MH281 LOW SENSITIVITY UNIPOLAR HALL EFFECT SWITCH

The MH281 is a unipolar Hall effect switch designed for low sensitivity applications where it detects magnetic fields and generates a corresponding digital output signal. With its unipolar operation, the MH281 is activated only by a single polarity magnetic field, making it ideal for applications requiring precise and selective magnetic sensing. The device is encapsulated in a small, robust package, ensuring reliable performance in various environments.

Key Features of MH281 Low Sensitivity Unipolar Hall Effect Switch:

• • Low Sensitivity: Designed to respond to relatively strong magnetic fields, minimizing false activations.
  • Unipolar Operation: Activated by only one polarity of the magnetic field.
  • Stable Output: Provides a consistent digital output signal when the magnetic threshold is reached.
  • Wide Operating Voltage Range: Functions efficiently from 3V to 24V DC.
  • Compact Package: Small form factor suitable for space-constrained applications.

Technical Specifications of MH281 Low Sensitivity Unipolar Hall Effect Switch:

• • Operating Voltage: 3V to 24V DC.
  • Output Current: Up to 25mA.
  • Magnetic Sensitivity: Low sensitivity, typically requiring a strong magnetic field for activation.
  • Output Type: Digital output (open-collector).
  • Operating Temperature Range: -40°C to +85°C.

Mechanical Specifications of MH281 Low Sensitivity Unipolar Hall Effect Switch:

• • Package Type: SIP-3 (Single In-line Package).
  • Dimensions: Compact and easy to integrate into various designs.
  • Weight: Lightweight for minimal impact on overall system design.

Dimensions:

• • Length: 4.0mm
  • Width: 1.5mm
  • Height: 3.0mm
  • Weight: 1gram

Mounting Options:

• • Through-Hole Mount: Secure attachment to PCBs with robust leads for stable operation.
  • Encapsulation: Suitable for potting or encapsulation in harsh environments.

Schematic Diagram, Connection, Wiring and Pinout of MH281 Low Sensitivity Unipolar Hall Effect Switch:

• • Pin Configuration: Includes power supply (Vcc), ground (GND), and output (OUT) pins.
  • Connection: Connect Vcc to the positive supply voltage, GND to ground, and OUT to the digital input of a microcontroller or other control circuit.
  • Wiring: Ensure correct polarity and secure connections to prevent signal loss or noise interference.

Datasheet of MH281 Low Sensitivity Unipolar Hall Effect Switch:

• • Datasheet

Applications of MH281 Low Sensitivity Unipolar Hall Effect Switch:

• • Position Sensing: Detects the presence or absence of a magnetic object.
  • Proximity Detection: Used in proximity sensors for various automation systems.
  • Speed Sensing: Monitors the speed of rotating objects in motors or wheels.
  • Consumer Electronics: Employed in devices requiring magnetic switch functionality.
  • Industrial Control: Utilized in control systems for machinery and equipment.

Equivalent of MH281 Low Sensitivity Unipolar Hall Effect Switch:

• • SS441A: Provides similar functionality with unipolar operation.
  • A3141: Another low sensitivity unipolar Hall effect switch with comparable specifications.

Keywords for MH281 Low Sensitivity Unipolar Hall Effect Switch:

• • MH281 Hall Effect Switch
  • Unipolar Hall Sensor
  • Low Sensitivity Hall Effect
  • Magnetic Field Detector
  • Digital Output Hall Switch

Package Includes:

• • 1 x MH281 Low Sensitivity Unipolar Hall Effect Switch