Hall Effect Sensor 6851/A3144

The A3144 Hall effect sensor is a commonly used sensor for detecting magnetic fields and is often integrated into various applications due to its simplicity and reliability. Here are the details you requested:

Specifications:

• Detection Principle: Hall effect sensing for magnetic field detection.
• Operational Voltage Range: Typically operates at 4.5V to 24V DC.
• Output: Open-collector output, which requires an external pull-up resistor.
• Output Voltage: Low (near 0V) when detecting a magnetic field, high (supply voltage – Vce(sat)) when no magnetic field is present.

Power:

• Power Supply: Typically powered by a DC voltage source within the operational range (4.5V to 24V DC).

Input and Output:

• Input: Requires connection to a stable DC voltage within the specified range.
• Output: Provides a digital signal output that switches between low and high based on the presence of a magnetic field.

Physical Characteristics:

• Size: Small and compact, suitable for integration into various electronic devices.
• Package: Usually comes in a TO-92 package, making it easy to mount on PCBs or breadboards.
• Mounting: Often includes through-hole pins for easy soldering onto circuit boards.

Additional Features:

• Polarity Independence: Can detect both north and south magnetic poles.
• Temperature Stability: Designed to operate reliably across a wide temperature range.
• Environmental Durability: Resistant to environmental factors such as dust and moisture.

The A3144 Hall effect sensor is widely used in applications such as automotive electronics (e.g., speed sensing in vehicles), proximity detection, and position sensing in industrial equipment. Always refer to the manufacturer’s datasheet for specific details and application guidelines.