SKU: SENS-0960
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Honeywell SS451A Omnipolar Hall Effect Sensor - TO-92 Flat Package, 3-24VDC, 35-135 G Operating Point

₹72.00 (Inclusive of all taxes)
Out of Stock

The Honeywell SS451A is a board-mount omnipolar Hall effect sensor in a TO-92 flat package, compatible with 3-24VDC systems and designed for detecting both North and South magnetic poles with an operating point range of 35 to 135 Gauss.

Features

  • Omnipolar design activates with either North or South magnetic poles
  • Wide operating voltage range from 3 to 24 VDC
  • Low-voltage capability down to 3V for battery-powered applications
  • Built-in reverse polarity and overvoltage protection
  • High-temperature operation up to +150°C

Out of stock

Description

The SS451A is a robust, omnipolar Hall effect sensor from Honeywell, engineered for reliable magnetic field detection in demanding environments. Its integrated circuit features a thermally balanced design and reverse polarity protection, ensuring stable performance across a wide 3 to 24VDC supply range. The sensor’s omnipolar characteristic simplifies installation by responding to either pole of a magnet, eliminating orientation concerns.

Housed in a through-hole mount TO-92 flat package, it is built for high-temperature applications up to +150°C, making it suitable for industrial automation, automotive systems, and medical equipment. The output can sink up to 20mA, providing a direct interface to microcontrollers, PLCs, or logic circuits for precise position, speed, and proximity sensing.

Key Features

  • Omnipolar magnetic sensing for flexible magnet orientation
  • Extended voltage range supports 3V, 5V, 12V, and 24V system integration
  • Integrated reverse polarity and output short-circuit protection
  • Thermally balanced IC for stable performance across temperature
  • RoHS-compliant construction meeting Directive 2002/95/EC
  • High-temperature tolerance for harsh environment deployment
  • Through-hole TO-92 flat package for secure PCB mounting
  • Optimized performance-to-cost ratio for volume applications

Applications

  • RPM and speed sensing in brushless DC motors and fitness equipment
  • Valve position control and damper feedback in HVAC systems
  • Proximity and position sensing in robotic actuators and cylinder monitoring
  • Fluid level detection using magnetic float switches
  • Medical equipment position feedback for hospital beds and portable carts

Technical Specifications

Manufacturer Part NumberSS451A
Package / CaseTO-92-Flat-3
Mounting TypeThrough Hole
Sensor TypeOmnipolar Hall Effect
Operating Voltage Range3 to 24 VDC
Operating Point Range35 to 135 Gauss
Max Output Current20 mA
Operating TemperatureUp to +150 °C
Polarity ProtectionBuilt-in Reverse Polarity Protection
ComplianceRoHS

Frequently Asked Questions

What is the operating voltage range for the Honeywell SS451A sensor?

The SS451A Hall effect sensor operates from 3 to 24 volts DC. This wide range allows for direct integration with 3.3V or 5V microcontroller systems (like Arduino or Raspberry Pi) as well as standard 12V or 24V industrial and automotive power supplies without requiring an additional voltage regulator.

Does this Hall sensor respond to both North and South magnetic poles?

Yes, the SS451A is an omnipolar sensor. It will activate its output in the presence of a sufficiently strong magnetic field from either a North or South pole, simplifying magnet placement and orientation in your design. The specified operating point range is 35 to 135 Gauss.

What is the maximum current the sensor output can handle?

The open-collector output of the SS451A can sink up to 20 milliamps. This is sufficient to directly drive LEDs, small relays, or serve as a logic-level input to microcontrollers, PLCs, or other digital circuits. The built-in protection safeguards against output short-circuits.

Can this sensor be used in high-temperature environments?

Yes, the Honeywell SS451A is rated for operation at temperatures up to +150°C (302°F). This high-temperature tolerance, combined with its thermally balanced integrated circuit, makes it suitable for applications near motors, in engine compartments, or in industrial machinery where ambient heat is a concern.

Package Includes

  • 1 x Honeywell SS451A Hall Effect Sensor

Additional Information

Weight 0.011 kg
Dimensions 4.5 × 0.8 × 0.3 cm