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Littelfuse 551403H02A Hall Effect Sensor

This flange-mounted hall effect sensor is ideal for magnetic position and limit sensing, RPM measurement, and flow metering in harsh environments. It features high switching speeds up to 10 kHz and supports both digital and analogue outputs, including programmable options. The sensor operates on a voltage range of 3.8 to 24 volts, with an output current capacity of up to 20 mA. Built-in temperature compensation and reverse voltage protection ensure durability, while its compact design supports static and dynamic magnetic field detection for various industrial applications.

Authorized Distributors
Source:DigiKey
Part No:55140-3H-02-A
Stock:615
Inv Date:05-28-2026
Price: Unit price: $9.44
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Part No:55140-3H-02-A
Stock:685
Inv Date:05-29-2026
Price: Unit price: $9.44
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Part No:55140-3H-02-A
Stock:28
Inv Date:05-28-2026
Price: Unit price: $5.7
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Part No:55140-3H-02-A
Stock:0
Inv Date:05-28-2026
Price: Unit price: $6.94
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Part No:55140-3H-02-A
Stock:233
Inv Date:05-29-2026
Price: N/A
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Littelfuse 551403H02A Hall Effect Sensor Specifications:

  • Supply Voltage Range: 3.8 to 24 V
  • Output Current: Up to 20 mA
  • Maximum Current Consumption: 1.6 to 5.2 mA depending on conditions
  • Switching Speed: Up to 10 kHz
  • Operating Temperature: -65°C to +105°C
  • Protection: Reverse voltage and temperature compensation built-in
  • Mounting: Flange mount for easy installation
  • Outputs: Digital, latching, or programmable analog
  • Environmental Resistance: Suitable for harsh environments with vibration up to 50g and shock up to 150g
  • Application: Position sensing, RPM measurement, flow metering, magnetic encoder

Buy the Buy Hamlin 55140 Flange Mount Hall Effect Sensor Part Number 551403H02A Online

Discover the high-performance Hamlin hall effect sensor engineered for precise magnetic detection in industrial environments. With a supply voltage of 3.8 to 24 volts and an output capacity of up to 20 mA, it supports high-speed switching up to 10 kHz for efficient automation control. Its robust construction includes features like reverse voltage protection and temperature compensation, ensuring reliable operation across diverse applications such as position sensing, RPM measurement, and flow metering. Easy to install with flange mounting, it delivers dependable performance under vibration and shock conditions, suitable for demanding industrial settings.

Get Hamlin 551403H02A today—built for high-speed switching, reliable magnetic detection, and industrial durability.

Frequently Asked Questions

Where can I buy Littelfuse 551403H02A?

You can click on the BUY or RFQ button to purchase 551403H02A from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 551403H02A?

You can download the 551403H02A datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 551403H02A?

Littelfuse

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