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Littelfuse 591401S02A Magnetic Reed Sensor

This reed sensor features a single-pole, single-throw normally open contact configuration, capable of handling up to 1.2 Amps and switching voltages up to 200 VDC. Its activation distance is approximately 0.453 inches (11.5 mm), making it ideal for position sensing, limit switches, and security systems. The sensor operates reliably in a temperature range from -40°C to +105°C, and its leads exit from either side for easy installation. Hermetically sealed for long-term durability, it is suitable for diverse industrial and automation applications requiring precise and dependable magnetic sensing.

Authorized Distributors
Source:Newark
Part No:59140-1-S-02-A
Stock:1151
Inv Date:05-28-2026
Price: Unit price: $4.11
Buy/RFQ:
Source:DigiKey
Part No:59140-1-S-02-A
Stock:2652
Inv Date:05-28-2026
Price: Unit price: $4.08
Buy/RFQ:
Part No:59140-1-S-02-A
Stock:303
Inv Date:05-29-2026
Price: Unit price: $4.08
Buy/RFQ:
Part No:59140-1-S-02-A
Stock:83
Inv Date:05-28-2026
Price: Unit price: $3.81
Buy/RFQ:
Part No:59140-1-S-02-A
Stock:93
Inv Date:05-28-2026
Price: Unit price: $2.48
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Source:Arrow EU
Part No:59140-1-S-02-A
Stock:200
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:

Littelfuse 591401S02A Magnetic Reed Sensor Specifications:

  • Contact Configuration: SPST-NO
  • Current Rating: 1.2 Amps
  • Maximum Switching Voltage: 200 VDC
  • Activation Distance: approximately 0.453 inches (11.5 mm)
  • Operating Temperature Range: -40°C to +105°C
  • Storage Temperature Range: -65°C to +105°C
  • Contact Resistance, Initial: 0.2 Ohms max
  • Insulation Resistance, Min: 10^10 Ohms
  • Termination: Leads exiting from sides
  • Hermetically sealed for long-term reliability

Buy the Buy Hamlin Position Sensor Part Number 591401S02A Online

Order the Hamlin magnetic reed sensor online today and experience reliable magnetic sensing with a compact design, high current capacity, and excellent durability. With a sensing distance of approximately 0.453 inches, it is suitable for various industrial and security applications. Easy to install via leads exiting from either side, it operates reliably over a wide temperature range. Perfect for position sensing, limit switches, and security systems, this sensor offers long-term hermetic sealing for dependable performance in demanding environments.

Get Hamlin 591401S02A today—built for precision and long-lasting durability in magnetic sensing applications.

Frequently Asked Questions

Where can I buy Littelfuse 591401S02A?

You can click on the BUY or RFQ button to purchase 591401S02A from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 591401S02A?

You can download the 591401S02A datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 591401S02A?

Littelfuse

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