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Littelfuse 59140020 magnetic reed sensor

This reed sensor features a single-pole, single-throw normally open contact configuration, capable of carrying 1.5 Amps and withstanding 300 VDC. It has an activation distance of approximately 0.374 inches (9.5 mm). Equipped with lead terminations for simple connection, this compact sensor is ideal for position and limit sensing in security systems, linear actuators, and door switches. Its hermetically sealed magnetically operated contacts ensure reliable operation even in contaminated environments, requiring no standby power and functioning through non-ferrous materials like wood, plastic, or aluminum.

Authorized Distributors
Source:Newark
Part No:59140-020
Stock:250
Inv Date:05-28-2026
Price: Unit price: $4.49
Buy/RFQ:
Source:DigiKey
Part No:59140-020
Stock:877
Inv Date:05-28-2026
Price: Unit price: $4.33
Buy/RFQ:
Part No:59140-020
Stock:448
Inv Date:05-29-2026
Price: Unit price: $5.61
Buy/RFQ:
Part No:59140-020
Stock:0
Inv Date:05-28-2026
Price: Unit price: $3.72
Buy/RFQ:
Part No:59140-020
Stock:14
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:

Littelfuse 59140020 magnetic reed sensor Specifications:

  • Switch Type: Normally Open
  • Contact Rating: 1.5 Amps, 300 VDC maximum
  • Activation Distance: Approximately 0.374 inches (9.5 mm)
  • Contact Resistance, Initial: 0.2 Ohms maximum
  • Insulation Resistance: 10^6 Ohms minimum
  • Temperature Operating: -40 to +105°C
  • Storage Temperature: -65 to +105°C
  • Shock Resistance: 100 G for 11 ms sine wave
  • Vibration Resistance: 30 G, 50-2000 Hz
  • Lead Termination: Tinned or untinned leads
  • Sensor Size: Compact, with easy exit leads from LH or RH side
  • Housing Material: Encased in hermetically sealed package
  • Switch Type Options: 1, 2, 3, or 4 with different electrical ratings
  • Compatible for use in security systems, linear actuators, and door switches

Buy the Hamlin Series 59140 Magnetic Reed Sensor: 59140020

Order the Hamlin magnetic reed sensor today for reliable, maintenance-free position and limit sensing in industrial automation, security systems, and door controls. Its compact design, with easy lead terminations and hermetically sealed contacts, ensures long-term performance even in contaminated environments. Perfect for use with non-ferrous materials like wood and plastic, this sensor requires no standby power, making it energy efficient. Enhance your automation setup with this durable and trusted sensor—buy online now for swift delivery and excellent performance.

Get Hamlin 59140020 today—built for precise position sensing and long-lasting reliability in industrial applications.

Frequently Asked Questions

Where can I buy Littelfuse 59140020?

You can click on the BUY or RFQ button to purchase 59140020 from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 59140020?

You can download the 59140020 datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 59140020?

Littelfuse

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