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Littelfuse 591401S04E Miniature Flange Mount Sensor

The Littelfuse 59140 miniature flange mounting reed sensor is a versatile component ideal for applications requiring precise position sensing. Its compact 3.22cm² footprint allows for easy integration into various systems. Available with normally open, normally closed, or changeover contacts, it can switch up to 265Vac/300Vdc at 10VA. The sensor's hermetically sealed construction and compatibility with the 57140 actuator ensure reliable performance in demanding environments. It is commonly used in linear actuators, security systems, and door switches.

Authorized Distributors
Source:Newark
Part No:59140-1-S-04-E
Stock:3853
Inv Date:05-28-2026
Price: Unit price: $1.43
Buy/RFQ:
Source:DigiKey
Part No:59140-1-S-04-E
Stock:482
Inv Date:05-28-2026
Price: Unit price: $3.66
Buy/RFQ:
Part No:59140-1-S-04-E
Stock:478
Inv Date:05-29-2026
Price: Unit price: $3.66
Buy/RFQ:
Part No:59140-1-S-04-E
Stock:0
Inv Date:05-28-2026
Price: Unit price: $3.48
Buy/RFQ:

Littelfuse 591401S04E Miniature Flange Mount Sensor Specifications:

  • Agency Approvals: E61760 (Contact Littelfuse for specific ratings)
  • Actuator Dimensions (mm/inch): 6.00 x 23.00 / 0.236 x 0.906, 3.00 x 14.00 / 0.118 x 0.551
  • Slot Dimensions (mm/inch): 3.20x3.81 Typ. / 0.126x0.150, 7.50 / 0.295, 11.00 / 0.433, 14.00 / 0.551
  • Description: Miniature flange mounting reed sensor, choice of normally open, normally closed, or changeover contacts, wires exit from top right hand side.
  • Maximum Voltage (Vac): 265
  • Maximum Voltage (Vdc): 300
  • Maximum VA: 10
  • Maximum Switching Current (Adc): 0.5
  • Maximum Switching Current (Aac): 0.35
  • Carry Current (Adc): 1.2
  • Contact Resistance (Ω): 0.2
  • Insulation Resistance (Ω): 10
  • Typical Contact Capacitance (pF): 0.3
  • Operating Temperature (°C): -40 to +105
  • Shock Resistance (G): 100 (11ms, 1/2 sine)
  • Vibration Resistance (G): 30 (50-2000 Hz)
  • Sensitivity AT Range (mm/inch): S: 12-18 / 0.410, T: 17-23 / 0.330, U: 22-28 / 0.283, V: 27-33 / 0.248
  • Activation Distance (mm/inch): Average value on the final sensor assembly
  • Cable Length (mm/inch): 300 / 11.81
  • Termination Options: Tinned leads (6.4±0.76)mm, Untinned leads (6.4±0.76)mm, JST type XHP 2.5mm pitch

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Frequently Asked Questions

Where can I buy Littelfuse 591401S04E?

You can click on the BUY or RFQ button to purchase 591401S04E from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 591401S04E?

You can download the 591401S04E datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 591401S04E?

Littelfuse

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