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Littelfuse 591661S00D Miniature Overmolded Reed Switch

The Littelfuse 59166 is a miniature overmolded reed switch, measuring 16.00mm x 2.40mm x 2.40mm. It features a normally open contact, capable of switching up to 200Vdc at 10W, and is designed with Gull Wing leads. Certified for use in hazardous locations, this switch is ATEX certified and suitable for applications like door switches, position sensing, and security systems. Its thermoset overmolded material and solder reflow capability enhance its versatility and ease of integration.

Authorized Distributors
Source:Newark
Part No:59166-1-S-00-D
Stock:1331
Inv Date:05-28-2026
Price: Unit price: $1.28
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Source:DigiKey
Part No:59166-1-S-00-D
Stock:4973
Inv Date:05-28-2026
Price: Unit price: $0.64465
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Part No:59166-1-S-00-D
Stock:4319
Inv Date:05-29-2026
Price: Unit price: $1.24
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Part No:59166-1-S-00-D
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.03
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Part No:59166-1-S-00-D
Stock:3000
Inv Date:05-28-2026
Price: Unit price: $0.79
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Part No:59166-1-S-00-D
Stock:14
Inv Date:05-29-2026
Price: N/A
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Littelfuse 591661S00D Miniature Overmolded Reed Switch Specifications:

  • Contact Type: Normally Open
  • Switch Type: 1
  • Contact Rating: max. 10 VA/Watt
  • Switching Voltage (Vdc): max. 200
  • Switching Voltage (Vac): max. 140
  • Breakdown Voltage (Vdc): min. 250
  • Switching Current (Adc): max. 0.5
  • Switching Current (Aac): max. 0.35
  • Carry Current (Adc): max. 0.8
  • Contact Resistance (Ω): max. 0.2
  • Insulation Capacitance (pF): typ. 0.3
  • Operating Temperature (°C): -40 to +105
  • Operate Time (ms): max. 1.0
  • Release Time (ms): max. 1.0
  • Shock (11ms 1/2 sine G): max. 100
  • Vibration (50-2000 Hz G): max. 30
  • ATEX Certification: II 3 G Ex nC IIC Gc
  • North American Hazardous Locations: Class I, Division 2 and Zone 2
  • Dimensions (mm): 16.00 MAX x 2.40 x 2.40
  • Pull-In AT Range (mm): 10-15 (S), 15-20 (T), 20-25 (U)
  • Termination Options: Gull Wing (C, D)

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Frequently Asked Questions

Where can I buy Littelfuse 591661S00D?

You can click on the BUY or RFQ button to purchase 591661S00D from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 591661S00D?

You can download the 591661S00D datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 591661S00D?

Littelfuse

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