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Littelfuse SMD185F2 Surface-Mount Circuit Protector

PolySwitch surface-mount devices are resettable circuit protection components designed for applications like computers, portable electronics, multimedia, automotive, and industrial controls. Available in various series such as femtoSMD, picoSMD, nanoSMD, microSMD, miniSMD, midSMD, and SMD2, these devices offer current ratings from 0.05 to 3.1A and voltage ratings up to 60V. The compact footprints from 0603 to 2920 mils enable space-saving and high-volume manufacturing. They meet RoHS, ELV, UL, CSA, and TUV standards, and feature fast trip times, low resistance, and halogen-free construction. Their robust environmental resistance ensures reliability across operating temperatures from -40°C to 125°C.

Authorized Distributors
Source:Newark
Part No:SMD185F-2
Stock:1146
Inv Date:05-28-2026
Price: Unit price: $0.762
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Source:DigiKey
Part No:SMD185F-2
Stock:20002
Inv Date:05-28-2026
Price: Unit price: $0.85
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Source:DigiKey
Part No:SMD185F-2
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.81753
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Part No:SMD185F-2
Stock:15800
Inv Date:05-29-2026
Price: Unit price: $0.71
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Part No:SMD185F-2
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.33
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Part No:SMD185F-2
Stock:1212
Inv Date:05-28-2026
Price: Unit price: $0.6693
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Part No:SMD185F-2
Stock:54000
Inv Date:05-28-2026
Price: Unit price: $0.265
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Source:Arrow EU
Part No:SMD185F-2
Stock:196500
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:
Part No:SMD185F-2
Stock:2056
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:

Littelfuse SMD185F2 Surface-Mount Circuit Protector Specifications:

  • Size: 16.0 + 0.30 mm (0603 mils)
  • Hold Current: 0.05A to 3.1A depending on series
  • Voltage Ratings: Up to 60V
  • Maximum Resistance: Varies with series, typically low resistance
  • Operating Temperature Range: -40°C to 125°C (specific to models)
  • Terminal Material: 100% Matte Tin with Nickel Underplate
  • Soldering: ANSI/J-STD-002 Category 1 or 3; IEC-STD-68-2-20 compliant
  • Flammability: IEC 695-2-2 Needle Flame Test for 20 seconds
  • Standards: RoHS, ELV, UL, CSA, TUV
  • Package Footprints: From 0603 to 2920 mils
  • Environmental Resistance: Vibration, Humidity, Thermal Shock
  • Storage Conditions: Max 40°C, 70% R.H.
  • Reflow Profiles: Peak temperature 260°C with controlled ramp-up/down
  • Packaging: Tape and reel; sizes and quantities provided in datasheets
  • Application: Overcurrent and overtemperature protection in electronics

Buy the Littelfuse Series 1608 FemtoSMD: SMD185F2

Secure your electronic designs with Littelfuse Series 1608 FemtoSMD SMD185F2 resettable devices. Offering high reliability, compact footprints, and fast trip times, these surface-mount circuit protectors are ideal for computers, automotive, and industrial applications. They conform to RoHS, UL, CSA, and TUV standards, ensuring safety and regulatory compliance. Easy to integrate, these devices withstand harsh environmental conditions and operate within -40°C to 125°C. Purchase online now for space-efficient, durable circuit protection that safeguards sensitive electronics in various demanding environments.

Order your Littelfuse Series 1608 FemtoSMD SMD185F2 today and protect your electronic devices with compact, reliable circuit protection components.

Frequently Asked Questions

Where can I buy Littelfuse SMD185F2?

You can click on the BUY or RFQ button to purchase SMD185F2 from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part SMD185F2?

You can download the SMD185F2 datasheet or visit the Littelfuse website for support.

Who is the manufacturer of SMD185F2?

Littelfuse

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