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Littelfuse SMD125F2 PolySwitch Surface-Mount Device

PolySwitch resettable devices provide effective circuit protection for various electronics applications, including computer, consumer, multimedia, and automotive electronics. The series offers a broad range of packages and ratings, such as current ratings from 0.05 to 3.1A and voltage ratings up to 60V. These surface-mount devices feature RoHS and halogen-free compliance, high-voltage ratings, fast trip times, and low resistance. They are designed for reliable overcurrent protection, meeting regulatory requirements, and supporting high-volume manufacturing with compatible packaging and robust environmental features.

Authorized Distributors
Source:Newark
Part No:SMD125F-2
Stock:3740
Inv Date:05-28-2026
Price: Unit price: $0.662
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Source:Newark
Part No:SMD125F-2
Stock:5414
Inv Date:05-28-2026
Price: Unit price: $0.447
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Source:DigiKey
Part No:SMD125F-2
Stock:22000
Inv Date:05-28-2026
Price: Unit price: $0.2385
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Source:DigiKey
Part No:SMD125F-2
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.6746
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Part No:SMD125F-2
Stock:1794
Inv Date:05-29-2026
Price: Unit price: $0.53
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Part No:SMD125F-2
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.33
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Part No:SMD125F-2
Stock:5414
Inv Date:05-28-2026
Price: Unit price: $0.5594
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Part No:SMD125F-2
Stock:8000
Inv Date:05-28-2026
Price: Unit price: $0.255
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Source:Arrow EU
Part No:SMD125F-2
Stock:40000
Inv Date:05-29-2026
Price: N/A
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Authorized Distributors
Part No:SMD125F-2
Stock:509
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:

Littelfuse SMD125F2 PolySwitch Surface-Mount Device Specifications:

  • Size: varies from 1608mm to 4532mm footprints (0603 to 1812)
  • Hold Current: from 0.05A to 3.1A depending on series
  • Voltage Ratings: up to 60V DC/AC
  • Maximum Resistance: low resistance for efficient operation
  • Operating Temperature Range: -40°C to 125°C (some series up to 85°C)
  • Physical Material: Matte Tin with Nickel Underplate terminals
  • Soldering: ANSI/J-STD-002 Category 3 or 1, IEC-STD-68-2-20
  • Solder Heat Resistance: conforms to IEC standards
  • Environmental Resistance: humidity, thermal shock, vibration tested
  • RoHS and halogen-free compliant
  • Agency Recognition: UL, CSA, TUV
  • Packaging: tape and reel, specific dimensions according to series
  • Reflow profile: maximum peak temperature 260°C with controlled ramp-up and ramp-down
  • Suitability: overcurrent and short circuit protection in electronic circuits
  • Handling: compatible with standard manufacturing processes, rework practices included

Buy the Littelfuse SMD150F – Reliable Circuit Protection Devices for Industrial Applications

Purchase the Littelfuse PolySwitch Series SMD150F online today to ensure your circuits are protected with reliable and fast-resettable circuit protection devices. Designed for high-volume electronics, these RoHS and halogen-free devices support applications from consumer electronics to automotive systems. With ratings up to 3.1A and 60V, fast trip times, and low resistance, they offer optimal overcurrent protection. Order now for prompt delivery and integrate trusted electrical protection into your designs, ensuring safety, regulatory compliance, and long-term durability.

Order your Littelfuse SeriesSMD150F high-performance resettable device today and give your electronics the dependable overcurrent protection they deserve.

Frequently Asked Questions

Where can I buy Littelfuse SMD125F2?

You can click on the BUY or RFQ button to purchase SMD125F2 from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part SMD125F2?

You can download the SMD125F2 datasheet or visit the Littelfuse website for support.

Who is the manufacturer of SMD125F2?

Littelfuse

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