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Eaton Bussmann PTSLR18126V450 Low Resistance PTC Fuse

The PTSLR18126V450 is a low resistance surface-mount PTC fuse with a compact 1812 footprint. Designed for circuit protection in low voltage applications such as USB protection, medical equipment, and consumer electronics, it offers rapid trip response and reliable reset capabilities. Rated for 6V and capable of handling 4.50A, this fuse ensures safety with UL and TUV recognition. Its robust construction withstands thermal and humidity stresses, making it ideal for ensuring circuit durability and safety across various industrial and consumer devices.

Authorized Distributors
Source:Newark
Part No:PTSLR18126V450
Stock:1000
Inv Date:06-11-2026
Price: Unit price: $0.182
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Source:DigiKey
Part No:PTSLR18126V450
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.68003
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Source:DigiKey
Part No:PTSLR18126V450
Stock:1000
Inv Date:06-11-2026
Price: Unit price: $0.83
Buy/RFQ:
Part No:PTSLR18126V450
Stock:0
Inv Date:06-12-2026
Price: Unit price: $1.84
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Part No:PTSLR18126V450
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.93
Buy/RFQ:
Part No:PTSLR18126V450
Stock:1000
Inv Date:06-11-2026
Price: Unit price: $0.654
Buy/RFQ:

Eaton Bussmann PTSLR18126V450 Low Resistance PTC Fuse Specifications:

  • Voltage rating: 6 V
  • Current rating: 4.50 A
  • Resistance: 0.001 ohms (post-trip), 0.003 ohms (initial)
  • Trip time: 20 seconds at 4.50 A
  • Operating temperature: -40°C to +85°C with derating
  • Storage temperature: -10°C to +40°C
  • Dimensions: 4.56 mm x 3.56 mm
  • Soldering profile: reflow compatible with peak temperature of 260°C for 10 seconds
  • Certifications: UL Recognized, TUV certified
  • Reliability: Passive aging, humidity aging, rapid temperature cycling endurance
  • Packaging: Tape and reel, 1000 parts per reel

Buy the Eaton PTSLR18126V450 – Reliable Low Resistance SMD PTC for Industrial Applications

Experience the dependable protection of the Eaton Low Resistance PTC Fuse designed for circuit durability and safety. With UL and TUV recognition, it features a compact 1812 size, rated at 6V and 4.50A current. Ideal for USB, medical, and consumer electronics, this fuse ensures rapid trip response and reliable reset. The easy-to-use surface-mount design simplifies installation, and its robust construction withstands thermal stress, humidity, and rapid temperature changes. Purchase online today for a trusted solution in your electrical safety needs.

Get Eaton PTSLR18126V450 today—built for circuit safety and long-lasting durability in consumer and industrial electronics.

Frequently Asked Questions

Where can I buy Eaton Bussmann PTSLR18126V450?

You can click on the BUY or RFQ button to purchase PTSLR18126V450 from an authorized Eaton Bussmann distributor.

How do I troubleshoot issues or seek technical support for part PTSLR18126V450?

You can download the PTSLR18126V450 datasheet or visit the Eaton Bussmann website for support.

Who is the manufacturer of PTSLR18126V450?

Eaton Bussmann

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