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Littelfuse 0402L050SLKR Low Rho Surface Mount PTC

Littelfuse's Low Rho Surface Mount PPTC devices (Polymer Positive Temperature Coefficient) are designed for overcurrent protection in applications requiring ultra-low internal resistance, voltage drop, and automatic resettable protection. This series allows for a higher hold current in a smaller footprint compared to standard PPTCs. They are UL recognized and TUV approved, offering reliable protection with a maximum fault current of 50A. Available in sizes from 0402 to 2920, these devices are suitable for LCD/LED HDTVs, USB peripherals, computer peripherals, Li-ion/Li-Polymer battery packs, digital cameras, smartphones, hard disk drives, tablet PCs, game consoles, and e-readers.

Authorized Distributors
Source:DigiKey
Part No:0402L050SLKR
Stock:12199
Inv Date:05-28-2026
Price: Unit price: $3.28
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Part No:0402L050SLKR
Stock:6237
Inv Date:05-29-2026
Price: Unit price: $3.23
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Part No:0402L050SLKR
Stock:0
Inv Date:05-28-2026
Price: Unit price: $3.29
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Part No:0402L050SLKR
Stock:21835
Inv Date:05-29-2026
Price: N/A
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Littelfuse 0402L050SLKR Low Rho Surface Mount PTC Specifications:

  • Agency Approvals: E183209, R50119118
  • Maximum Hold Current: 0.50 A
  • Maximum Trip Current: 1.00 A
  • Maximum Voltage: 6 Vdc
  • Maximum Fault Current: 40 A
  • Typical Power Dissipation: 0.5 W
  • Minimum Resistance: 0.10 Ω
  • Maximum Resistance: 0.400 Ω
  • Time-To-Trip Current: 8.00 A
  • Time-To-Trip: 0.10 Sec

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Frequently Asked Questions

Where can I buy Littelfuse 0402L050SLKR?

You can click on the BUY or RFQ button to purchase 0402L050SLKR from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 0402L050SLKR?

You can download the 0402L050SLKR datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 0402L050SLKR?

Littelfuse

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