Sourcing Hard-To-Find Electronic ComponentsCustomers Reviews | News
  • Wickmann / Littelfuse
  • LR4-550F
  • Circuit Protection
  • PTC RESET FUSE 20V 5.5A STRAP
  •  LR4-550F Datasheet
  • Cost Reduction
  • Min Order From 1 PCS
  • 365 Days Warranty
  • 12 Hours Quotation
Product Specifications
  • AttributesAttribute Value
  • ManufacturerWickmann / Littelfuse
  • CategoryCircuit Protection
  • PackagesBag
  • Standard Quantity1000
  • DescriptionPolymeric PTC Resettable Fuse 20V 5.5 A Ih User Defined Strap
  • Package / CaseStrap
  • Size / Dimension1.417" L x 0.283" W (36.00mm x 7.20mm)
  • Mounting TypeUser Defined
  • TypePolymeric
  • Operating Temperature-40°C ~ 85°C
  • Approval AgencyCSA, TUV, UL
  • Current - Hold (Ih) (Max)5.5 A
  • Current - Trip (It)10.5 A
  • Voltage - Max20V
  • Thickness (Max)0.039" (1.00mm)
  • Current - Max100 A
  • Time to Trip5 s
  • Resistance - Initial (Ri) (Min)9 mOhms
  • Resistance - Post Trip (R1) (Max)22 mOhms

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Quality and Reliability

We supply 100% original and brand-new LR4-550F from Wickmann / Littelfuse only.

Hard Find Electronics Tech Limited is committed to achieving the highest levels of quality to meet and exceed customer requirements. We have built a network of trusted suppliers and assembled a team of experienced professionals to serve our customers better. Our rigorous 3-step quality control process ensures that you receive the best possible service and products. All components supplied by us come with a 365-day quality warranty, guaranteeing your satisfaction and confidence in our products.

Order Guide
  • RFQ
    Source at least two reliable suppliers
  • QUOTE
    Information checking available/price/condition
  • QC PROCESS
    3-Step Quality Control and Professional Third-Party Test
  • SHIPMENT
    FedEx, DHL, UPS, TNT
In Stock: 962
Please send an RFQ for instant price and inventory.
 Fast Shipping

QUANTITY

Multiples of 1

MORECustomer Reviews
  • Ad***an 
    great, thank you.
  • Ti***na 
    Thank you for your support with every time! Products are delivered with good condition.
  • le***ky 
    Shipped quickly. It met my expectations and the product is in good condition.
  • Ke***an 
    We have received the goods right and perfectly packaged. And also thank you for your gift.
  • Sa***ne 
    erhalten, alles gut.

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Hard-to-find Electronic Components Distributor
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In Stock: 962 | For reference only.