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LR4-550F
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LR4-550F


Part Number LR4-550F
Zouser Part # LR4-550F
Manufacturer Littelfuse
Category PowerCircuit ProtectionPTC Resettable Fuses
Description PTC RESET FUSE 20V 5.5A STRAP
Lifecycle Active
RoHS No RoHS Information
EDA/CAD Models LR4-550F PCB Footprint and Symbol
Warehouses USA, Europe, China, Hong Kong SAR
Estimated Delivery Feb 18 - Feb 23 (Choose Expedited Shipping)
Warranty Up to 1 year [Limited-Warranty]*

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ISO9001 ISO14001 RoHS Compliant IAF CNAS UKAS

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In Stock502 - More on Order
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Lead-TimeTo be Confirmed
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LR4-550F Specifications

Part Number LR4-550F
Brand Littelfuse
Lifecycle Active
RoHS No RoHS Information
Product Line Power
Category Circuit Protection
Subcategory PTC Resettable Fuses
Manufacturer Littelfuse Inc.
Series PolySwitch®, LR4
Type Polymeric
Voltage - Max 20V
Current - Max 100A
Current - Hold (Ih) (Max) 5.5A
Current - Trip (It) 10.5A
Time to Trip 5s
Resistance - Initial (Ri) (Min) 9 mOhms
Resistance - Post Trip (R1) (Max) 22 mOhms
Resistance - 25°C (Typ) -
Operating Temperature -40°C ~ 85°C
Ratings -
Mounting Type User Defined
Package / Case Strap
Size / Dimension 1.417" L x 0.283" W (36.00mm x 7.20mm)
Height - Seated (Max) -
Thickness (Max) 0.039" (1.00mm)
Lead Spacing -

LR4-550F Documents

LR4-550F, LR4-550F Datasheet (Total Pages: 2, Size: 152.05 KB)
LR4-550F Datasheet CoverLR4-550F Datasheet Page 2

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