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Home > Products > Circuit Protection > PTC Resettable Fuses > LR4-550F
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5690537LR4-550F ImageHamlin / Littelfuse

LR4-550F

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Reference Price(In US Dollars)

In stock
1+
$1.09
5+
$1.054
10+
$0.986
50+
$0.816
100+
$0.68
250+
$0.663
500+
$0.561
1000+
$0.493
5000+
$0.442
Inquiry Online
Specifications
  • Part Number
    LR4-550F
  • Manufacturer/Brand
    Hamlin / Littelfuse
  • Stock Quantity
    In stock
  • Description
    PTC RESET FUSE 20V 5.5A STRAP
  • Lead Free Status / RoHS Status
    Lead free / RoHS Compliant
  • Datasheets
    1.LR4-550F.pdf
    2.LR4-550F.pdf
  • Voltage - Max
    20V
  • Type
    Polymeric
  • Time to Trip
    5s
  • Thickness (Max)
    0.039" (1.00mm)
  • Size / Dimension
    1.417" L x 0.283" W (36.00mm x 7.20mm)
  • Series
    PolySwitch®, LR4
  • Resistance - Post Trip (R1) (Max)
    22 mOhms
  • Resistance - Initial (Ri) (Min)
    9 mOhms
  • Ratings
    -
  • Packaging
    Bulk
  • Package / Case
    Strap
  • Other Names
    E74816-000
    RF1545-000
    RF1545-000-ND
    RF1545000
  • Operating Temperature
    -40°C ~ 85°C
  • Mounting Type
    User Defined
  • Moisture Sensitivity Level (MSL)
    1 (Unlimited)
  • Manufacturer Standard Lead Time
    9 Weeks
  • Lead Spacing
    -
  • Lead Free Status / RoHS Status
    Lead free / RoHS Compliant
  • Height - Seated (Max)
    -
  • Detailed Description
    Polymeric PTC Resettable Fuse 20V 5.5A Ih User Defined Strap
  • Current - Trip (It)
    10.5A
  • Current - Max
    100A
  • Current - Hold (Ih) (Max)
    5.5A
  • Approvals
    CSA, TUV, UL

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