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Part Number Overview
Manufacturer Part Number
LR4-550F
Description
PTC RESET FUSE 20V 5.5A STRAP
Detailed Description
Polymeric PTC Resettable Fuse 20V 5.5 A Ih User Defined Strap
Manufacturer
Littelfuse Inc.
Standard LeadTime
15 Weeks
Edacad Model
Standard Package
1,000
Supplier Stocks
Technical specifications
Mfr
Littelfuse Inc.
Series
PolySwitch®, LR4
Package
Bag
Product Status
Active
Type
Polymeric
Voltage - Max
20V
Current - Hold (Ih) (Max)
5.5 A
Current - Trip (It)
10.5 A
Current - Max
100 A
Time to Trip
5 s
Resistance - Initial (Ri) (Min)
9 mOhms
Resistance - Post Trip (R1) (Max)
22 mOhms
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
-
Approval Agency
CSA, TUV, UL
Environmental & Export Classifications
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8533.40.8070
California Prop 65
Other Names
RF1545-000
-1024-LR4-550F
RF1545-000-ND
RF1545000
E74816-000
Category
/Product Index/Circuit Protection/PTC Resettable Fuses/Littelfuse Inc. LR4-550F
Documents & Media
Datasheets
1(LR4-550F Spec)
Product Training Modules
()
Video File
()
Featured Product
1(Innovative Circuit Protection Solutions)
PCN Packaging
1(Mult Dev Shipping Chgs 9/Jun/2020)
HTML Datasheet
()
Quantity Price
Quantity: 5000
Unit Price: $0.50157
Packaging: Bag
MinMultiplier: 1
Packaging: Bag
MinMultiplier: 1
Quantity: 1000
Unit Price: $0.55944
Packaging: Bag
MinMultiplier: 1
Packaging: Bag
MinMultiplier: 1
Quantity: 500
Unit Price: $0.6366
Packaging: Bag
MinMultiplier: 1
Packaging: Bag
MinMultiplier: 1
Quantity: 250
Unit Price: $0.75236
Packaging: Bag
MinMultiplier: 1
Packaging: Bag
MinMultiplier: 1
Quantity: 100
Unit Price: $0.7716
Packaging: Bag
MinMultiplier: 1
Packaging: Bag
MinMultiplier: 1
Quantity: 50
Unit Price: $0.926
Packaging: Bag
MinMultiplier: 1
Packaging: Bag
MinMultiplier: 1
Quantity: 10
Unit Price: $1.119
Packaging: Bag
MinMultiplier: 1
Packaging: Bag
MinMultiplier: 1
Quantity: 5
Unit Price: $1.196
Packaging: Bag
MinMultiplier: 1
Packaging: Bag
MinMultiplier: 1
Quantity: 1
Unit Price: $1.23
Packaging: Bag
MinMultiplier: 1
Packaging: Bag
MinMultiplier: 1
Substitutes
Part No. : 0ZSC0550FF1E
Manufacturer. : Bel Fuse Inc.
Quantity Available. : 950
Unit Price. : $0.94000
Substitute Type. : Direct
Quantity Available. : 950
Unit Price. : $0.94000
Substitute Type. : Direct
Part No. : MF-LR730/20-0
Manufacturer. : Bourns Inc.
Quantity Available. : 4,300
Unit Price. : $1.69000
Substitute Type. : Similar
Quantity Available. : 4,300
Unit Price. : $1.69000
Substitute Type. : Similar
Part No. : MF-LR900/20-0
Manufacturer. : Bourns Inc.
Quantity Available. : 651
Unit Price. : $2.04000
Substitute Type. : Similar
Quantity Available. : 651
Unit Price. : $2.04000
Substitute Type. : Similar