Polymeric PTC Resettable Fuse 20V 5.5 A Ih User Defined Strap
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Polymeric PTC Resettable Fuse 20V 5.5 A Ih User Defined Strap
Building Automation – Protect/Sense/Control
Basics of NTC and PTC Thermistors - Another Teaching Moment

LR4-550F

DigiKey Part Number
LR4-550F-ND
Manufacturer
Manufacturer Product Number
LR4-550F
Description
PTC RESET FUSE 20V 5.5A STRAP
Manufacturer Standard Lead Time
17 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 20V 5.5 A Ih User Defined Strap
Datasheet
 Datasheet
Product Attributes
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Category
Time to Trip
5 s
Manufacturer
Littelfuse Inc.
Resistance - Initial (Ri) (Min)
9 mOhms
Series
Resistance - Post Trip (R1) (Max)
22 mOhms
Packaging
Bag
Operating Temperature
-40°C ~ 85°C
Part Status
Active
Mounting Type
User Defined
Type
Polymeric
Package / Case
Strap
Voltage - Max
20V
Size / Dimension
1.417" L x 0.283" W (36.00mm x 7.20mm)
Current - Hold (Ih) (Max)
5.5 A
Thickness (Max)
0.039" (1.00mm)
Current - Trip (It)
10.5 A
Approval Agency
CSA, TUV, UL
Current - Max
100 A
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (1)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
0ZSC0550FF1EBel Fuse Inc.4115923-0ZSC0550FF1E-ND€ 0,67000Similar
In-Stock: 13 955
Check for Additional Incoming Stock
All prices are in EUR
Bag
QuantityUnit PriceExt Price
1€ 1,14000€ 1,14
5€ 0,94600€ 4,73
10€ 0,87300€ 8,73
50€ 0,72420€ 36,21
100€ 0,66820€ 66,82
250€ 0,60052€ 150,13
500€ 0,55376€ 276,88
1 000€ 0,51043€ 510,43
5 000€ 0,47076€ 2 353,80
Manufacturers Standard Package
Unit Price without VAT:€ 1,14000
Unit Price with VAT:€ 1,39080