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£0.59000Similar
In-Stock: 13,455
Check for Additional Incoming Stock
All prices are in GBP
Bag
QuantityUnit PriceExt Price
1£1.08000£1.08
5£0.90000£4.50
10£0.83000£8.30
50£0.68860£34.43
100£0.63530£63.53
250£0.57100£142.75
500£0.52650£263.25
1,000£0.48527£485.27
5,000£0.45148£2,257.40
Manufacturers Standard Package
Unit Price without VAT:£1.08000
Unit Price with VAT:£1.29600