RF1545-000
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
RF1545-000

LR4-550F

DigiKey Part Number
LR4-550F-ND
Manufacturer
Littelfuse Inc.
Manufacturer Product Number
LR4-550F
Description
PTC RESET FUSE 20V 5.5A STRAP
Manufacturer Standard Lead Time
15 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 20V 5.5 A Ih User Defined Strap
Datasheet
 Datasheet
Product Attributes
Type
Description
Select All
Category
Manufacturer
Littelfuse Inc.
Series
PolySwitch®, LR4
Packaging
Bag
Part 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
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