RF1542-000
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
RF1542-000
Building Automation – Protect/Sense/Control
Basics of NTC and PTC Thermistors - Another Teaching Moment

LR4-450F

DigiKey Part Number
LR4-450F-ND
Manufacturer
Manufacturer Product Number
LR4-450F
Description
PTC RESET FUSE 20V 4.5A STRAP
Manufacturer Standard Lead Time
15 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 20V 4.5 A Ih User Defined Strap
Datasheet
 Datasheet
Product Attributes
Type
Description
Select All
Category
Manufacturer
Littelfuse Inc.
Series
Packaging
Bag
Part Status
Active
Type
Polymeric
Voltage - Max
20V
Current - Hold (Ih) (Max)
4.5 A
Current - Trip (It)
8.9 A
Current - Max
100 A
Time to Trip
5 s
Resistance - Initial (Ri) (Min)
11 mOhms
Resistance - Post Trip (R1) (Max)
28 mOhms
Operating Temperature
-40°C ~ 85°C
Ratings
-
Mounting Type
User Defined
Package / Case
Strap
Size / Dimension
0.984" L x 0.413" W (25.00mm x 10.50mm)
Height - Seated (Max)
-
Thickness (Max)
0.039" (1.00mm)
Lead Spacing
-
Approval Agency
CSA, TUV, UL
Product Questions and Answers

See what engineers are asking, ask your own questions, or help out a member of the DigiKey engineering community

In-Stock: 926
Check for Additional Incoming Stock
All prices are in EUR
Bag
QuantityUnit PriceExt Price
1€ 0,96000€ 0,96
5€ 0,79600€ 3,98
10€ 0,73400€ 7,34
50€ 0,60900€ 30,45
100€ 0,56190€ 56,19
250€ 0,50504€ 126,26
500€ 0,46570€ 232,85
1 000€ 0,42928€ 429,28
5 000€ 0,37603€ 1 880,15
Manufacturers Standard Package
Unit Price without VAT:€ 0,96000
Unit Price with VAT:€ 1,17120