RF1542-000
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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

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In-Stock: 3,421
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All prices are in GBP
Bag
QuantityUnit PriceExt Price
1£0.85000£0.85
5£0.70800£3.54
10£0.65200£6.52
50£0.54100£27.05
100£0.49920£49.92
250£0.44864£112.16
500£0.41372£206.86
1,000£0.38136£381.36
5,000£0.33406£1,670.30
Manufacturers Standard Package
Unit Price without VAT:£0.85000
Unit Price with VAT:£1.02000