RHEF450-2 is out of stock and can be placed on backorder.
Available Substitutes:

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Bel Fuse Inc.
In Stock: 0
Unit Price: $0.47511
Datasheet
Polymeric PTC Resettable Fuse 16V 4.5 A Ih Through Hole Radial, Disc
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Polymeric PTC Resettable Fuse 16V 4.5 A Ih Through Hole Radial, Disc
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RHEF450-2

DigiKey Part Number
RHEF450-2HFTR-ND - Tape & Reel (TR)
RHEF450-2HFCT-ND - Cut Tape (CT)
Manufacturer
Manufacturer Part Number
RHEF450-2
Description
PTC RESET FUSE 16V 4.5A RADIAL
Manufacturer Standard Lead Time
15 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 16V 4.5 A Ih Through Hole Radial, Disc
Datasheet
 Datasheet
Product Attributes
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Category
Time to Trip
3 s
Manufacturer
Littelfuse Inc.
Resistance - Initial (Ri) (Min)
22 mOhms
Series
Resistance - Post Trip (R1) (Max)
54 mOhms
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Operating Temperature
-40°C ~ 125°C
Part Status
Active
Mounting Type
Through Hole
Type
Polymeric
Package / Case
Radial, Disc
Voltage - Max
16V
Size / Dimension
0.409" L x 0.118" W (10.40mm x 3.00mm)
Current - Hold (Ih) (Max)
4.5 A
Height - Seated (Max)
0.614" (15.60mm)
Current - Trip (It)
7.8 A
Lead Spacing
0.199" (5.05mm)
Current - Max
100 A
Approval Agency
CSA, TUV, UL
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (1)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
0ZRN0450FF2BBel Fuse Inc.00ZRN0450FF2B-ND$0.47511Similar
In-Stock: 0
943 estimated in stock on 25-Feb-2027
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All prices are in USD
Cut Tape (CT)
QuantityUnit PriceExt Price
1$0.75000$0.75
5$0.73200$3.66
10$0.70900$7.09
50$0.59620$29.81
100$0.49490$49.49
250$0.44992$112.48
500$0.38242$191.21
Tape & Reel (TR)
QuantityUnit PriceExt Price
1,500$0.34703$520.54
3,000$0.31970$959.10
4,500$0.30900$1,390.50
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