RXEF040-2 is out of stock and can be placed on backorder.
Available Substitutes:

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Littelfuse Inc.
In Stock: 0
Unit Price: $0.57000
Datasheet

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Littelfuse Inc.
In Stock: 0
Unit Price: $0.48000
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Eaton - Electronics Division
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Unit Price: $0.35072
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Bel Fuse Inc.
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Datasheet
Polymeric PTC Resettable Fuse 72V 400 mA 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 72V 400 mA Ih Through Hole Radial, Disc
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RXEF040-2

DigiKey Part Number
RXEF040-2HFTR-ND - Tape & Reel (TR)
RXEF040-2HFCT-ND - Cut Tape (CT)
Manufacturer
Manufacturer Part Number
RXEF040-2
Description
PTC RESET FUSE 72V 400MA RADIAL
Manufacturer Standard Lead Time
15 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 72V 400 mA Ih Through Hole Radial, Disc
Datasheet
 Datasheet
Product Attributes
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Category
Time to Trip
3.8 s
Manufacturer
Littelfuse Inc.
Resistance - Initial (Ri) (Min)
550 mOhms
Series
Resistance - Post Trip (R1) (Max)
1.29 Ohms
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Operating Temperature
-40°C ~ 85°C
Part Status
Active
Mounting Type
Through Hole
Type
Polymeric
Package / Case
Radial, Disc
Voltage - Max
72V
Size / Dimension
0.299" Dia x 0.118" T (7.60mm x 3.00mm)
Current - Hold (Ih) (Max)
400 mA
Height - Seated (Max)
0.532" (13.50mm)
Current - Trip (It)
800 mA
Lead Spacing
0.199" (5.05mm)
Current - Max
40 A
Approval Agency
CQC, CSA, TUV, UL
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (4)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
72R040XPRLittelfuse Inc.072R040XPRCT-ND$0.57000Similar
RXEF040Littelfuse Inc.0RXEF040HF-ND$0.48000Similar
PTR060V0040-TR1Eaton - Electronics Division0283-PTR060V0040-TR1TR-ND$0.35072Similar
0ZRR0040FF2EBel Fuse Inc.05923-0ZRR0040FF2ETR-ND$0.39000Similar
In-Stock: 0
3,000 estimated in stock on 01-Apr-2027
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All prices are in USD
Cut Tape (CT)
QuantityUnit PriceExt Price
1$0.46000$0.46
5$0.44200$2.21
10$0.42900$4.29
50$0.36060$18.03
100$0.29930$29.93
250$0.27208$68.02
500$0.23128$115.64
1,000$0.20407$204.07
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000$0.20252$607.56
6,000$0.18688$1,121.28
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