Polymeric PTC Resettable Fuse 72V 400 mA Ih Through Hole Radial, Disc
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Polymeric PTC Resettable Fuse 72V 400 mA Ih Through Hole Radial, Disc
Building Automation – Protect/Sense/Control
Basics of NTC and PTC Thermistors - Another Teaching Moment

RXEF040S

DigiKey Part Number
RXEF040SHF-ND
Manufacturer
Manufacturer Part Number
RXEF040S
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
Bag
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
In-Stock: 0
500 estimated in stock on 31-Mar-2027
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All prices are in USD
Bag
QuantityUnit PriceExt Price
1$0.48000$0.48
5$0.39800$1.99
10$0.36700$3.67
50$0.30420$15.21
100$0.28060$28.06
250$0.25228$63.07
500$0.23272$116.36
1,000$0.21460$214.60
5,000$0.17749$887.45
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