Polymeric PTC Resettable Fuse 72V 2.5 A Ih Through Hole Radial, Disc
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Polymeric PTC Resettable Fuse 72V 2.5 A Ih Through Hole Radial, Disc
Building Automation – Protect/Sense/Control
Basics of NTC and PTC Thermistors - Another Teaching Moment

RXEF250K

DigiKey Part Number
RXEF250KHF-ND
Manufacturer
Manufacturer Product Number
RXEF250K
Description
PTC RESET FUSE 72V 2.5A RADIAL
Manufacturer Standard Lead Time
17 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 72V 2.5 A Ih Through Hole Radial, Disc
Datasheet
 Datasheet
Product Attributes
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Category
Time to Trip
15.6 s
Manufacturer
Littelfuse Inc.
Resistance - Initial (Ri) (Min)
50 mOhms
Series
Resistance - Post Trip (R1) (Max)
130 mOhms
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
0.785" Dia x 0.118" T (19.93mm x 3.00mm)
Current - Hold (Ih) (Max)
2.5 A
Height - Seated (Max)
1.032" (26.20mm)
Current - Trip (It)
5 A
Lead Spacing
0.400" (10.15mm)
Current - Max
40 A
Approval Agency
CQC, CSA, TUV, UL
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (7)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
RXEF250Littelfuse Inc.72,795RXEF250HF-ND$0.98000Direct
72R250XFLittelfuse Inc.314F3204-ND$2.63000Direct
RXEF250-2Littelfuse Inc.6,225RXEF250-2HFTR-ND$1.22000Parametric Equivalent
RXEF250-APLittelfuse Inc.1,769RXEF250-APHFCT-ND$1.05000Parametric Equivalent
RXEF250K-2Littelfuse Inc.1,34318-RXEF250K-2TR-ND$1.22000Parametric Equivalent
In-Stock: 568
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All prices are in USD
Bag
QuantityUnit PriceExt Price
1$0.98000$0.98
5$0.81200$4.06
10$0.74900$7.49
50$0.62180$31.09
100$0.57370$57.37
250$0.51564$128.91
500$0.47550$237.75
1,000$0.43833$438.33
5,000$0.37912$1,895.60
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