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
Basics of NTC and PTC Thermistors - Another Teaching Moment

RXEF250K-2

DigiKey Part Number
18-RXEF250K-2TR-ND - Tape & Reel (TR)
18-RXEF250K-2CT-ND - Cut Tape (CT)
Manufacturer
Manufacturer Product Number
RXEF250K-2
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
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
0.819" Dia x 0.118" T (20.80mm x 3.00mm)
Current - Hold (Ih) (Max)
2.5 A
Height - Seated (Max)
1.000" (25.40mm)
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 (3)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
RXEF250Littelfuse Inc.72,795RXEF250HF-ND$0.98000Parametric Equivalent
RXEF250-2Littelfuse Inc.6,225RXEF250-2HFTR-ND$1.22000Parametric Equivalent
RXEF250-APLittelfuse Inc.1,769RXEF250-APHFCT-ND$1.05000Parametric Equivalent
In-Stock: 1,343
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All prices are in USD
Cut Tape (CT)
QuantityUnit PriceExt Price
1$1.22000$1.22
5$1.01400$5.07
10$0.93600$9.36
50$0.77680$38.84
100$0.71670$71.67
250$0.64416$161.04
500$0.59400$297.00
Tape & Reel (TR)
QuantityUnit PriceExt Price
1,000$0.46934$469.34
2,000$0.43243$864.86
3,000$0.41210$1,236.30
5,000$0.40875$2,043.75
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