Polymeric PTC Resettable Fuse 72V 3 A Ih Through Hole Radial, Disc
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Polymeric PTC Resettable Fuse 72V 3 A Ih Through Hole Radial, Disc
Building Automation – Protect/Sense/Control
Basics of NTC and PTC Thermistors - Another Teaching Moment

RXEF300K

DigiKey Part Number
RXEF300KHF-ND
Manufacturer
Manufacturer Product Number
RXEF300K
Description
PTC RESET FUSE 72V 3A RADIAL
Manufacturer Standard Lead Time
17 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 72V 3 A Ih Through Hole Radial, Disc
Datasheet
 Datasheet
Product Attributes
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Category
Time to Trip
19.8 s
Manufacturer
Littelfuse Inc.
Resistance - Initial (Ri) (Min)
40 mOhms
Series
Resistance - Post Trip (R1) (Max)
100 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
0.910" Dia x 0.118" T (23.11mm x 3.00mm)
Current - Hold (Ih) (Max)
3 A
Height - Seated (Max)
1.154" (29.30mm)
Current - Trip (It)
6 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 (5)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
RXEF300Littelfuse Inc.6,659RXEF300HF-ND$1.13000Parametric Equivalent
RXEF300-2Littelfuse Inc.5,431RXEF300-2HFTR-ND$1.49000Parametric Equivalent
RXEF300K-2Littelfuse Inc.4,400RXEF300K-2HFTR-ND$1.40000Parametric Equivalent
RXEF300-APLittelfuse Inc.2,467RXEF300-APCT-ND$1.41000Parametric Equivalent
RXEF300-1Littelfuse Inc.237RXEF300-1HF-ND$1.19000Parametric Equivalent
In-Stock: 250
Check for Additional Incoming Stock
All prices are in USD
Bag
QuantityUnit PriceExt Price
1$1.13000$1.13
5$0.93800$4.69
10$0.86500$8.65
50$0.71740$35.87
100$0.66200$66.20
250$0.59496$148.74
500$0.54862$274.31
1,000$0.50570$505.70
5,000$0.44375$2,218.75
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