Polymeric PTC Resettable Fuse 72V 1.85 A Ih Through Hole Radial, Disc
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Polymeric PTC Resettable Fuse 72V 1.85 A Ih Through Hole Radial, Disc
Building Automation – Protect/Sense/Control
Basics of NTC and PTC Thermistors - Another Teaching Moment

RXEF185K

DigiKey Part Number
RXEF185KHF-ND
Manufacturer
Manufacturer Product Number
RXEF185K
Description
PTC RESET FUSE 72V 1.85A RADIAL
Manufacturer Standard Lead Time
17 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 72V 1.85 A Ih Through Hole Radial, Disc
Datasheet
 Datasheet
Product Attributes
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Category
Time to Trip
12.6 s
Manufacturer
Littelfuse Inc.
Resistance - Initial (Ri) (Min)
80 mOhms
Series
Resistance - Post Trip (R1) (Max)
190 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
0.660" Dia x 0.118" T (16.76mm x 3.00mm)
Current - Hold (Ih) (Max)
1.85 A
Height - Seated (Max)
0.906" (23.00mm)
Current - Trip (It)
3.7 A
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 (7)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
RXEF185-1Littelfuse Inc.29,361RXEF185-1HF-ND$0.76000Parametric Equivalent
RXEF185-2Littelfuse Inc.11,583RXEF185-2TR-ND$0.95000Parametric Equivalent
RXEF185Littelfuse Inc.9,424RXEF185HF-ND$0.74000Parametric Equivalent
72R185XMRLittelfuse Inc.34418-72R185XMRCT-ND$2.15000Parametric Equivalent
RXEF185-APLittelfuse Inc.0RXEF185-APCT-ND$0.80000Parametric Equivalent
In-Stock: 424
Check for Additional Incoming Stock
All prices are in USD
Bag
QuantityUnit PriceExt Price
1$0.78000$0.78
5$0.64800$3.24
10$0.59900$5.99
50$0.49660$24.83
100$0.45820$45.82
250$0.41188$102.97
500$0.37986$189.93
1,000$0.35022$350.22
5,000$0.29442$1,472.10
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