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

72R185XMR

DigiKey Part Number
18-72R185XMRCT-ND - Cut Tape (CT)
18-72R185XMRTB-ND - Tape & Box (TB)
Manufacturer
Manufacturer Product Number
72R185XMR
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
Cut Tape (CT)
Tape & Box (TB)
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 0.122" T (16.76mm x 3.10mm)
Current - Hold (Ih) (Max)
1.85 A
Height - Seated (Max)
0.906" (23.00mm)
Current - Trip (It)
3.7 A
Lead Spacing
0.201" (5.10mm)
Current - Max
40 A
Approval Agency
cURus, TUV
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (7)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
RXEF185Littelfuse Inc.3,739RXEF185HF-ND$0.74000Parametric Equivalent
RXEF185-1Littelfuse Inc.29,371RXEF185-1HF-ND$0.71000Parametric Equivalent
RXEF185-2Littelfuse Inc.8,854RXEF185-2CT-ND$0.95000Parametric Equivalent
RXEF185-APLittelfuse Inc.146RXEF185-APCT-ND$0.80000Parametric Equivalent
RXEF185KLittelfuse Inc.543RXEF185KHF-ND$0.74000Parametric Equivalent
In-Stock: 344
Check for Additional Incoming Stock
All prices are in USD
Cut Tape (CT)
QuantityUnit PriceExt Price
1$2.15000$2.15
5$1.78000$8.90
10$1.64200$16.42
50$1.36220$68.11
100$1.25680$125.68
250$1.12932$282.33
500$1.04114$520.57
Tape & Box (TB)
QuantityUnit PriceExt Price
1,000$0.82236$822.36
2,000$0.75800$1,516.00
Manufacturers Standard Package