250R120U is out of stock and can be placed on backorder.
Available Substitutes:

Similar


Bourns Inc.
In Stock: 0
Unit Price: $0.59000
Datasheet
Polymeric PTC Resettable Fuse 60V (250V Int) 120 mA Ih Through Hole Radial, Disc
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Polymeric PTC Resettable Fuse 60V (250V Int) 120 mA Ih Through Hole Radial, Disc
Building Automation – Protect/Sense/Control
Basics of NTC and PTC Thermistors - Another Teaching Moment

250R120U

DigiKey Part Number
F1915-ND
Manufacturer
Manufacturer Part Number
250R120U
Description
PTC RESET FUSE 60V 120MA RADIAL
Manufacturer Standard Lead Time
15 Weeks
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 60V (250V Int) 120 mA Ih Through Hole Radial, Disc
Datasheet
 Datasheet
Product Attributes
Filter Similar Products
Show Empty Attributes
Category
Time to Trip
2.5 s
Manufacturer
Littelfuse Inc.
Resistance - Initial (Ri) (Min)
4 Ohms
Series
Resistance - Post Trip (R1) (Max)
16 Ohms
Packaging
Bulk
Operating Temperature
-40°C ~ 85°C
Part Status
Active
Mounting Type
Through Hole
Type
Polymeric
Package / Case
Radial, Disc
Voltage - Max
60V (250V Int)
Size / Dimension
0.256" L x 0.181" W (6.50mm x 4.60mm)
Current - Hold (Ih) (Max)
120 mA
Height - Seated (Max)
0.433" (11.00mm)
Current - Trip (It)
240 mA
Lead Spacing
0.201" (5.10mm)
Current - Max
3 A
Approval Agency
cURus, TUV
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (1)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
MF-RX012/250-2Bourns Inc.0118-MF-RX012/250-2TR-ND$0.59000Similar
In-Stock: 0
500 estimated in stock on 19-Mar-2027
Request Stock Notification
All prices are in USD
Bulk
QuantityUnit PriceExt Price
1$0.79000$0.79
5$0.65600$3.28
10$0.60500$6.05
50$0.50180$25.09
100$0.46290$46.29
250$0.41612$104.03
500$0.38378$191.89
1,000$0.35382$353.82
5,000$0.29950$1,497.50
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.