TRF250-145ST-B-0.5 is available for purchase but is not normally stocked.
Available Substitutes:

Parametric Equivalent


Littelfuse Inc.
In Stock: 0
Unit Price: $0.95000
Datasheet
Building Automation – Protect/Sense/Control
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Building Automation – Protect/Sense/Control
Basics of NTC and PTC Thermistors - Another Teaching Moment

TRF250-145ST-B-0.5

DigiKey Part Number
TRF250-145ST-B-0.5-ND
Manufacturer
Manufacturer Part Number
TRF250-145ST-B-0.5
Description
PTC RESET FUSE 60V 145MA RADIAL
Customer Reference
Detailed Description
Polymeric PTC Resettable Fuse 60V (250V Int) 145 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)
3 Ohms
Series
Resistance - Post Trip (R1) (Max)
14 Ohms
Packaging
Bag
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)
145 mA
Height - Seated (Max)
0.433" (11.00mm)
Current - Trip (It)
290 mA
Lead Spacing
0.197" (5.00mm)
Current - Max
3 A
Approval Agency
CSA, TUV, UL
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (1)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
TRF250-145-RA-B-0.5Littelfuse Inc.0TRF250-145-RA-B-0.5-ND$0.95000Parametric Equivalent
Unavailable
This product is no longer carried by DigiKey. View Substitutes
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.