Littelfuse, Inc. PTC Resettable Fuses - TR250-145 TR250-145

Manufacturer: Littelfuse Inc.
Win Source Part Number: 1273872-TR250-145
Packaging: Bulk
Type: Polymeric
Mounting Style: Through Hole
Approvals: CSA, TUV, UL
Lead Spacing: 0.197"
Voltage - Max: 250V (60V Int)
Current - Max: 3A
Time to Trip: 2.5s
Categories: Circuit Protection
Status: Obsolete
Temperature Range - Operating: -40°C ~ 85°C
Manufacturer Homepage: www.macom.com
Manufacturer Package: Radial, Disc
Current - Hold (Ih) (Maximum): 145mA
Height - Seated (Maximum): 0.433" (11.00mm)
Resistance - Initial (Ri) (Minimum): 3 Ohms
Resistance - Post Trip (R1) (Maximum): 14 Ohms
Popularity: Medium
Fake Threat In the Open Market: 33 pct.
Supply and Demand Status: Limited
Manufacturer Pack Quantity: 500
MSL Level: Not Applicable
Parts Dimension: 0.256" L x 0.181" W (6.50mm x 4.60mm)

PTC Resettable Fuse 0.145A(hold) 0.29A(trip) 60VDC 1W 2.5s 3Ohm Radial 6.5 X 4.6 X 7mm Bulk Product overview: TR250-145 from Littelfuse is a Circuit Protection Fuse for overcurrent protection, power input protection, equipment safety, automotive electronics, and industrial control panels. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 0.145A, 0.29A, 1W. Search-friendly keywords include fuse, circuit protection, overcurrent protection, equipment safety, 0.145A, 0.29A, 1W, Circuit Protection Fuse, PTC Resettable Fuses. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 150-TR250-145 can be used for catalog matching and distributor lookup.