Littelfuse, Inc. PTC Resettable Fuses - SMD1812P125TFA SMD1812P125TFA

Manufacturer: Littelfuse Inc.
Win Source Part Number: 1098156-SMD1812P125TFA
Packaging: Reel - TR
Type: Polymeric
Approvals: cURus, TUV
Mounting: SMD (SMT)
Thickness (Max): 0.039" (1.00mm)
Voltage - Max: 15V
Current - Max: 40A
Current - Hold (Ih) (Max): 1.25A
Current - Trip (It): 2.5A
Time to Trip: 400ms
Categories: Circuit Protection
Status: Obsolete(EOL)
Temperature Range - Operating: -40°C to 85°C
Dimension: 0.179" L x 0.128" W (4.55mm x 3.24mm)
Resistance - Initial (Ri) (Min): 70 mOhm
Resistance - Post Trip (R1) (Max): 250 mOhm
Popularity: Medium
Fake Threat In the Open Market: 67 pct.
Supply and Demand Status: Balance

PTC Resettable Fuse 1.25A(hold) 2.5A(trip) 15VDC 40A 0.8W 0.4s 0.07Ohm SMD Solder Pad 1812 T/R Product overview: SMD1812P125TFA 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 SMD, 1.25A, 2.5A, 40A. Search-friendly keywords include fuse, circuit protection, overcurrent protection, equipment safety, SMD, 1.25A, 2.5A, 40A, 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-SMD1812P125TFA can be used for catalog matching and distributor lookup.