Littelfuse, Inc. PTC Resettable Fuses - 250R145-RAU 250R145-RAU

Manufacturer: Littelfuse Inc.
Win Source Part Number: 805933-250R145-RAU
Packaging: Bulk
Type: Polymeric
Mounting Style: Through Hole
Approvals: cURus, TUV
Lead Spacing: 0.201" (5.10mm)
Voltage - Max: 60V (250V Int)
Current - Max: 3A
Current - Trip (It): 290mA
Time to Trip: 2.5s
Temperature Range - Operating: -40°C ~ 85°C
Dimension: 0.256" L x 0.181" W (6.50mm x 4.60mm)
Resistance - Initial (Ri) (Min): 3 Ohms
Manufacturer Package: Radial, Disc
Current - Hold (Ih) (Maximum): 145mA
Height - Seated (Maximum): 0.433" (11.00mm)
Resistance - Post Trip (R1) (Maximum): 12 Ohms
Popularity: Medium
Fake Threat In the Open Market: 44 pct.
Supply and Demand Status: Balance
Manufacturer Pack Quantity: 500
MSL Level: 1 (Unlimited)

PTC Resettable Fuse, 3ohm, Through Hole Mount, RADIAL LEADED, HALOGEN FREE & ROHS COMPLIANT Product overview: 250R145-RAU 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 Through-Hole, 3ohm. Search-friendly keywords include fuse, circuit protection, overcurrent protection, equipment safety, Through-Hole, 3ohm, 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 150-250R145-RAU can be used for catalog matching and distributor lookup.