Littelfuse, Inc. Fuses 0449004.MR

4A 125V AC 125V DC Fuse Board Mount (Cartridge Style Excluded) Surface Mount 2-SMD, Square End Block

4A 125V AC 125V DC Fuse Board Mount (Cartridge Style Excluded) Surface Mount 2-SMD, Square End Block

4A 125V AC 125V DC Fuse Board Mount (Cartridge Style Excluded) Surface Mount 2-SMD, Square End Block

Win Source Part Number: 1361333-0449004.MR
Category: Circuit Protection - Fuses
Temperature Range - Operating: -55°C ~ 125°C
Fake Threat In the Open Market: 38 pct.
MSL Level: 1 (Unlimited)
Mfr: Littelfuse Inc.
Series: NANO²® 449
Package: Tape & Reel
Product Status: Active
Package / Case: 2-SMD, Square End Block
Mounting Type: Surface Mount
HTSUS: 8536.10.0040
Size / Dimension: 0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
REACH Status: REACH Unaffected
ECCN: EAR99
Current Rating (Amps): 4 A
Voltage Rating - AC: 125 V
Voltage Rating - DC: 125 V
Fuse Type: Board Mount (Cartridge Style Excluded)
Response Time: Slow Blow
Breaking Capacity @ Rated Voltage: 50A
Melting I²t: 40.8
Approval Agency: cULus, PSE
DC Cold Resistance: 0.0227 Ohms

4A 125V Time Delay Ceramic SMD Fuse, 6.1x2.69mm Product overview: 0449004.MR 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, 4A, 125V. Search-friendly keywords include fuse, circuit protection, overcurrent protection, equipment safety, SMD, 4A, 125V, Circuit Protection Fuse, Fuses. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 139-0449004.MR can be used for catalog matching and distributor lookup.