Electric Fuse, Very Fast Blow, 4A, 50A (IR), NANO, HALOGEN FREE AND ROHS COMPLIANT Product overview: 0451004.MRSN 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 4A, 50A. Search-friendly keywords include fuse, circuit protection, overcurrent protection, equipment safety, 4A, 50A, Circuit Protection Fuse, Fuses. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 139-0451004.MRSN can be used for catalog matching and distributor lookup.
Manufacturer: Littelfuse Inc.
Win Source Part Number: 904545-0451004.MRSN
Series: NANO²® 451
Operating Temperature Range: -55°C ~ 125°C
Features: AC DC Fuse Board Mount (Cartridge Style Excluded) Surface Mount 2-SMD, Square End Block
Package: 2-SMD, Square End Block
Package: Reel - TR
Mounting: Surface Mount
Categories: Circuit Protection
ECCN: EAR99
Popularity: High
Fake Threat In the Open Market: 74 pct.
Supply and Demand Status: Balance
Quantity per package: 1000
MSL Level: 1 (Unlimited)
Estimated Pruduction Lead Time: 25 Weeks
HTSUS: 8536.10.0040
Other Part Number: 451004MRSN, 0451004.MRSN-ND, 0451004MRSN, 18-0451004.MRSNCT, -0451004.MRSN, 451004.MRSN, 18-0451004.MRSNTR
4A 125V AC DC Fuse Board Mount (Cartridge Style Excluded) Surface Mount 2-SMD, Square End Block
4A 125V AC DC Fuse Board Mount (Cartridge Style Excluded) Surface Mount 2-SMD, Square End Block
FUSE BOARD MOUNT 4A 125VAC 2SMD
| ERSAELECTRONICS PTE. LTD. | Win Source Electronics | DigiKey | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|
| Product Category | Fuses | Fuses | Fuses | Fuses |
| Product Number | 139-0451004.MRSN | 904545-0451004.MRSN | 18-0451004.MRSNTR-ND | 0451004.MRSN |
| Product Name | 4A 50A Circuit Protection Fuse | Fuses - 0451004.MRSN | Fuses | Circuit Protection - Fuses |
| Approvals / Standards | RoHS | CSA | ||
| Rated Voltage | 125 volts | 125 volts | ||
| Rated Current | 4 amps | 4 amps | ||
| Mounting | Surface Mount | Solderable (Surface Mount Technology) |