Manufacturer: Littelfuse Inc.
Win Source Part Number: 1000145-0443003.DR
Packaging: Reel - TR
Current Rating: 3A
Fuse Type: Board Mount (Cartridge Style Excluded)
Voltage Rating - AC: 250V
Response Time: Slow
Breaking Capacity @ Rated Voltage: 50A
Approvals: cULus
Mounting: SMD (SMT)
Categories: Circuit Protection
Status: Active
Temperature Range - Operating: -55°C to 125°C
Nominal Melting - I2t: 51.44
Nominal Cold Resistance: 0.028 Ohm
Popularity: Medium
Fake Threat In the Open Market: 68 pct.
Supply and Demand Status: Sufficient
Electric Fuse, Time Lag Blow, 3A, 250VAC, 50A (IR), Surface Mount, NANO, ROHS COMPLIANT Product overview: 0443003.DR 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, 3A, 50A. Search-friendly keywords include fuse, circuit protection, overcurrent protection, equipment safety, SMD, 3A, 50A, Circuit Protection Fuse, Fuses. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 139-0443003.DR can be used for catalog matching and distributor lookup.
3A 250V AC DC Fuse Board Mount (Cartridge Style Excluded) Surface Mount 2-SMD, Square End Block
3A 250V AC DC Fuse Board Mount (Cartridge Style Excluded) Surface Mount 2-SMD, Square End Block
3A 250V AC DC Fuse Board Mount (Cartridge Style Excluded) Surface Mount 2-SMD, Square End Block
FUSE BOARD MOUNT 3A 250VAC 2SMD
50A SMD Fuse 3A 250V SMD,10.1x3.1mm Fuses ROHS
FUSE BOARD MOUNT 3A 250VAC 2SMD
FUSE, SMD, 3A, SLOW BLOW; Fuse Current:3A; Blow Characteristic:Slow Blow; Voltage Rating VAC:250V; Voltage Rating VDC:-; Fuse Case Style:4012; Product Range:NANO2 Slo-Blo 443 Series; Breaking Capacity Current AC:50A RoHS Compliant: Yes
FUSE, SLOW BLOW, 3A, SMD; Fuse Current:3A; Product Range:NANO2 Slo-Blo 443 Series; Voltage Rating VAC:250V; Voltage Rating V DC:-; Blow Characteristic:Slow Blow; Fuse Case Style:SMD; Breaking Capacity Current AC:50A; Breaking RoHS Compliant: Yes
| Win Source Electronics | ERSAELECTRONICS PTE. LTD. | DigiKey | Shenzhen Shengyu Electronics Technology Limited | LCSC Electronics Technology (HK) Limited | Utmel Electronic Limited | Newark, An Avnet Company | Newark, An Avnet Company | |
|---|---|---|---|---|---|---|---|---|
| Product Category | Fuses | Fuses | Fuses | Fuses | Fuses | Fuses | Fuses | Fuses |
| Product Number | 1000145-0443003.DR | 139-0443003.DR | F2910DKR-ND | 0443003.DR | 0443003.DR | 461-0443003.DR | 01P9270 | 17AC5615 |
| Product Name | Fuses - 0443003.DR | SMD 3A 50A Circuit Protection Fuse | Fuses | Circuit Protection - Fuses | TVS/Fuse/Board Level Protection >> Fuses | FUSE BOARD MOUNT 3A 250VAC 2SMD | Fuse, Smd, 3A, Slow Blow; Fuse Current Littelfuse | Fuse, Slow Blow, 3A, Smd; Fuse Current Littelfuse |
| Mounting | SMD (SMT) | Solderable (Surface Mount Technology) | Surface Mount | Solderable (Surface Mount Technology) | ||||
| Operating Temperature | -55 to 125 C (-67 to 257 F) | -55 to 125 C (-67 to 257 F) | -55 to 125 C (-67 to 257 F) | -55 to 125 C (-67 to 257 F) | -55 C (-67 F) | |||
| Rated Voltage | 250 volts | 250 volts | 250 volts | 250 volts | 250 volts | 250 volts | 250 volts | |
| Rated Current | 3 amps | 3 amps | 3 amps | 3 amps | 3 amps | 3 amps | 3 amps |
