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| PartNumber | 0451012.NRL | 0451012.NR | 0451012.NRSN |
| Description | Surface Mount Fuses 65V 12A V/FA NANO2 W/Au CAPS | Surface Mount Fuses 65V 12A W/SN Caps | |
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | - |
| Product Category | Fuses | Fuses | - |
| Color | - | - | - |
| Series | NANO2R 451 | NANO2R 451 | - |
| Product | Surface Mount Fuse | Surface Mount Fuse | - |
| Packaging | Tape & Reel (TR) Alternate Packaging | Tape & Reel (TR) Alternate Packaging | - |
| Current Rating | 12A | 12A | - |
| Height | 2.69 mm | 2.69 mm | - |
| Length | 6.1 mm | 6.1 mm | - |
| Width | 2.69 mm | 2.69 mm | - |
| Package Case | 2-SMD, Square End Block | 2-SMD, Square End Block | - |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C | - |
| Mounting Type | Surface Mount | Surface Mount | - |
| Size Dimension | 0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm) | 0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm) | - |
| Voltage Rating AC | 125 V | 125 V | - |
| Voltage Rating DC | 125 VDC | 125 VDC | - |
| Fuse Type | Board Mount (Cartridge Style Excluded) | Board Mount (Cartridge Style Excluded) | - |
| Response Time | Fast | Fast | - |
| Approvals | CSA, UL | CSA, UL | - |
| Breaking Capacity Rated Voltage | 50A | 50A | - |
| MeltingI2t | 47.97 | 47.97 | - |
| Fuse Size Group | NANO | NANO | - |
| Interrupt Rating | - | 50 Amps at 65 VoltsAC / 300 Amps at 24VDC / 50 Amps at 65 VoltsDC | - |