| Operating Temperature | -55°C ~ 125°C | |
| Melting I²t | 3.152 | |
| Response Time | Fast Blow | |
| Color | - | |
| DC Cold Resistance | 0.016 Ohms | |
| Approval Agency | CSA, PSE, UL | |
| Current Rating (Amps) | 4 A | |
| ECCN | EAR99 | |
| Fuse Type | Board Mount (Cartridge Style Excluded) | |
| Breaking Capacity @ Rated Voltage | 50A | |
| Mounting Type | Surface Mount | |
| Size / Dimension | 0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm) | |
| Product Status | Active | |
| Series | NANO²® 451 | |
| Voltage Rating - DC | 125 V | |
| Package / Case | 2-SMD, Square End Block | |
| REACH Status | REACH Unaffected | |
| Voltage Rating - AC | 125 V | |
| Mfr | Littelfuse Inc. | |
| HTSUS | 8536.10.0040 | |
| Package | Tape & Reel (TR) | |
| RoHS Status | ROHS3 Compliant | |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
