Radial leaded, through-hole mount resettable fuse designed for circuit protection. Features a 4A hold current and 8A trip current, with a maximum operating voltage of 30V. Offers a 40A maximum current rating and 2.5W power dissipation. Constructed with a polymer and epoxy body, it operates within a temperature range of -40°C to 85°C and is UL, CSA, and TUV approved. Compliant with RoHS standards.
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Bourns MF-R400 technical specifications.
| Approvals | UL, CSA, TUV |
| Body Height | 24.8mm |
| Body Length | 14.4mm |
| Body Material | Polymer, Epoxy |
| Package/Case | Radial |
| Current Rating | 40A |
| Flammability Rating | UL94 V-0 |
| Height | 24.8mm |
| Hold Current | 4A |
| Lead Diameter | 0.81mm |
| Lead Free | Lead Free |
| Lead Length | 7.6mm |
| Lead Pitch | 5.1mm |
| Length | 14.4mm |
| Manufacturer Series | MF-R |
| Max Current Rating | 40A |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Power Dissipation | 2.5W |
| Mount | Through Hole, PCB |
| Operating Supply Voltage | 30V |
| Package Quantity | 500 |
| Package Shape | Rectangular |
| Packaging | Bulk |
| Power Dissipation | 2.5W |
| Radiation Hardening | No |
| Reach SVHC Compliant | No |
| Resistance | 30mR |
| RoHS Compliant | Yes |
| Series | MF-R |
| Terminal Finish | Copper |
| Terminal Placement | Radial |
| Termination | Radial |
| Thermistor Application | TEMPERATURE SENSING |
| Thickness | 3mm |
| Time to Trip | 12.7s |
| Trip Current | 8A |
| Voltage Rating | 30V |
| DC Rated Voltage | 30V |
| Width | 14mm |
| Wire/Cable Diameter | 0.81mm |
| RoHS | Compliant |
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