Radial-leaded, through-hole mount resettable fuse with 2.5A hold current and 5A trip current. Features 60V operating voltage, 40A maximum current rating, and 2.5W power dissipation. Constructed with polymer and epoxy body material, it offers a resistance of 80mΩ and operates within a temperature range of -40°C to 85°C. Approvals include UL, CSA, and TUV.
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Bourns MF-RX250 technical specifications.
| Approvals | UL, CSA, TUV |
| Body Height | 26.4mm |
| Body Length | 21.3mm |
| Body Material | Polymer, Epoxy |
| Package/Case | Radial |
| Current Rating | 40A |
| Diameter | 21.3mm |
| Height | 26.4mm |
| Hold Current | 2.5A |
| Lead Diameter | 0.81mm |
| Lead Free | Lead Free |
| Lead Pitch | 10.2mm |
| Manufacturer Series | MF-RX |
| Max Current Rating | 40A |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Power Dissipation | 2.5W |
| Mount | Through Hole |
| Operating Supply Voltage | 60V |
| Package Quantity | 500 |
| Package Shape | Disk |
| Packaging | Bulk |
| Power Dissipation | 2.5W |
| Radiation Hardening | No |
| Reach SVHC Compliant | No |
| Resistance | 80mR |
| RoHS Compliant | Yes |
| Series | MF-RX |
| Terminal Finish | Tin |
| Terminal Placement | Radial |
| Termination | Radial |
| Thermistor Application | TEMPERATURE SENSING |
| Time to Trip | 15.6s |
| Trip Current | 5A |
| Voltage Rating | 60V |
| DC Rated Voltage | 60V |
| Wire/Cable Diameter | 0.81mm |
| RoHS | Compliant |
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