Radial PTC resettable fuse offering 250mA hold current and 500mA trip current. Features a 60V DC voltage rating, 40A maximum interrupt current, and 0.45W power dissipation. This component has a resistance of 1.95 Ohms and a time to trip of 2.5 seconds. Constructed with a polymer and epoxy body, it is UL94 V-0 flammability rated and operates within a temperature range of -40°C to 85°C. Suitable for through-hole PCB mounting, it is lead-free and RoHS compliant.
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Bourns MF-R025 technical specifications.
| Approvals | UL, CSA, TUV |
| Body Height | 12.7mm |
| Body Length | 7.4mm |
| Body Material | Polymer, Epoxy |
| Package/Case | Radial |
| Current Rating | 40A |
| Diameter | 7.4mm |
| Flammability Rating | UL94 V-0 |
| Height | 12.7mm |
| Hold Current | 250mA |
| Lead Diameter | 0.51mm |
| Lead Free | Lead Free |
| Lead Length | 7.6mm |
| Lead Pitch | 5.1mm |
| Max Current Rating | 40A |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Mount | Through Hole, PCB |
| Operating Supply Voltage | 60V |
| Package Quantity | 500 |
| Packaging | Bulk |
| Power Dissipation | 450mW |
| Radiation Hardening | No |
| Reach SVHC Compliant | No |
| Resistance | 1.95R |
| RoHS Compliant | Yes |
| Series | MF-R |
| Termination | Radial |
| Time to Trip | 2.5s |
| Trip Current | 500mA |
| Voltage Rating | 60V |
| DC Rated Voltage | 60V |
| Width | 7.4mm |
| Wire/Cable Diameter | 0.51mm |
| RoHS | Compliant |
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