Radial PTC resettable fuse with 3A hold current and 6A trip current, rated for 30V DC. Features 2W power dissipation, 40A maximum current, and 10.8s time to trip. UL, CSA, and TUV approved, RoHS compliant, and lead-free. Dimensions are 12mm length, 3mm thickness, and 18.3mm height with 5.1mm lead pitch.
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Bourns MF-R300 technical specifications.
| Approvals | UL, CSA, TUV |
| Body Height | 18.3mm |
| Body Length | 12mm |
| Body Material | Polymer, Epoxy |
| Package/Case | Radial |
| Current Rating | 40A |
| Flammability Rating | UL94 V-0 |
| Height | 18.3mm |
| Hold Current | 3A |
| Lead Diameter | 0.81mm |
| Lead Free | Lead Free |
| Lead Length | 7.6mm |
| Lead Pitch | 5.1mm |
| Length | 12mm |
| Manufacturer Series | MF-R |
| Max Current Rating | 40A |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Power Dissipation | 2W |
| Mount | Through Hole, PCB |
| Operating Supply Voltage | 30V |
| Package Quantity | 500 |
| Package Shape | Rectangular |
| Packaging | Bulk |
| Power Dissipation | 2W |
| Radiation Hardening | No |
| Reach SVHC Compliant | No |
| Resistance | 50mR |
| RoHS Compliant | Yes |
| Series | MF-R |
| Terminal Finish | Copper |
| Terminal Placement | Radial |
| Termination | Radial |
| Thermistor Application | TEMPERATURE SENSING |
| Thickness | 3mm |
| Time to Trip | 10.8s |
| Trip Current | 6A |
| Voltage Rating | 30V |
| DC Rated Voltage | 30V |
| Width | 12mm |
| Wire/Cable Diameter | 0.81mm |
| RoHS | Compliant |
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