| PartNumber | MF-RX300-2 | MF-RX300 | MF-RX300-005 |
| Description | Resettable Fuses - PPTC 3A 60V 0.04ohm Hold 3A Trip 6Amps | Resettable Fuses - PPTC 60Volt 40Amps Hold 3A Trip 6Amps | Resettable Fuses - PPTC 3A 60V 0.04ohm Hold 3A Trip 6Amps |
| Manufacturer | Bourns | Bourns | Bourns Inc. |
| Product Category | Resettable Fuses - PPTC | Resettable Fuses - PPTC | PTC Resettable Fuses |
| RoHS | N | N | - |
| Series | MF-RX | MF-RX | MF-RX |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Termination Style | Radial | Radial | Radial |
| Hold Current | 3 A | 3 A | 3 A |
| Maximum Voltage | 60 VDC | 60 VDC | 60 VDC |
| Trip Current | 6 A | 6 A | 6 A |
| Current Rating Max | 40 A | 40 A | - |
| Resistance | 60 mOhms | 60 mOhms | 0.06 Ohms |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Lead Spacing | 10.2 mm | 10.2 mm | 10.2 mm |
| Packaging | Reel | Bulk | Bulk |
| Diameter | 24.9 mm | 24.9 mm | 24.9 mm |
| Height | 30 mm | 3.1 mm | 30 mm |
| Length | 24.9 mm | 30 mm | 24.9 mm |
| Type | PTC Resettable Fuses | PTC Resettable Fuses | PTC Resettable Fuses |
| Width | 3.1 mm | 3.1 mm | 3.1 mm |
| Brand | Bourns | Bourns | - |
| Pd Power Dissipation | 2.8 W | 2.8 W | - |
| Product Type | Resettable Fuses - PPTC | Resettable Fuses - PPTC | - |
| Factory Pack Quantity | 3000 | 3000 | - |
| Subcategory | PPTC Resettable Fuses | PPTC Resettable Fuses | - |
| Tradename | Multifuse | Multifuse | Multifuse |
| Unit Weight | 0.081130 oz | 0.060671 oz | - |
| Operating Temperature Range | - | - | - 40 C to + 85 C |
| Package Case | - | - | Radial, Disc |
| Current Max | - | - | 40A |
| Current Hold Ih Max | - | - | 3A |
| Voltage Max | - | - | 60V |
| Current Trip It | - | - | 6A |
| R Min Max | - | - | 0.040 ~ 0.060 Ohm |
| Time to Trip | - | - | 19.8s |
| Current Rating Max | - | - | 40 A |
| Pd Power Dissipation | - | - | 2.8 W |