| PartNumber | MF-RX300/72-AP | MF-RX300/72-2 | MF-RX300/72-0 |
| Description | Resettable Fuses - PPTC 3A 72V 0.04ohm Hold 3 Trip 6 | Resettable Fuses - PPTC 3A 72V 0.04ohm Hold 3 Trip 6 | Resettable Fuses - PPTC 3A 72V 0.04ohm Hold 3 Trip 6 |
| Manufacturer | Bourns | Bourns Inc. | Bourns Inc. |
| Product Category | Resettable Fuses - PPTC | PTC Resettable Fuses | PTC Resettable Fuses |
| RoHS | Y | - | - |
| Series | MF-RX/72 | MF-RX/72 | MF-RX/72 |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Termination Style | Radial | Radial | Radial |
| Hold Current | 3 A | 3 A | 3 A |
| Maximum Voltage | 72 VDC | 72 VDC | 72 VDC |
| Trip Current | 6 A | 6 A | 6 A |
| Current Rating Max | 40 A | - | - |
| Resistance | 60 mOhms | 0.06 Ohms | 0.06 Ohms |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Lead Spacing | 10.2 mm | 10.2 mm | 10.2 mm |
| Packaging | Ammo Pack | Cut Tape (CT) Alternate Packaging | Bulk Alternate Packaging |
| Diameter | 20.67 mm | 20.67 mm | 20.67 mm |
| Height | 26.67 mm | 26.67 mm | 3.1 mm |
| Length | 20.67 mm | 20.67 mm | 26.7 mm |
| Type | PTC Resettable Fuses | PTC Resettable Fuses | PTC Resettable Fuses |
| Width | 3.1 mm | 3.1 mm | 20.67 mm |
| Brand | Bourns | - | - |
| Pd Power Dissipation | 2.8 W | - | - |
| Product Type | Resettable Fuses - PPTC | - | - |
| Factory Pack Quantity | 3000 | - | - |
| Subcategory | PPTC Resettable Fuses | - | - |
| Tradename | Multifuse | Multifuse | Multifuse |
| Unit Weight | 0.015168 oz | - | - |
| Operating Temperature Range | - | - 40 C to + 85 C | - 40 C to + 85 C |
| Package Case | - | Radial, Disc | Radial, Disc |
| Current Max | - | 40A | 40A |
| Current Hold Ih Max | - | 3A | 3A |
| Voltage Max | - | 72V | 72V |
| Current Trip It | - | 6A | 6A |
| R Min Max | - | 0.040 ~ 0.060 Ohm | 0.040 ~ 0.060 Ohm |
| Time to Trip | - | 19.8s | 19.8s |
| Current Rating Max | - | 40 A | 40 A |
| Pd Power Dissipation | - | 2.8 W | 2.8 W |