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| PartNumber | 72R300XMR | 72R300XF | 72R300 |
| Description | Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V 3A | Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V 3A | |
| Manufacturer | Littelfuse | - | Littelfuse Inc. |
| Product Category | Resettable Fuses - PPTC | - | PTC Resettable Fuses |
| RoHS | Y | - | - |
| Series | 72R | - | POLYFUSER 72R |
| Mounting Style | Through Hole | - | Through Hole |
| Termination Style | Radial | - | Radial |
| Hold Current | 3 A | - | 3 A |
| Maximum Voltage | 72 V | - | 72 VDC |
| Trip Current | 6 A | - | 6 A |
| Current Rating Max | 40 A | - | - |
| Resistance | 100 mOhms | - | 0.1 Ohms |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Lead Spacing | 10.2 mm | - | 10.2 mm |
| Packaging | Ammo Pack | - | Bulk Alternate Packaging |
| Diameter | 23.11 mm | - | 23.11 mm |
| Height | 3.1 mm | - | 3.1 mm |
| Length | 29.3 mm | - | 29.3 mm |
| Type | PolyFuse Resettable PTC | - | PolyFuse Resettable PTC |
| Brand | Littelfuse | - | - |
| Pd Power Dissipation | 2.8 W | - | - |
| Product Type | Resettable Fuses - PPTC | - | - |
| Factory Pack Quantity | 1000 | - | - |
| Subcategory | PPTC Resettable Fuses | - | - |
| Tradename | POLYFUSE | - | - |
| Unit Weight | 0.071430 oz | - | - |
| Operating Temperature Range | - | - | - 40 C to + 85 C |
| Package Case | - | - | Radial, Disc |
| Current Max | - | - | 40A |
| Current Hold Ih Max | - | - | 3A |
| Voltage Max | - | - | 72V |
| Current Trip It | - | - | 6A |
| R Min Max | - | - | 0.040 ~ 0.100 Ohm |
| Time to Trip | - | - | 19.8s |
| Current Rating Max | - | - | 40 A |
| Pd Power Dissipation | - | - | 2.8 W |
