 | |  | |
| PartNumber | 20LR450U | 20LR550SU | 20LR450SU |
| Description | Resettable Fuses - PPTC PTC 20V POLYFUSE STRAP TYPE 4.5A | Resettable Fuses - PPTC 20V STRAP TYPE 5.50A POLYFUSE | Resettable Fuses - PPTC 20V STRAP TYPE 4.50A POLYFUSE |
| Manufacturer | Littelfuse | Littelfuse | - |
| Product Category | Resettable Fuses - PPTC | Resettable Fuses - PPTC | - |
| RoHS | Y | Y | - |
| Series | LR | LR | - |
| Mounting Style | Strap | Strap | - |
| Termination Style | Axial | Axial | - |
| Maximum Voltage | 20 V | 20 V | - |
| Current Rating Max | 100 A | 100 A | - |
| Packaging | Bulk | Bulk | - |
| Type | PolyFuse Resettable PTC | PolyFuse Resettable PTC | - |
| Brand | Littelfuse | Littelfuse | - |
| Product Type | Resettable Fuses - PPTC | Resettable Fuses - PPTC | - |
| Factory Pack Quantity | 500 | 500 | - |
| Subcategory | PPTC Resettable Fuses | PPTC Resettable Fuses | - |
| Tradename | PolySwitch | PolySwitch | - |
| Hold Current | - | 5.5 A | - |
| Trip Current | - | 10.5 A | - |
| Resistance | - | 22 mOhms | - |
| Minimum Operating Temperature | - | - 40 C | - |
| Maximum Operating Temperature | - | + 85 C | - |
| Length | - | 35 mm | - |
| Width | - | 6.9 mm | - |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Littelfuse |
20LR450U | Resettable Fuses - PPTC PTC 20V POLYFUSE STRAP TYPE 4.5A | |
| 20LR550SU | Resettable Fuses - PPTC 20V STRAP TYPE 5.50A POLYFUSE | ||
| 20LR730SU | Resettable Fuses - PPTC 20V STRAP TYPE 7.30A POLYFUSE | ||
| 20LR730SU | Resettable Fuses - PPTC 20V STRAP TYPE 7.30A POLYFUSE | ||
| 20LR730U | Resettable Fuses - PPTC PTC 20V POLYFUSE STRAP TYPE 7.30A | ||
| 20LR600SU | Resettable Fuses - PPTC 20V STRAP TYPE 6.00A POLYFUSE | ||
| 20LR550SU | Resettable Fuses - PPTC 20V STRAP TYPE 5.50A POLYFUSE | ||
| 20LR450SU | Resettable Fuses - PPTC 20V STRAP TYPE 4.50A POLYFUSE | ||
| 20LR450U | Resettable Fuses - PPTC PTC 20V POLYFUSE STRAP TYPE 4.5A | ||
| 20LR550U | New and Original |