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| Part Number | 20LR450U | 20LR450SU |
|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. |
| Product Status | Obsolete | Obsolete |
| Type | Polymeric | Polymeric |
| Voltage - Max | 20V | 20V |
| Current - Max | 100 A | 100 A |
| Current - Hold (Ih) (Max) | 4.5 A | 4.5 A |
| Current - Trip (It) | 8.9 A | 8.9 A |
| Time to Trip | 5 s | 5 s |
| Resistance - Initial (Ri) (Min) | 11 mOhms | 11 mOhms |
| Resistance - Post Trip (R1) (Max) | 28 mOhms | 28 mOhms |
| Resistance - 25°C (Typ) | - | - |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Ratings | - | - |
| Mounting Type | User Defined | User Defined |
| Package / Case | Strap | Strap |
| Size / Dimension | 0.984" L x 0.402" W (25.00mm x 10.20mm) | 0.984" L x 0.402" W (25.00mm x 10.20mm) |
| Height - Seated (Max) | - | - |
| Thickness (Max) | 0.039" (1.00mm) | 0.039" (1.00mm) |
| Lead Spacing | - | - |
