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| Part Number | MF-LR450 | MF-LR550 | 
|---|---|---|
| Manufacturer | Bourns Inc. | Bourns Inc. | 
| Product Status | Active | Active | 
| Type | Polymeric | Polymeric | 
| Voltage - Max | 16V | 10V | 
| Current - Max | 100 A | 100 A | 
| Current - Hold (Ih) (Max) | 4.5 A | 5.5 A | 
| Current - Trip (It) | 8.9 A | 10.5 A | 
| Time to Trip | 5 s | 5 s | 
| Resistance - Initial (Ri) (Min) | 11 mOhms | 9 mOhms | 
| Resistance - Post Trip (R1) (Max) | 28 mOhms | 22 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 10.21mm) | 1.417" L x 0.283" W (36.00mm x 7.20mm) | 
| Height - Seated (Max) | - | - | 
| Thickness (Max) | 0.039" (1.00mm) | 0.039" (1.00mm) | 
| Lead Spacing | - | - |