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| Part Number | 1812L370SLPR | 1812L270SLPR | 1812L300SLPR | 1812L350SLPR |
|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Product Status | Active | Discontinued at Digi-Key | Active | Active |
| Type | Polymeric | Polymeric | Polymeric | Polymeric |
| Voltage - Max | 6V | 6V | 6V | 6V |
| Current - Max | 50 A | 50 A | 50 A | 50 A |
| Current - Hold (Ih) (Max) | 3.7 A | 2.7 A | 3 A | 3.5 A |
| Current - Trip (It) | 9.1 A | 6.2 A | 7 A | 8.1 A |
| Time to Trip | 2 s | 2 s | 5 s | 5 s |
| Resistance - Initial (Ri) (Min) | 3 mOhms | 3 mOhms | 3 mOhms | 3 mOhms |
| Resistance - Post Trip (R1) (Max) | 18 mOhms | 22 mOhms | 21 mOhms | 20 mOhms |
| Resistance - 25°C (Typ) | - | - | - | - |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Ratings | - | - | - | - |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 1812 (4532 Metric), Concave | 1812 (4532 Metric), Concave | 1812 (4532 Metric), Concave | 1812 (4532 Metric), Concave |
| Size / Dimension | 0.179" L x 0.128" W (4.55mm x 3.24mm) | 0.179" L x 0.128" W (4.55mm x 3.24mm) | 0.179" L x 0.128" W (4.55mm x 3.24mm) | 0.179" L x 0.128" W (4.55mm x 3.24mm) |
| Height - Seated (Max) | - | - | - | - |
| Thickness (Max) | 0.028" (0.70mm) | 0.028" (0.70mm) | 0.030" (0.75mm) | 0.028" (0.70mm) |
| Lead Spacing | - | - | - | - |
