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| Part Number | SMD300-2 | SMD300F-2 | SMD100-2 | SMD200-2 |
|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Product Status | Obsolete | Active | Obsolete | Obsolete |
| Type | Polymeric | Polymeric | Polymeric | Polymeric |
| Voltage - Max | 6V | 6V | 30V | 15V |
| Current - Max | 40 A | 40 A | 40 A | 40 A |
| Current - Hold (Ih) (Max) | 3 A | 3 A | 1.1 A | 2 A |
| Current - Trip (It) | 6 A | 6 A | 2.2 A | 4 A |
| Time to Trip | 35 s | 35 s | 500 ms | 12 s |
| Resistance - Initial (Ri) (Min) | 15 mOhms | 15 mOhms | 120 mOhms | 50 mOhms |
| Resistance - Post Trip (R1) (Max) | 48 mOhms | 48 mOhms | 480 mOhms | 125 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 | 2920 (7351 Metric) | 2-SMD | 2920 (7351 Metric) | 2-SMD |
| Size / Dimension | 0.290" L x 0.202" W (7.36mm x 5.12mm) | 0.290" L x 0.202" W (7.36mm x 5.12mm) | 0.200" L x 0.180" W (5.08mm x 4.58mm) | 0.343" L x 0.250" W (8.70mm x 6.36mm) |
| Height - Seated (Max) | - | - | - | - |
| Thickness (Max) | 0.118" (3.00mm) | 0.118" (3.00mm) | 0.060" (1.52mm) | 0.118" (3.00mm) |
| Lead Spacing | - | - | - | - |
