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| Part Number | SMD125F-2 | SMD185F-2 | SMD125-2 |
|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Product Status | Active | Active | Obsolete |
| Type | Polymeric | Polymeric | Polymeric |
| Voltage - Max | 15V | 33V | 15V |
| Current - Max | 40 A | 40 A | 40 A |
| Current - Hold (Ih) (Max) | 1.25 A | 1.85 A | 1.25 A |
| Current - Trip (It) | 2.5 A | 3.6 A | 2.5 A |
| Time to Trip | 2 s | 5 s | 2 s |
| Resistance - Initial (Ri) (Min) | 70 mOhms | 65 mOhms | 70 mOhms |
| Resistance - Post Trip (R1) (Max) | - | 165 mOhms | - |
| Resistance - 25°C (Typ) | - | - | - |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Ratings | - | - | - |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 2-SMD | 2-SMD | 2920 (7351 Metric) |
| Size / Dimension | 0.290" L x 0.202" W (7.36mm x 5.12mm) | 0.343" L x 0.250" W (8.70mm x 6.36mm) | 0.290" L x 0.202" W (7.36mm x 5.12mm) |
| Height - Seated (Max) | - | - | - |
| Thickness (Max) | 0.118" (3.00mm) | 0.118" (3.00mm) | 0.118" (3.00mm) |
| Lead Spacing | - | - | - |
