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| Part Number | RUSB090 | RUSBF090 |
|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. |
| Product Status | Obsolete | Active |
| Type | Polymeric | Polymeric |
| Voltage - Max | 16V | 16V |
| Current - Max | 40 A | 40 A |
| Current - Hold (Ih) (Max) | 900 mA | 900 mA |
| Current - Trip (It) | 1.8 A | 1.8 A |
| Time to Trip | 1.2 s | 1.2 s |
| Resistance - Initial (Ri) (Min) | 70 mOhms | 70 mOhms |
| Resistance - Post Trip (R1) (Max) | 180 mOhms | 180 mOhms |
| Resistance - 25°C (Typ) | - | - |
| Operating Temperature | - | -40°C ~ 85°C |
| Ratings | - | - |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | Radial, Disc | Radial, Disc |
| Size / Dimension | 0.291" L x 0.118" W (7.40mm x 3.00mm) | 0.291" Dia x 0.122" T (7.40mm x 3.10mm) |
| Height - Seated (Max) | 0.480" (12.20mm) | 0.480" (12.20mm) |
| Thickness (Max) | - | - |
| Lead Spacing | 0.199" (5.05mm) | 0.199" (5.05mm) |
