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| Part Number | RUE400 | RUEF400 | RUE500 |
|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Product Status | Obsolete | Active | Obsolete |
| Type | Polymeric | Polymeric | Polymeric |
| Voltage - Max | 30V | 30V | 30V |
| Current - Max | 40 A | 100 A | 40 A |
| Current - Hold (Ih) (Max) | 4 A | 4 A | 5 A |
| Current - Trip (It) | 8 A | 8 A | 10 A |
| Time to Trip | 12.7 s | 12.7 s | 14.5 s |
| Resistance - Initial (Ri) (Min) | 10 mOhms | 10 mOhms | 10 mOhms |
| Resistance - Post Trip (R1) (Max) | 50 mOhms | 50 mOhms | 50 mOhms |
| Resistance - 25°C (Typ) | - | - | - |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Ratings | - | - | - |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Package / Case | Radial, Disc | Radial, Disc | Radial, Disc |
| Size / Dimension | 0.551" L x 0.120" W (14.00mm x 3.00mm) | 0.551" L x 0.118" W (14.00mm x 3.00mm) | 0.551" L x 0.120" W (14.00mm x 3.00mm) |
| Height - Seated (Max) | 0.831" (21.10mm) | 0.760" (19.30mm) | 0.980" (24.90mm) |
| Thickness (Max) | - | - | - |
| Lead Spacing | 0.201" (5.10mm) | 0.199" (5.05mm) | 0.402" (10.20mm) |
