| Part Number | RHEF200-2 | RHEF100-2 |
|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. |
| Category | PTC Resettable Fuses | PTC Resettable Fuses |
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| Product Status | Active | Active |
| Type | Polymeric | Polymeric |
| Voltage - Max | 16V | 30V |
| Current - Max | 100 A | 40 A |
| Current - Hold (Ih) (Max) | 2 A | 1 A |
| Current - Trip (It) | 3.8 A | 1.8 A |
| Time to Trip | 4.3 s | 5.2 s |
| Resistance - Initial (Ri) (Min) | 45 mOhms | 180 mOhms |
| Resistance - Post Trip (R1) (Max) | 110 mOhms | 430 mOhms |
| Resistance - 25°C (Typ) | - | - |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C |
| Ratings | - | - |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | Radial, Disc | Radial, Disc |
| Size / Dimension | 0.370" Dia x 0.122" T (9.40mm x 3.10mm) | 0.382" Dia x 0.118" T (9.70mm x 3.00mm) |
| Height - Seated (Max) | 0.567" (14.40mm) | 0.535" (13.60mm) |
| Thickness (Max) | - | - |
| Lead Spacing | 0.199" (5.05mm) | 0.199" (5.05mm) |