| Part Number | RGEF300-1 | RGEF600-1 | 
|---|---|---|
| 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 | 16V | 
| Current - Max | 100 A | 100 A | 
| Current - Hold (Ih) (Max) | 3 A | 6 A | 
| Current - Trip (It) | 5.1 A | 10.2 A | 
| Time to Trip | 1 s | 3.3 s | 
| Resistance - Initial (Ri) (Min) | 38 mOhms | 10 mOhms | 
| Resistance - Post Trip (R1) (Max) | 97.5 mOhms | 28 mOhms | 
| Resistance - 25°C (Typ) | - | - | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | 
| Ratings | - | - | 
| Mounting Type | Through Hole | Through Hole | 
| Package / Case | Radial, Disc | Radial, Disc | 
| Size / Dimension | 0.260" L x 0.098" W (6.60mm x 2.50mm) | 0.402" L x 0.098" W (10.20mm x 2.50mm) | 
| Height - Seated (Max) | 0.433" (11.00mm) | 0.673" (17.10mm) | 
| Thickness (Max) | - | - | 
| Lead Spacing | 0.199" (5.05mm) | 0.199" (5.05mm) |