| Part Number | 1206L380SLWR | 1206L300SLWR | 
|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | 
| Category | PTC Resettable Fuses | PTC Resettable Fuses | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Type | Polymeric | Polymeric | 
| Voltage - Max | 6V | 6V | 
| Current - Max | 50 A | 50 A | 
| Current - Hold (Ih) (Max) | 3.8 A | 3 A | 
| Current - Trip (It) | 8 A | 6 A | 
| Time to Trip | 3 s | 4 s | 
| Resistance - Initial (Ri) (Min) | 2 MOhms | 3 mOhms | 
| Resistance - Post Trip (R1) (Max) | 16 mOhms | 20 mOhms | 
| Resistance - 25°C (Typ) | - | - | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | 
| Ratings | - | - | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 1206 (3216 Metric), Concave | 1206 (3216 Metric), Concave | 
| Size / Dimension | 0.128" L x 0.065" W (3.25mm x 1.65mm) | 0.128" L x 0.065" W (3.25mm x 1.65mm) | 
| Height - Seated (Max) | - | - | 
| Thickness (Max) | 0.028" (0.70mm) | 0.039" (1.00mm) | 
| Lead Spacing | - | - |