| Part Number | SMD1206P050TFA | SMD1206P150TFA | 
|---|---|---|
| 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 | 40 A | 40 A | 
| Current - Hold (Ih) (Max) | 500 mA | 1.5 A | 
| Current - Trip (It) | 1 A | 3 A | 
| Time to Trip | 100 ms | 1 s | 
| Resistance - Initial (Ri) (Min) | 150 mOhms | 40 mOhms | 
| Resistance - Post Trip (R1) (Max) | 700 mOhms | 120 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) | 0.024" (0.60mm) | 0.039" (1.00mm) | 
| Lead Spacing | - | - |