| Part Number | 1210L110/16WR | 1210L150/16WR | 
|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | 
| Category | PTC Resettable Fuses | PTC Resettable Fuses | 
|   |   | |
| Product Status | Active | Active | 
| Type | Polymeric | Polymeric | 
| Voltage - Max | 16V | 16V | 
| Current - Max | 100 A | 100 A | 
| Current - Hold (Ih) (Max) | 1.1 A | 1.5 A | 
| Current - Trip (It) | 2.2 A | 3 A | 
| Time to Trip | 100 ms | 300 ms | 
| Resistance - Initial (Ri) (Min) | 60 mOhms | 40 mOhms | 
| Resistance - Post Trip (R1) (Max) | 210 mOhms | 110 mOhms | 
| Resistance - 25°C (Typ) | - | - | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | 
| Ratings | - | - | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 1210 (3225 Metric), Concave | 1210 (3225 Metric), Concave | 
| Size / Dimension | 0.127" L x 0.102" W (3.22mm x 2.58mm) | 0.127" L x 0.102" W (3.22mm x 2.58mm) | 
| Height - Seated (Max) | - | - | 
| Thickness (Max) | 0.049" (1.25mm) | 0.042" (1.07mm) | 
| Lead Spacing | - | - |