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| Part Number | TSM250-130F-RA-2 | TS250-130F-RA-2 | 
|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | 
| Product Status | Active | Active | 
| Type | Polymeric | Polymeric | 
| Voltage - Max | 60V | 60V (600V Int) | 
| Current - Max | 3 A | 1 A | 
| Current - Hold (Ih) (Max) | 130 mA | 130 mA | 
| Current - Trip (It) | 260 mA | 260 mA | 
| Time to Trip | 2.4 s | 2.5 s | 
| Resistance - Initial (Ri) (Min) | 4 Ohms | 6.5 Ohms | 
| Resistance - Post Trip (R1) (Max) | 30 Ohms | 15 Ohms | 
| Resistance - 25°C (Typ) | 22 Ohms | - | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | 
| Ratings | - | - | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 4-SMD | 2-SMD | 
| Size / Dimension | 0.337" L x 0.323" W (8.55mm x 8.20mm) | 0.352" L x 0.291" W (8.95mm x 7.40mm) | 
| Height - Seated (Max) | - | - | 
| Thickness (Max) | 0.354" (9.00mm) | 0.134" (3.40mm) | 
| Lead Spacing | - | - |