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| Part Number | RXEF110K-AP | RXEF110-AP | 
|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | 
| Product Status | Active | Active | 
| Type | Polymeric | Polymeric | 
| Voltage - Max | 72V | 72V | 
| Current - Max | 40 A | 40 A | 
| Current - Hold (Ih) (Max) | 1.1 A | 1.1 A | 
| Current - Trip (It) | 2.2 A | 2.2 A | 
| Time to Trip | 8.2 s | 8.2 s | 
| Resistance - Initial (Ri) (Min) | 150 mOhms | 150 mOhms | 
| Resistance - Post Trip (R1) (Max) | 380 mOhms | 380 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 | 0.504" Dia x 0.118" T (12.80mm x 3.00mm) | 0.504" Dia x 0.118" T (12.80mm x 3.00mm) | 
| Height - Seated (Max) | 0.689" (17.50mm) | 0.689" (17.50mm) | 
| Thickness (Max) | - | - | 
| Lead Spacing | 0.199" (5.05mm) | 0.199" (5.05mm) |