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| Part Number | RXE050 | RXEF050 | RXE090 | RXE250 | RXE010 | RXE020 | RXE030 | RXE040 |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Product Status | Obsolete | Active | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Type | Polymeric | Polymeric | Polymeric | Polymeric | Polymeric | Polymeric | Polymeric | Polymeric |
| Voltage - Max | 72V | 72V | 72V | 72V | 60V | 72V | 72V | 72V |
| Current - Max | 40 A | 40 A | 40 A | 40 A | 40 A | 40 A | 40 A | 40 A |
| Current - Hold (Ih) (Max) | 500 mA | 500 mA | 900 mA | 2.5 A | 100 mA | 200 mA | 300 mA | 400 mA |
| Current - Trip (It) | 1 A | 1 A | 1.8 A | 5 A | 200 mA | 400 mA | 600 mA | 800 mA |
| Time to Trip | 4 s | 4 s | 7.2 s | 15.6 s | 4 s | 2.2 s | 3 s | 3.8 s |
| Resistance - Initial (Ri) (Min) | 500 mOhms | 500 mOhms | 200 mOhms | 50 mOhms | 2.5 Ohms | 1.83 Ohms | 880 mOhms | 550 mOhms |
| Resistance - Post Trip (R1) (Max) | 1.17 Ohms | 1.17 Ohms | 470 mOhms | 130 mOhms | 7.5 Ohms | 4.4 Ohms | 2.1 Ohms | 1.29 Ohms |
| Resistance - 25°C (Typ) | - | - | - | - | - | - | - | - |
| Operating Temperature | - | -40°C ~ 85°C | - | - | - | - | - | - |
| Ratings | - | - | - | - | - | - | - | - |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Package / Case | Radial, Disc | Radial, Disc | Radial, Disc | Radial, Disc | Radial, Disc | Radial, Disc | Radial, Disc | Radial, Disc |
| Size / Dimension | 0.311" Dia x 0.118" T (7.90mm x 3.00mm) | 0.311" Dia x 0.118" T (7.90mm x 3.00mm) | 0.441" Dia x 0.118" T (11.20mm x 3.00mm) | 0.819" Dia x 0.118" T (20.80mm x 3.00mm) | 0.291" Dia x 0.118" T (7.40mm x 3.00mm) | 0.291" Dia x 0.118" T (7.40mm x 3.00mm) | 0.291" Dia x 0.118" T (7.40mm x 3.00mm) | 0.299" Dia x 0.118" T (7.60mm x 3.00mm) |
| Height - Seated (Max) | 0.539" (13.70mm) | 0.539" (13.70mm) | 0.622" (15.80mm) | 1.000" (25.40mm) | 0.457" (11.60mm) | 0.461" (11.70mm) | 0.500" (12.70mm) | 0.532" (13.50mm) |
| Thickness (Max) | - | - | - | - | - | - | - | - |
| Lead Spacing | 0.199" (5.05mm) | 0.199" (5.05mm) | 0.199" (5.05mm) | 0.400" (10.15mm) | 0.199" (5.05mm) | 0.199" (5.05mm) | 0.199" (5.05mm) | 0.199" (5.05mm) |
