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| Part Number | 0251.500NRT1L | 0251001.NRT1L | 0251007.MRT1L | 0251005.NRT1L | 0251005.MXL |
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Package/Case | |||||
| Series | PICO® II 251 | PICO® II 251 | PICO® II 251 | PICO® II 251 | PICO® II 251 |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) | Bulk |
| Product Status | Active | Active | Active | Active | Active |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Fuse Type | Board Mount (Cartridge Style Excluded) | Board Mount (Cartridge Style Excluded) | Board Mount (Cartridge Style Excluded) | Board Mount (Cartridge Style Excluded) | Board Mount (Cartridge Style Excluded) |
| Current Rating (Amps) | 500 mA | 1 A | 7 A | 5 A | 5 A |
| Voltage Rating - AC | 125 V | 125 V | 125 V | 125 V | 125 V |
| Voltage Rating - DC | 125 V | 125 V | 125 V | 125 V | 125 V |
| Response Time | Fast Blow | Fast Blow | Fast Blow | Fast Blow | Fast Blow |
| Breaking Capacity @ Rated Voltage | 50A AC, 300A DC | 50A AC, 300A DC | 50A AC, 300A DC | 50A AC, 300A DC | 50A AC, 300A DC |
| Melting I²t | 0.0598 | 0.256 | 10.4 | 4.14 | 4.14 |
| Approval Agency | CCC, CSA, cURus, TUV | CCC, CSA, cURus, PSE, TUV | CSA, cURus, TUV | CCC, CSA, cURus, PSE, TUV | CCC, CSA, cURus, PSE, TUV |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C |
| Color | - | - | - | - | - |
| Size / Dimension | 0.110" Dia x 0.280" L (2.80mm x 7.11mm) | 0.110" Dia x 0.280" L (2.80mm x 7.11mm) | 0.125" Dia x 0.280" L (3.18mm x 7.10mm) | 0.125" Dia x 0.280" L (3.18mm x 7.10mm) | 0.125" Dia x 0.280" L (3.18mm x 7.10mm) |
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