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| Part Number | PSX1XLDB0550X | PSX1XLUB0550X | PSX1XLDB0250X | PSX1XLDB0350X | PSX1XLDB0450X | PSX1XLDB0500X |
|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Product Status | Active | Active | Active | Active | Active | Active |
| Mounting Type | Bolt Mount | Bolt Mount | Bolt Mount | Bolt Mount | Bolt Mount | Bolt Mount |
| Fuse Type | Square | Square | Square | Square | Square | Square |
| Current Rating (Amps) | 550A | 550A | 250A | 350A | 450A | 500A |
| Voltage Rating - AC | - | - | - | - | - | - |
| Voltage Rating - DC | 1.5 kV | 1.5 kV | 1.5 kV | 1.5 kV | 1.5 kV | 1.5 kV |
| Response Time | Fast Blow | Fast Blow | Fast Blow | Fast Blow | Fast Blow | Fast Blow |
| Applications | Semiconductors | Semiconductors | Semiconductors | Semiconductors | Semiconductors | Semiconductors |
| Features | Indicating | Indicating | Indicating | Indicating | Indicating | Indicating |
| Class | - | - | - | - | - | - |
| Approval Agency | CE, cURus, UL | CE, cURus, UL | CE, cURus, UL | CE, cURus, UL | CE, cURus, UL | CE, cURus, UL |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C |
| Breaking Capacity @ Rated Voltage | 200kA | 200kA | 200kA | 200kA | 200kA | 200kA |
| Package / Case | Rectangular, Blade | Rectangular, Blade | Rectangular, Blade | Rectangular, Blade | Rectangular, Blade | Rectangular, Blade |
| Size / Dimension | 4.988" L x 2.028" W x 2.264" H (126.70mm x 51.50mm x 57.50mm) | 4.988" L x 2.028" W x 2.264" H (126.70mm x 51.50mm x 57.50mm) | 4.988" L x 2.028" W x 2.264" H (126.70mm x 51.50mm x 57.50mm) | 4.988" L x 2.028" W x 2.264" H (126.70mm x 51.50mm x 57.50mm) | 4.988" L x 2.028" W x 2.264" H (126.70mm x 51.50mm x 57.50mm) | 4.988" L x 2.028" W x 2.264" H (126.70mm x 51.50mm x 57.50mm) |
