| Part Number | PSR071UL0550Z | PSR071DL0550Z | 
|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | 
| Category | Electrical, Specialty Fuses | Electrical, Specialty Fuses | 
|   |   | |
| Product Status | Active | Active | 
| Mounting Type | Bolt Mount | Bolt Mount | 
| Fuse Type | Square | Square | 
| Current Rating (Amps) | 550A | 550A | 
| Voltage Rating - AC | 1.2 kV | 1.2 kV | 
| Voltage Rating - DC | 900 V | 900 V | 
| Response Time | Fast Blow | Fast Blow | 
| Applications | Semiconductors | Semiconductors | 
| Features | Indicating | Indicating | 
| Class | - | - | 
| Approval Agency | CE, cURus, UL | CE, cURus, UL | 
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C | 
| Breaking Capacity @ Rated Voltage | 100kA AC, 150kA DC | 100kA AC, 150kA DC | 
| Package / Case | Rectangular, Blade | Rectangular, Blade | 
| Size / Dimension | 2.882" L x 2.028" W x 2.264" H (73.20mm x 51.50mm x 57.50mm) | 2.882" L x 2.028" W x 2.264" H (73.20mm x 51.50mm x 57.50mm) |