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| Part Number | PSR071UL0550Z | PSR071DL0550Z | PSR071FL0550Z | PSR071UL0250Z | PSR071UL0350Z | PSR071UL0450Z | PSR071UL0500Z |
|---|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Product Status | Active | Active | Active | Active | Active | Active | Active |
| Mounting Type | Bolt Mount | Bolt Mount | Holder | Bolt Mount | Bolt Mount | Bolt Mount | Bolt Mount |
| Fuse Type | Square | Square | Square | Square | Square | Square | Square |
| Current Rating (Amps) | 550A | 550A | 550A | 250A | 350A | 450A | 500A |
| Voltage Rating - AC | 1.2 kV | 1.2 kV | 1.2 kV | 1.3 kV | 1.3 kV | 1.3 kV | 1.2 kV |
| Voltage Rating - DC | 900 V | 900 V | 900 V | 1 kV | 1 kV | 1 kV | 900 V |
| Response Time | Fast Blow | Fast Blow | Fast Blow | Fast Blow | Fast Blow | Fast Blow | Fast Blow |
| Applications | Semiconductors | Semiconductors | Semiconductors | Semiconductors | Semiconductors | Semiconductors | Semiconductors |
| Features | Indicating | 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 | 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 | -55°C ~ 125°C |
| Breaking Capacity @ Rated Voltage | 100kA AC, 150kA DC | 100kA AC, 150kA DC | 100kA AC, 150kA DC | 100kA AC, 150kA DC | 100kA AC, 150kA DC | 100kA AC, 150kA DC | 100kA AC, 150kA DC |
| Package / Case | Rectangular, Blade | Rectangular, Blade | 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) | 2.913" L x 2.028" W x 2.264" H (74.00mm x 51.50mm x 57.50mm) | 2.843" L x 2.028" W x 2.264" H (72.20mm x 51.50mm x 57.50mm) | 2.843" L x 2.028" W x 2.264" H (72.20mm x 51.50mm x 57.50mm) | 2.843" L x 2.028" W x 2.264" H (72.20mm 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) |
