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| PartNumber | P4KE550-E3/54 | P4KE550 | P4KE550-B |
| Description | TVS Diodes / ESD Suppressors 400W 550V Unidirect | TVS Diodes / ESD Suppressors 467Vso 522.5Vbr | ESD Suppressors / TVS Diodes TVS DIODE AXIAL LEAD |
| Manufacturer | Vishay | Littelfuse | Littelfuse |
| Product Category | TVS Diodes / ESD Suppressors | TVS Diodes / ESD Suppressors | ESD Suppressors / TVS Diodes |
| RoHS | E | Y | Y |
| Series | P4KE | P4KE | P4KE |
| Product Type | TVS Diodes | TVS Diodes | TVS Diodes |
| Vesd Voltage ESD Contact | - | - | - |
| Vesd Voltage ESD Air Gap | - | - | - |
| Polarity | Unidirectional | Unidirectional | Unidirectional |
| Termination Style | Axial | Axial | Axial |
| Breakdown Voltage | 550 V | 605 V | 605 V |
| Working Voltage | 495 V | 495 V | 467 V |
| Clamping Voltage | 660 V | 798 V | 798 V |
| Package / Case | DO-204AL-2 (DO-41) | DO-41-2 | DO-41-2 |
| Pppm Peak Pulse Power Dissipation | 400 W | 400 W | 400 W |
| Minimum Operating Temperature | - 55 C | - 55 C | - 55 C |
| Maximum Operating Temperature | + 175 C | + 175 C | + 175 C |
| Packaging | Reel | Reel | Bulk |
| Brand | Vishay Semiconductors | Littelfuse | Littelfuse |
| Factory Pack Quantity | 5500 | 5000 | 500 |
| Subcategory | TVS Diodes / ESD Suppression Diodes | TVS Diodes / ESD Suppression Diodes | TVS Diodes / ESD Suppression Diodes |
| Tradename | TransZorb | - | - |
| Unit Weight | 0.012522 oz | 0.010582 oz | 0.010582 oz |
| Ipp Peak Pulse Current | - | 500 mA | 500 mA |