| PartNumber | P4SMA550A | P4SMA550 | P4SMA550C |
| Description | TVS Diodes / ESD Suppressors 495V 400W 5% Uni-directional | TVS Diodes / ESD Suppressors 495V 400W 10% Uni-directional | TVS Diodes / ESD Suppressors 495V 400W 10% Bi-directional |
| Manufacturer | Littelfuse | Littelfuse | Littelfuse |
| Product Category | TVS Diodes / ESD Suppressors | TVS Diodes / ESD Suppressors | TVS Diodes / ESD Suppressors |
| RoHS | Y | Y | Y |
| Series | P4SMA | P4SMA | P4SMA |
| Product Type | TVS Diodes | TVS Diodes | TVS Diodes |
| Vesd Voltage ESD Contact | - | - | - |
| Vesd Voltage ESD Air Gap | - | - | - |
| Polarity | Unidirectional | Unidirectional | Bidirectional |
| Termination Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Breakdown Voltage | 577.5 V | 605 V | 605 V |
| Working Voltage | 495 V | 495 V | 495 V |
| Clamping Voltage | 760 V | 798 V | 798 V |
| Ipp Peak Pulse Current | 500 mA | 500 mA | 500 mA |
| Package / Case | DO-214AC-2 (SMA) | DO-214AC-2 (SMA) | DO-214AC-2 (SMA) |
| Pppm Peak Pulse Power Dissipation | 400 W | 400 W | 400 W |
| Minimum Operating Temperature | - 65 C | - 65 C | - 65 C |
| Maximum Operating Temperature | + 150 C | + 150 C | + 150 C |
| Packaging | Reel | Reel | Reel |
| Brand | Littelfuse | Littelfuse | Littelfuse |
| Factory Pack Quantity | 5000 | 5000 | 5000 |
| Subcategory | TVS Diodes / ESD Suppression Diodes | TVS Diodes / ESD Suppression Diodes | TVS Diodes / ESD Suppression Diodes |
| Unit Weight | 0.002152 oz | 0.002152 oz | 0.002152 oz |