| PartNumber | P4SMA400A-H | P4SMA400A | P4SMA400A-E |
| Description | TVS Diodes / ESD Suppressors 400V 400W UniDir | TVS Diodes / ESD Suppressors 400V 400W UniDir | TVS Diodes / ESD Suppressors TVS Diode SMA Suf MT TR |
| Manufacturer | Bourns | Bourns | Littelfuse |
| Product Category | TVS Diodes / ESD Suppressors | TVS Diodes / ESD Suppressors | TVS Diodes / ESD Suppressors |
| RoHS | Y | Y | - |
| Series | P4SMA | P4SMA | P4SMA |
| Product Type | TVS Diodes | TVS Diodes | - |
| Vesd Voltage ESD Contact | - | - | - |
| Vesd Voltage ESD Air Gap | - | - | - |
| Polarity | Unidirectional | Unidirectional | - |
| Number of Channels | 1 Channel | 1 Channel | - |
| Termination Style | SMD/SMT | SMD/SMT | - |
| Breakdown Voltage | 420 V | 420 V | - |
| Working Voltage | 342 V | 342 V | - |
| Clamping Voltage | - | - | - |
| Cd Diode Capacitance | - | - | - |
| Minimum Operating Temperature | - 55 C | - 55 C | - |
| Maximum Operating Temperature | + 150 C | + 150 C | - |
| Packaging | Reel | Reel | - |
| Brand | Bourns | Bourns | Littelfuse |
| Factory Pack Quantity | 4000 | 5000 | - |
| Subcategory | TVS Diodes / ESD Suppression Diodes | TVS Diodes / ESD Suppression Diodes | TVS Diodes / ESD Suppression Diodes |
| Vf Forward Voltage | 5 V | 5 V | - |
| Unit Weight | 0.035274 oz | 0.035274 oz | - |
| Package / Case | - | DO-214AC-2 (SMA) | - |