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| PartNumber | P4SMA540CA | P4SMA540C | P4SMA540CA R2 |
| Description | TVS Diodes / ESD Suppressors 540V 400W BiDir | TVS Diodes / ESD Suppressors 459V 400W 10% Bi-directional | ESD Suppressors / TVS Diodes 400W,540V,5%,BI, TVS |
| Manufacturer | Bourns | Littelfuse | - |
| Product Category | TVS Diodes / ESD Suppressors | TVS Diodes / ESD Suppressors | - |
| RoHS | Y | Y | - |
| Series | P4SMA | P4SMA | - |
| Product Type | TVS Diodes | TVS Diodes | - |
| Vesd Voltage ESD Contact | - | - | - |
| Vesd Voltage ESD Air Gap | - | - | - |
| Polarity | Bidirectional | Bidirectional | - |
| Number of Channels | 1 Channel | - | - |
| Termination Style | SMD/SMT | SMD/SMT | - |
| Breakdown Voltage | 567 V | 594 V | - |
| Working Voltage | 486 V | 486 V | - |
| Clamping Voltage | - | 777 V | - |
| Cd Diode Capacitance | - | - | - |
| Package / Case | DO-214AC-2 (SMA) | DO-214AC-2 (SMA) | - |
| Minimum Operating Temperature | - 55 C | - 65 C | - |
| Maximum Operating Temperature | + 150 C | + 150 C | - |
| Packaging | Reel | Reel | - |
| Brand | Bourns | Littelfuse | - |
| Factory Pack Quantity | 5000 | 5000 | - |
| Subcategory | TVS Diodes / ESD Suppression Diodes | TVS Diodes / ESD Suppression Diodes | - |
| Unit Weight | 0.035274 oz | 0.002152 oz | - |
| Ipp Peak Pulse Current | - | 500 mA | - |
| Pppm Peak Pulse Power Dissipation | - | 400 W | - |