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| PartNumber | P4SMA20A | P4SMA20A M2G | P4SMA20A R2 |
| Description | TVS Diodes / ESD Suppressors 17.1V 400W 5% Uni-directional | TVS Diodes / ESD Suppressors 400W, 20V 5% Unidirectional, TVS | TVS Diodes / ESD Suppressors 400W,20V,5%,UNI, TVS |
| Manufacturer | Littelfuse | Taiwan Semiconductor | Taiwan Semiconductor |
| Product Category | TVS Diodes / ESD Suppressors | TVS Diodes / ESD Suppressors | TVS Diodes / ESD Suppressors |
| RoHS | Y | - | Y |
| Series | P4SMA | P4SMA20A | - |
| Product Type | TVS Diodes | TVS Diodes | TVS Diodes |
| Vesd Voltage ESD Contact | - | - | - |
| Vesd Voltage ESD Air Gap | - | - | - |
| Polarity | Unidirectional | Unidirectional | Unidirectional |
| Termination Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Breakdown Voltage | 21 V | 19 V | 19 V |
| Working Voltage | 17.1 V | 17.1 V | 17.1 V |
| Clamping Voltage | 27.7 V | 27.7 V | 27.7 V |
| Ipp Peak Pulse Current | 14.8 A | 15 A | 15 A |
| Package / Case | DO-214AC-2 (SMA) | DO-214AC-2 | DO-214AC-2 (SMA) |
| Pppm Peak Pulse Power Dissipation | 400 W | 400 W | - |
| Minimum Operating Temperature | - 65 C | - 55 C | - 55 C |
| Maximum Operating Temperature | + 150 C | + 150 C | + 150 C |
| Packaging | Reel | - | Reel |
| Brand | Littelfuse | Taiwan Semiconductor | Taiwan Semiconductor |
| Factory Pack Quantity | 5000 | - | 7500 |
| Subcategory | TVS Diodes / ESD Suppression Diodes | TVS Diodes / ESD Suppression Diodes | TVS Diodes / ESD Suppression Diodes |
| Unit Weight | 0.002152 oz | - | - |
| Number of Channels | - | 1 Channel | 1 Channel |
| Cd Diode Capacitance | - | - | - |
| Vf Forward Voltage | - | - | 3.5 V |