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| PartNumber | SMA4S21AH MWG | SMA4S20AH MWG | SMA4S21AH MXG |
| Description | TVS Diodes / ESD Suppressors 400W 10V-70V SMD TVS PG | TVS Diodes / ESD Suppressors 400W 10V-70V SMD TVS PG | TVS Diodes / ESD Suppressors 400W, 24.7V 5% Unidirectional, TVS |
| Manufacturer | Taiwan Semiconductor | Taiwan Semiconductor | Taiwan Semiconductor |
| Product Category | TVS Diodes / ESD Suppressors | TVS Diodes / ESD Suppressors | TVS Diodes / ESD Suppressors |
| RoHS | Y | Y | - |
| Series | SMA4S | SMA4S | SMA4S21AH |
| Product Type | TVS Diodes | TVS Diodes | TVS Diodes |
| Polarity | Unidirectional | Unidirectional | Unidirectional |
| Number of Channels | 1 Channel | 1 Channel | 1 Channel |
| Termination Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Breakdown Voltage | 23.5 V | 22.4 V | 23.5 V |
| Working Voltage | 21 V | 20 V | 21 V |
| Clamping Voltage | 34.1 V | 32.5 V | 34.1 V |
| Ipp Peak Pulse Current | 11.7 A | 12.3 A | 11.7 A |
| Package / Case | SOD-128-2 | SOD-128-2 | SOD-128-2 |
| Pppm Peak Pulse Power Dissipation | 400 W | 400 W | 400 W |
| Pd Power Dissipation | 7.5 W | 7.5 W | - |
| Minimum Operating Temperature | - 55 C | - 55 C | - 55 C |
| Maximum Operating Temperature | + 175 C | + 175 C | + 175 C |
| Qualification | AEC-Q101 | AEC-Q101 | AEC-Q101 |
| Packaging | Reel | Reel | - |
| Brand | Taiwan Semiconductor | Taiwan Semiconductor | Taiwan Semiconductor |
| Factory Pack Quantity | 3500 | 3500 | - |
| Subcategory | TVS Diodes / ESD Suppression Diodes | TVS Diodes / ESD Suppression Diodes | TVS Diodes / ESD Suppression Diodes |
| Vf Forward Voltage | 3.5 V | 3.5 V | - |
| Vesd Voltage ESD Contact | - | - | - |
| Vesd Voltage ESD Air Gap | - | - | - |
| Cd Diode Capacitance | - | - | - |