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| Part Number | SMA4F20AY | SMA4F40AY | SMA4F23AY | SMA4F22AY | SMA4F30AY | SMA4F24AY | SMA4F70AY | SMA4F28AY | SMA4F26AY | SMA4F10AY | SMA4F20A |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Status | Active | Active | Active | Active | Active | Active | Active | Active | Active | Active | Active |
| Type | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener |
| Unidirectional Channels | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Bidirectional Channels | - | - | - | - | - | - | - | - | - | - | - |
| Voltage - Reverse Standoff (Typ) | 20V | 40V (Max) | 23V | 22V | 30V | 24V | 70V (Max) | 28V | 26V | 10V | 20V |
| Voltage - Breakdown (Min) | 22.2V | 44.4V | 25.7V | 24.4V | 33.2V | 26.7V | 77.9V | 31.1V | 28.9V | 11.1V | 22.2V |
| Voltage - Clamping (Max) @ Ipp | 32.4V | 84V | 37.8V | 35.5V | 48.4V | 38.9V | 113V | 45.4V | 42.1V | 17V | 42.8V |
| Current - Peak Pulse (10/1000µs) | 12.3A | 27A (8/20µs) | 10.6A | 11.2A | 8.3A | 10.3A | 3.5A | 8.8A | 9.5A | 23.5A | 12.3A |
| Power - Peak Pulse | 400W | 400W | 400W | 400W | 400W | 400W | 400W | 400W | 400W | 400W | 400W |
| Power Line Protection | No | No | No | No | No | No | No | No | No | No | No |
| Applications | Automotive | Automotive | Automotive | Automotive | Automotive | Automotive | Automotive | Automotive | Automotive | Automotive | General Purpose |
| Capacitance @ Frequency | - | - | - | - | - | - | - | - | - | - | - |
| Operating Temperature | -55°C ~ 175°C (TJ) | -55°C ~ 175°C (TJ) | -55°C ~ 175°C (TJ) | -55°C ~ 175°C (TJ) | -55°C ~ 175°C (TJ) | -55°C ~ 175°C (TJ) | -55°C ~ 175°C (TJ) | -55°C ~ 175°C (TJ) | -55°C ~ 175°C (TJ) | -55°C ~ 175°C (TJ) | -55°C ~ 175°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | DO-221AC, SMA Flat Leads | DO-221AC, SMA Flat Leads | DO-221AC, SMA Flat Leads | DO-221AC, SMA Flat Leads | DO-221AC, SMA Flat Leads | DO-221AC, SMA Flat Leads | DO-221AC, SMA Flat Leads | DO-221AC, SMA Flat Leads | DO-221AC, SMA Flat Leads | DO-221AC, SMA Flat Leads | DO-221AC, SMA Flat Leads |
| Supplier Device Package | SMAflat | SMAflat | SMAflat | SMAflat | SMAflat | SMAflat | SMAflat | SMAflat | SMAflat | SMAflat | SMAflat |
