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| Part Number | SZ1SMA28CAT3G | SZ1SMB28CAT3G | SZ1SMA48CAT3G | SZ1SMA58CAT3G | SZ1SMA78CAT3G | SZ1SMA18CAT3G | SZ1SMA20CAT3G | SZ1SMA22CAT3G | SZ1SMA24CAT3G | SZ1SMA26CAT3G | SZ1SMA28AT3G |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| 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 |
| Bidirectional Channels | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - |
| Voltage - Reverse Standoff (Typ) | 28V | 28V | 48V | 58V | 78V | 18V | 20V | 22V | 24V | 26V | 28V |
| Voltage - Breakdown (Min) | 31.1V | 31.1V | 53.3V | 64.4V | 86.7V | 20V | 22.2V | 24.4V | 26.7V | 28.9V | 31.1V |
| Voltage - Clamping (Max) @ Ipp | 45.4V | 45.4V | 77.4V | 93.6V | 126V | 29.2V | 32.4V | 35.5V | 38.9V | 42.1V | 45.4V |
| Current - Peak Pulse (10/1000µs) | 8.8A | 13.2A | 5.2A | 4.3A | 3.2A | 13.7A | 12.3A | 11.3A | 10.3A | 9.5A | 8.8A |
| Power - Peak Pulse | 400W | 600W | 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 | Automotive |
| Capacitance @ Frequency | 225pF @ 1MHz | 310pF @ 1MHz | 135pF @ 1MHz | 115pF @ 1MHz | - | 335pF @ 1MHz | - | - | 260pF @ 1MHz | 240pF @ 1MHz | 430pF @ 1MHz |
| Operating Temperature | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) | -65°C ~ 150°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-214AC, SMA | DO-214AA, SMB | DO-214AC, SMA | DO-214AC, SMA | DO-214AC, SMA | DO-214AC, SMA | DO-214AC, SMA | DO-214AC, SMA | DO-214AC, SMA | DO-214AC, SMA | DO-214AC, SMA |
| Supplier Device Package | SMA | SMB | SMA | SMA | SMA | SMA | SMA | SMA | SMA | SMA | SMA |
