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| Part Number | P4SMA56A | P4SMA56CA | P4SMA56AH | P4SMA56C | P4SMA51A | P4SMA56 |
|---|---|---|---|---|---|---|
| Manufacturer | Bourns Inc. | Littelfuse Inc. | Taiwan Semiconductor Corporation | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Product Status | Active | Active | Active | Obsolete | Active | Obsolete |
| Type | Zener | Zener | Zener | Zener | Zener | Zener |
| Unidirectional Channels | 1 | - | 1 | - | 1 | 1 |
| Bidirectional Channels | - | 1 | - | 1 | - | - |
| Voltage - Reverse Standoff (Typ) | 47.8V | 47.8V | 47.8V | 47.8V | 43.6V | 47.8V |
| Voltage - Breakdown (Min) | 53.2V | 53.2V | 53.2V | 50.54V | 48.5V | 50.54V |
| Voltage - Clamping (Max) @ Ipp | 77V | 77V | 77V | 80.85V | 70.1V | 80.85V |
| Current - Peak Pulse (10/1000µs) | 5.3A | 5.3A | 5.4A | 5.3A | 5.8A | 5.3A |
| Power - Peak Pulse | 400W | 400W | 400W | 400W | 400W | 400W |
| Power Line Protection | No | No | No | No | No | No |
| Applications | General Purpose | General Purpose | Automotive | General Purpose | General Purpose | General Purpose |
| Capacitance @ Frequency | - | - | - | - | - | - |
| Operating Temperature | -55°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) | -55°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 |
| Package / Case | DO-214AC, SMA | DO-214AC, SMA | DO-214AC, SMA | DO-214AC, SMA | DO-214AC, SMA | DO-214AC, SMA |
| Supplier Device Package | DO-214AC (SMA) | DO-214AC (SMA) | DO-214AC (SMA) | DO-214AC (SMA) | DO-214AC (SMA) | DO-214AC (SMA) |
