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| Part Number | P4SMA400CA | P4SMA440CA | P4SMA400A | P4SMA400C |
|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Eaton - Electronics Division | Diotec Semiconductor |
| Product Status | Active | Active | Active | Active |
| Type | Zener | Zener | Zener | Zener |
| Unidirectional Channels | - | - | 1 | - |
| Bidirectional Channels | 1 | 1 | - | 1 |
| Voltage - Reverse Standoff (Typ) | 342V | 376V | 342V | 324V |
| Voltage - Breakdown (Min) | 380V | 418V | 380V | 360V |
| Voltage - Clamping (Max) @ Ipp | 548V | 602V | 548V | 574V |
| Current - Peak Pulse (10/1000µs) | 800mA | 700mA | 800mA | 700mA |
| Power - Peak Pulse | 400W | 400W | 400W | 400W |
| Power Line Protection | No | No | No | No |
| Applications | General Purpose | General Purpose | Telecom | General Purpose |
| Capacitance @ Frequency | - | - | - | - |
| Operating Temperature | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -50°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | DO-214AC, SMA | DO-214AC, SMA | DO-214AC, SMA | DO-214AC, SMA |
| Supplier Device Package | DO-214AC (SMA) | DO-214AC (SMA) | SMA | DO-214AC, SMA |
