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| Part Number | P4SMA550A | P4SMA550CA | P4SMA550C | P4SMA500A | P4SMA510A | P4SMA520A | P4SMA530A | P4SMA540A | P4SMA550 |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Diotec Semiconductor | Meritek | Littelfuse Inc. | Meritek | Littelfuse Inc. | Littelfuse Inc. | Diotec Semiconductor |
| Product Status | Active | Active | Active | Active | Active | Active | Active | Active | Active |
| Type | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener |
| Unidirectional Channels | 1 | - | - | 1 | 1 | 1 | 1 | 1 | 1 |
| Bidirectional Channels | - | 1 | 1 | - | - | - | - | - | - |
| Voltage - Reverse Standoff (Typ) | 495V | 495V | 445V | 427.5V | 434V | 444.6V | 477V | 486V | 445V |
| Voltage - Breakdown (Min) | 522.5V | 522.5V | 495V | 475V | 485V | 494V | 503.5V | 513V | 495V |
| Voltage - Clamping (Max) @ Ipp | 760V | 760V | 793V | 690V | 698V | 717.6V | 725V | 740V | 793V |
| Current - Peak Pulse (10/1000µs) | 500mA | 500mA | 500mA | 580mA | 600mA | 560mA | 600mA | 500mA | 500mA |
| Power - Peak Pulse | 400W | 400W | 400W | 400W | 400W | 400W | 400W | 400W | 400W |
| Power Line Protection | No | No | No | - | No | - | No | No | No |
| Applications | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose |
| Capacitance @ Frequency | - | - | - | - | - | - | - | - | - |
| Operating Temperature | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) | -50°C ~ 150°C (TJ) | -55°C ~ 150°C | -65°C ~ 150°C (TJ) | -55°C ~ 150°C | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) | -50°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | 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) | 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) | DO-214AC, SMA |
