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| Part Number | P4SMA18A | P4SMA18CA | P4SMA18AH | P4SMA18C | P4SMA18 | P4SMA180 | P4SMA180A |
|---|---|---|---|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | Bourns Inc. | Taiwan Semiconductor Corporation | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Eaton - Electronics Division |
| Product Status | Obsolete | Active | Active | Obsolete | Obsolete | Obsolete | Active |
| Type | Zener | Zener | Zener | Zener | Zener | Zener | Zener |
| Unidirectional Channels | 1 | - | 1 | - | 1 | 1 | 1 |
| Bidirectional Channels | - | 1 | - | 1 | - | - | - |
| Voltage - Reverse Standoff (Typ) | 15.3V | 15.3V | 15.3V | 15.3V | 15.3V | 154V | 154V |
| Voltage - Breakdown (Min) | 17.1V | 17.1V | 17.1V | 16.25V | 16.25V | 162.45V | 171V |
| Voltage - Clamping (Max) @ Ipp | 25.5V | 25.5V | 25.5V | 26.78V | 26.78V | 258.3V | 246V |
| Current - Peak Pulse (10/1000µs) | 16.1A | 16.1A | 16.5A | 16.1A | 16.1A | 1.7A | 1.6A |
| Power - Peak Pulse | 400W | 400W | 400W | 400W | 400W | 400W | 400W |
| Power Line Protection | No | No | No | No | No | No | No |
| Applications | General Purpose | General Purpose | Automotive | General Purpose | General Purpose | General Purpose | Telecom |
| Capacitance @ Frequency | - | - | - | - | - | - | - |
| Operating Temperature | -65°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) |
| Mounting Type | 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 |
| Supplier Device Package | DO-214AC (SMA) | DO-214AC (SMA) | DO-214AC (SMA) | DO-214AC (SMA) | DO-214AC (SMA) | DO-214AC (SMA) | SMA |
