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| Part Number | P4SMA22 | P4SMA22A | P4SMA220 | P4SMA22C | P4SMA24 | P4SMA20 |
|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Diotec Semiconductor | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Product Status | Obsolete | Active | Active | Obsolete | Obsolete | Obsolete |
| Type | Zener | Zener | Zener | Zener | Zener | Zener |
| Unidirectional Channels | 1 | 1 | 1 | - | 1 | 1 |
| Bidirectional Channels | - | - | - | 1 | - | - |
| Voltage - Reverse Standoff (Typ) | 18.8V | 18.8V | 175V | 18.8V | 20.5V | 17.1V |
| Voltage - Breakdown (Min) | 19.86V | 20.9V | 198V | 19.86V | 21.66V | 18.05V |
| Voltage - Clamping (Max) @ Ipp | 32.13V | 30.6V | 344V | 32.13V | 34.86V | 29.09V |
| Current - Peak Pulse (10/1000µs) | 13.4A | 13.4A | 1.2A | 13.4A | 12.3A | 14.8A |
| Power - Peak Pulse | 400W | 400W | 400W | 400W | 400W | 400W |
| Power Line Protection | No | No | No | No | No | No |
| Applications | 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) | -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) |
