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| Part Number | SMAJ28A | SMAJ28CA | SMAJ28AH | SMAJ28H | SMAJ28C | SMAJ26A | SMAJ28 |
|---|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Meritek | Taiwan Semiconductor Corporation | Taiwan Semiconductor Corporation | Meritek | SMC Diode Solutions | Meritek |
| Product Status | Active | Active | Active | Active | Active | Active | Active |
| Type | Zener | Zener | Zener | Zener | Zener | Zener | Zener |
| Unidirectional Channels | 1 | - | 1 | 1 | - | 1 | 1 |
| Bidirectional Channels | - | 1 | - | - | 1 | - | - |
| Voltage - Reverse Standoff (Typ) | 28V | 28V | 28V | 28V | 28V | 26V | 28V |
| Voltage - Breakdown (Min) | 31.1V | 31.1V | 31.1V | 31.1V | 31.1V | 28.9V | 31.1V |
| Voltage - Clamping (Max) @ Ipp | 45.4V | 45.4V | 45.4V | 50V | 50V | 42.1V | 50V |
| Current - Peak Pulse (10/1000µs) | 8.8A | 8.81A | 8.8A | 8A | 8A | 9.5A | 8A |
| Power - Peak Pulse | 400W | 400W | 400W | 400W | 400W | 400W | 400W |
| Power Line Protection | No | - | No | No | - | No | - |
| Applications | General Purpose | General Purpose | Automotive | Automotive | General Purpose | General Purpose | General Purpose |
| Capacitance @ Frequency | - | - | - | - | - | - | - |
| Operating Temperature | -65°C ~ 150°C (TJ) | -55°C ~ 150°C | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C | -55°C ~ 150°C (TJ) | -55°C ~ 150°C |
| 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) | - | SMA (DO-214AC) | - |
