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| Part Number | SA28A | SA28CA | SA28AH | SA28C | SA28AG | SA22A | SA24A | SA26A | SA28 |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor | Taiwan Semiconductor Corporation | Littelfuse Inc. | onsemi | Fairchild Semiconductor | Fairchild Semiconductor | Littelfuse Inc. | Littelfuse Inc. |
| Product Status | Obsolete | Obsolete | Active | Obsolete | Obsolete | Obsolete | Obsolete | Active | Obsolete |
| 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) | 28V | 28V | 28V | 28V | 28V | 22V | 24V | 26V | 28V |
| Voltage - Breakdown (Min) | 31.1V | 31.1V | 31.1V | 29.48V | 31.1V | 24.4V | 26.7V | 28.9V | 29.48V |
| Voltage - Clamping (Max) @ Ipp | 45.4V | 45.4V | 59V | 47.67V | 45.4V | 35.5V | 38.9V | 42.1V | 47.67V |
| Current - Peak Pulse (10/1000µs) | 11.2A | 11.2A | 11.5A | 11.2A | 11A | 14.4A | 13.1A | 12.1A | 11.2A |
| Power - Peak Pulse | 500W | 500W | 500W | 500W | 500W | 500W | 500W | 500W | 500W |
| Power Line Protection | No | No | No | No | No | No | No | No | No |
| Applications | General Purpose | General Purpose | Automotive | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose |
| Capacitance @ Frequency | - | - | - | - | - | - | - | - | - |
| Operating Temperature | -55°C ~ 175°C (TJ) | -55°C ~ 175°C (TJ) | -55°C ~ 175°C (TJ) | -55°C ~ 175°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 175°C (TJ) | -55°C ~ 175°C (TJ) | -55°C ~ 175°C (TJ) | -55°C ~ 175°C (TJ) |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Package / Case | DO-204AC, DO-15, Axial | DO-204AC, DO-15, Axial | DO-204AC, DO-15, Axial | DO-204AC, DO-15, Axial | DO-204AC, DO-15, Axial | DO-204AC, DO-15, Axial | DO-204AC, DO-15, Axial | DO-204AC, DO-15, Axial | DO-204AC, DO-15, Axial |
| Supplier Device Package | DO-204AC (DO-15) | DO-204AC (DO-15) | DO-204AC (DO-15) | DO-204AC (DO-15) | Axial | DO-204AC (DO-15) | DO-204AC (DO-15) | DO-204AC (DO-15) | DO-204AC (DO-15) |
