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| Part Number | SMF28A | SMF28CA | SMF28AH | SMF20A | SMF22A | SMF24A | SMF26A |
|---|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | MDD | Taiwan Semiconductor Corporation | MDD | Littelfuse Inc. | Diotec Semiconductor | Littelfuse Inc. |
| Product Status | Active | Active | Active | Active | Active | Active | Active |
| Type | Zener | Zener | Zener | Zener | Zener | Zener | Zener |
| Unidirectional Channels | 1 | - | 1 | 1 | 1 | 1 | 1 |
| Bidirectional Channels | - | - | - | - | - | - | - |
| Voltage - Reverse Standoff (Typ) | 28V | 28V | 28V | 20V | 22V | 24V | 26V |
| Voltage - Breakdown (Min) | 31.1V | 31.1V | 31.1V | 22.2V | 24.4V | 26.7V | 28.9V |
| Voltage - Clamping (Max) @ Ipp | 45.4V | 45.4V | 45.4V | 32.4V | 35.5V | 38.9V | 42.1V |
| Current - Peak Pulse (10/1000µs) | 4.4A | 4.4A | 4.4A | 6.2A | 5.6A | 5.14A | 4.8A |
| Power - Peak Pulse | 200W | 200W | 200W | 200W | 200W | 200W | 200W |
| Power Line Protection | No | No | No | No | No | No | No |
| Applications | General Purpose | General Purpose | Automotive | General Purpose | General Purpose | General Purpose | General Purpose |
| Capacitance @ Frequency | - | - | - | - | - | - | - |
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 175°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -50°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 | SOD-123F | SOD-123F, SMF | SOD-123W | SOD-123F, SMF | SOD-123F | SOD-123F | SOD-123F |
| Supplier Device Package | SOD-123F | SMF/SOD-123FL | SOD-123W | SMF/SOD-123FL | SOD-123F | SOD-123F (SMF) | SOD-123F |
