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| Part Number | SMF4L20A | SMF4L24A | SMF4L40A | SMF4L30A | SMF4L28A | SMF4L22A | SMF4L20CA | SMF4L26A | SMF4L220A | SMF4L250A | SMF4L10A | SMF4L120A | SMF4L200A |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Product Status | Active | Active | Active | Active | Active | Active | Active | Active | Active | Active | Active | Active | Active |
| Type | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener |
| Unidirectional Channels | 1 | 1 | 1 | 1 | 1 | 1 | - | 1 | 1 | 1 | 1 | 1 | 1 |
| Bidirectional Channels | - | - | - | - | - | - | 1 | - | - | - | - | - | - |
| Voltage - Reverse Standoff (Typ) | 20V | 24V | 40V | 30V | 28V | 22V | 20V | 26V | 220V | 250V | 10V | 120V | 200V |
| Voltage - Breakdown (Min) | 22.2V | 26.7V | 44.4V | 33.3V | 31.1V | 24.4V | 22.2V | 28.9V | 246V | 279V | 11.1V | 133V | 224V |
| Voltage - Clamping (Max) @ Ipp | 32.4V | 38.9V | 64.5V | 48.4V | 45.4V | 35.5V | 32.4V | 42.1V | 356V | 405V | 17V | 193V | 324V |
| Current - Peak Pulse (10/1000µs) | 12.3A | 10.3A | 6.2A | 8.3A | 8.8A | 11.3A | 12.3A | 9.5A | 600mA | 500mA | 23.5A | 1A | 600mA |
| Power - Peak Pulse | 400W | 400W | 400W | 400W | 400W | 400W | 400W | 400W | 400W | 400W | 400W | 400W | 400W |
| Power Line Protection | No | No | No | No | No | No | No | No | No | No | No | No | No |
| Applications | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose |
| Capacitance @ Frequency | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°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 | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | SOD-123F | SOD-123F | SOD-123F | SOD-123F | SOD-123F | SOD-123F | SOD-123F | SOD-123F | SOD-123F | SOD-123F | SOD-123F | SOD-123F | SOD-123F |
| Supplier Device Package | SOD-123F | SOD-123F | SOD-123F | SOD-123F | SOD-123F | SOD-123F | SOD-123F | SOD-123F | SOD-123F | SOD-123F | SOD-123F | SOD-123F | SOD-123F |
