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| Part Number | SMF4L45A | SMF4L48A | SMF4L75A | SMF4L85A | SMF4L45CA | SMF4L40A | SMF4L43A |
|---|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | 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 | - | - | - | - | 1 | - | - |
| Voltage - Reverse Standoff (Typ) | 45V | 48V | 75V | 85V | 45V | 40V | 43V |
| Voltage - Breakdown (Min) | 50V | 53.3V | 83.3V | 94.4V | 50V | 44.4V | 47.8V |
| Voltage - Clamping (Max) @ Ipp | 72.7V | 77.4V | 121V | 137V | 72.7V | 64.5V | 69.4V |
| Current - Peak Pulse (10/1000µs) | 5.5A | 5.2A | 3.3A | 2.9A | 5.5A | 6.2A | 5.8A |
| Power - Peak Pulse | 400W | 400W | 400W | 400W | 400W | 400W | 400W |
| Power Line Protection | No | No | No | No | No | No | No |
| Applications | 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) |
| Mounting Type | 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 |
| Supplier Device Package | SOD-123F | SOD-123F | SOD-123F | SOD-123F | SOD-123F | SOD-123F | SOD-123F |
