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| Part Number | SMF4L40A | SMF4L40CA | SMF4L43A | SMF4L48A | SMF4L60A | SMF4L70A | SMF4L45A | SMF4L20A | SMF4L30A |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | 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 |
| Type | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener |
| Unidirectional Channels | 1 | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Bidirectional Channels | - | 1 | - | - | - | - | - | - | - |
| Voltage - Reverse Standoff (Typ) | 40V | 40V | 43V | 48V | 60V | 70V | 45V | 20V | 30V |
| Voltage - Breakdown (Min) | 44.4V | 44.4V | 47.8V | 53.3V | 66.7V | 77.8V | 50V | 22.2V | 33.3V |
| Voltage - Clamping (Max) @ Ipp | 64.5V | 64.5V | 69.4V | 77.4V | 96.8V | 113V | 72.7V | 32.4V | 48.4V |
| Current - Peak Pulse (10/1000µs) | 6.2A | 6.2A | 5.8A | 5.2A | 4.1A | 3.5A | 5.5A | 12.3A | 8.3A |
| Power - Peak Pulse | 400W | 400W | 400W | 400W | 400W | 400W | 400W | 400W | 400W |
| Power Line Protection | 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 |
| 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) |
| Mounting Type | 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 |
| Supplier Device Package | SOD-123F | SOD-123F | SOD-123F | SOD-123F | SOD-123F | SOD-123F | SOD-123F | SOD-123F | SOD-123F |
