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| Part Number | SMAJ45A | SMAJ48A | SMAJ45CA | SMAJ45AH | SMAJ45H | SMAJ45C | SMAJ43A | SMAJ45 |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Taiwan Semiconductor Corporation | Taiwan Semiconductor Corporation | Meritek | Rectron USA | Meritek |
| Product Status | Active | Active | Active | Active | Active | Active | Active | Active |
| Type | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener |
| Unidirectional Channels | 1 | 1 | - | 1 | 1 | - | 1 | 1 |
| Bidirectional Channels | - | - | 1 | - | - | 1 | - | - |
| Voltage - Reverse Standoff (Typ) | 45V | 48V | 45V | 45V | 45V | 45V | 50.3V | 45V |
| Voltage - Breakdown (Min) | 50V | 53.3V | 50V | 50V | 50V | 50V | - | 50V |
| Voltage - Clamping (Max) @ Ipp | 72.7V | 77.4V | 72.7V | 72.7V | 80.3V | 80.3V | 69.4V | 80.3V |
| Current - Peak Pulse (10/1000µs) | 5.5A | 5.2A | 5.5A | 5.5A | 5A | 4.98A | - | 4.98A |
| Power - Peak Pulse | 400W | 400W | 400W | 400W | 400W | 400W | 400W | 400W |
| Power Line Protection | No | No | No | No | No | - | - | - |
| Applications | General Purpose | General Purpose | General Purpose | Automotive | Automotive | General Purpose | General Purpose | General Purpose |
| Capacitance @ Frequency | - | - | - | - | - | - | - | - |
| Operating Temperature | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C | -55°C ~ 150°C (TJ) | -55°C ~ 150°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | DO-214AC, SMA | DO-214AC, SMA | DO-214AC, SMA | DO-214AC, SMA | DO-214AC, SMA | DO-214AC (SMA) | DO-214AC, SMA | DO-214AC (SMA) |
| Supplier Device Package | DO-214AC (SMA) | DO-214AC (SMA) | DO-214AC (SMA) | DO-214AC (SMA) | DO-214AC (SMA) | - | DO-214AC (SMA) | - |
