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| Part Number | SMAJ40A | SMAJ43A | SMAJ40CA | SMAJ40AH | SMAJ40H | SMAJ40C | SMAJ40 | SMAJ400 | SMAJ400A |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Rectron USA | Meritek | Taiwan Semiconductor Corporation | Taiwan Semiconductor Corporation | Meritek | Meritek | Littelfuse Inc. | Meritek |
| Product Status | Active | Active | Active | Active | Active | Active | Active | Obsolete | Active |
| Type | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener |
| Unidirectional Channels | 1 | 1 | - | 1 | 1 | - | 1 | 1 | 1 |
| Bidirectional Channels | - | - | 1 | - | - | 1 | - | - | - |
| Voltage - Reverse Standoff (Typ) | 40V | 50.3V | 40V | 40V | 40V | 40V | 40V | 400V | 400V |
| Voltage - Breakdown (Min) | 44.4V | - | 44.4V | 44.4V | 44.4V | 44.4V | 44.4V | 423.45V | 447V |
| Voltage - Clamping (Max) @ Ipp | 64.5V | 69.4V | 64.5V | 64.5V | 71.4V | 71.4V | 71.4V | 680.4V | 648V |
| Current - Peak Pulse (10/1000µs) | 6.2A | - | 6.2A | 6.2A | 5.6A | 5.6A | 5.6A | 600mA | 620mA |
| Power - Peak Pulse | 400W | 400W | 400W | 400W | 400W | 400W | 400W | 400W | 400W |
| Power Line Protection | No | - | - | No | No | - | - | No | - |
| Applications | General Purpose | General Purpose | General Purpose | Automotive | Automotive | General Purpose | General Purpose | General Purpose | General Purpose |
| Capacitance @ Frequency | - | - | - | - | - | - | - | - | - |
| Operating Temperature | -65°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C | -55°C ~ 150°C | -65°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 | 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 | DO-214AC (SMA) |
| Supplier Device Package | DO-214AC (SMA) | DO-214AC (SMA) | - | DO-214AC (SMA) | DO-214AC (SMA) | - | - | DO-214AC (SMA) | - |
