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| Part Number | SMBJ400A | SMBJ400CA | SMBJ40A | SMBJ40CA | SMBJ408A | SMBJ400C | SMBJ400 |
|---|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Taiwan Semiconductor Corporation | Bourns Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Product Status | Active | Active | Active | Active | Active | Obsolete | Obsolete |
| Type | Zener | Zener | Zener | Zener | Zener | Zener | Zener |
| Unidirectional Channels | 1 | - | 1 | - | 1 | - | 1 |
| Bidirectional Channels | - | 1 | - | 1 | - | 1 | - |
| Voltage - Reverse Standoff (Typ) | 400V | 400V | 40V | 40V | 408V | 400V | 400V |
| Voltage - Breakdown (Min) | 447V | 447V | 44.4V | 44.4V | 456V | 423.45V | 423.45V |
| Voltage - Clamping (Max) @ Ipp | 648V | 648V | 64.5V | 64.5V | 658V | 680.4V | 680.4V |
| Current - Peak Pulse (10/1000µs) | 900mA | 900mA | 9.3A | 9.3A | 900mA | 900mA | 900mA |
| Power - Peak Pulse | 600W | 600W | 600W | 600W | 600W | 600W | 600W |
| 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 | -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) | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB |
| Supplier Device Package | DO-214AA (SMBJ) | DO-214AA (SMBJ) | DO-214AA (SMBJ) | DO-214AA (SMB) | SMB (DO-214AA) | DO-214AA (SMBJ) | DO-214AA (SMBJ) |
