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| Part Number | SMBJ40A | SMBJ43A | SMBJ40CA | SMBJ40AH | SMBJ40C | SMBJ40 | SMBJ400 | SMBJ400A | SMBJ408A |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Taiwan Semiconductor Corporation | Taiwan Semiconductor Corporation | Taiwan Semiconductor Corporation | Meritek | Meritek | Littelfuse Inc. | Littelfuse Inc. | Bourns Inc. |
| Product Status | Active | Active | Active | Active | Active | Active | Obsolete | Active | 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 | 43V | 40V | 40V | 40V | 40V | 400V | 400V | 408V |
| Voltage - Breakdown (Min) | 44.4V | 47.8V | 44.4V | 44.4V | 44.4V | 44.4V | 423.45V | 447V | 456V |
| Voltage - Clamping (Max) @ Ipp | 64.5V | 69.4V | 64.5V | 64.5V | 71.4V | 71.4V | 680.4V | 648V | 658V |
| Current - Peak Pulse (10/1000µs) | 9.3A | 8.6A | 9.3A | 9.7A | 8.4A | 8.4A | 900mA | 900mA | 900mA |
| Power - Peak Pulse | 600W | 600W | 600W | 600W | 600W | 600W | 600W | 600W | 600W |
| Power Line Protection | No | No | No | No | - | - | No | No | No |
| Applications | General Purpose | General Purpose | General Purpose | Automotive | General Purpose | 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 (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C | -55°C ~ 150°C | -65°C ~ 150°C (TJ) | -65°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 | DO-214AA, SMB | DO-214AA, SMB | 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 (SMB) | DO-214AA (SMB) | DO-214AA (SMB) | - | - | DO-214AA (SMBJ) | DO-214AA (SMBJ) | SMB (DO-214AA) |
