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| Part Number | SMBJ18A | SMBJ18CA | SMBJ18AH | SMBJ19A | SMBJ18C | SMBJ18 | SMBJ180 | SMBJ180A | SMBJ188A |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Bourns Inc. | Taiwan Semiconductor Corporation | Meritek | Meritek | Meritek | Meritek | Meritek | 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 |
| Bidirectional Channels | - | 1 | - | - | 1 | - | - | - | - |
| Voltage - Reverse Standoff (Typ) | 18V | 18V | 18V | 19V | 18V | 18V | 180V | 180V | 188V |
| Voltage - Breakdown (Min) | 20V | 20V | 20V | 21.1V | 20V | 20V | 200.16V | 200V | - |
| Voltage - Clamping (Max) @ Ipp | 29.2V | 29.2V | 29.2V | 30.8V | 32.2V | 32.2V | 322.2V | 291.6V | - |
| Current - Peak Pulse (10/1000µs) | 20.6A | 20.6A | 21.5A | 19.49A | 18.63A | 18.63A | 1.86A | 2.06A | - |
| Power - Peak Pulse | 600W | 600W | 600W | 600W | 600W | 600W | 600W | 600W | 600W |
| Power Line Protection | No | No | No | - | - | - | - | - | No |
| Applications | General Purpose | General Purpose | Automotive | General Purpose | 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 | -55°C ~ 150°C | -55°C ~ 150°C | -55°C ~ 150°C | -55°C ~ 150°C | -65°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) | SMB (DO-214AA) | DO-214AA (SMB) | - | - | - | - | - | DO-214AA (SMBJ) |
