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| Part Number | SMAJ18CA | SMAJ18CAH | SMAJ18CH | SMAJ19CA | SMAJ180A | SMAJ180CA | SMAJ188A | SMAJ188CA | SMAJ18A | SMAJ18C |
|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Taiwan Semiconductor Corporation | Taiwan Semiconductor Corporation | Meritek | Littelfuse Inc. | Meritek | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Meritek |
| Product Status | Active | Active | Active | Active | Active | Active | Active | Active | Active | Active |
| Type | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener |
| Unidirectional Channels | - | - | - | - | 1 | - | 1 | - | 1 | - |
| Bidirectional Channels | 1 | 1 | 1 | 1 | - | 1 | - | 1 | - | 1 |
| Voltage - Reverse Standoff (Typ) | 18V | 18V | 18V | 19V | 180V | 180V | 188V | 188V | 18V | 18V |
| Voltage - Breakdown (Min) | 20V | 20V | 20V | 21.1V | 201V | 200V | 209V | 209V | 20V | 20V |
| Voltage - Clamping (Max) @ Ipp | 29.2V | 29.2V | 32.2V | 30.8V | 292V | 291.6V | 304V | 304V | 29.2V | 32.2V |
| Current - Peak Pulse (10/1000µs) | 13.7A | 13.7A | 12.4A | 13A | 1.4A | 1.37A | 1.4A | 1.4A | 13.7A | 12.42A |
| Power - Peak Pulse | 400W | 400W | 400W | 400W | 400W | 400W | 400W | 400W | 400W | 400W |
| Power Line Protection | No | No | No | - | No | - | No | No | No | - |
| Applications | General Purpose | Automotive | Automotive | General Purpose | General Purpose | General Purpose | Telecom | Telecom | 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 | -65°C ~ 150°C (TJ) | -55°C ~ 150°C | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) | -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 | 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 | DO-214AC (SMA) |
| Supplier Device Package | DO-214AC (SMA) | DO-214AC (SMA) | DO-214AC (SMA) | - | DO-214AC (SMA) | - | DO-214AC (SMA) | DO-214AC (SMA) | DO-214AC (SMA) | - |
