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| Part Number | SMAJ188CA | SMAJ18CA | SMAJ188CAH | SMAJ188CH | SMAJ180CA | SMAJ188A | 
|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Taiwan Semiconductor Corporation | Taiwan Semiconductor Corporation | Meritek | Littelfuse Inc. | 
| Product Status | Active | Active | Active | Active | Active | Active | 
| Type | Zener | Zener | Zener | Zener | Zener | Zener | 
| Unidirectional Channels | - | - | - | - | - | 1 | 
| Bidirectional Channels | 1 | 1 | 1 | 1 | 1 | - | 
| Voltage - Reverse Standoff (Typ) | 188V | 18V | 188V | 188V | 180V | 188V | 
| Voltage - Breakdown (Min) | 209V | 20V | 209V | 209V | 200V | 209V | 
| Voltage - Clamping (Max) @ Ipp | 304V | 29.2V | 328V | 344V | 291.6V | 304V | 
| Current - Peak Pulse (10/1000µs) | 1.4A | 13.7A | 900mA | 900mA | 1.37A | 1.4A | 
| Power - Peak Pulse | 400W | 400W | 400W | 400W | 400W | 400W | 
| Power Line Protection | No | No | No | No | - | No | 
| Applications | Telecom | General Purpose | Automotive | Automotive | General Purpose | Telecom | 
| Capacitance @ Frequency | - | - | - | - | - | - | 
| Operating Temperature | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C | -65°C ~ 150°C (TJ) | 
| Mounting Type | 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 | 
| Supplier Device Package | DO-214AC (SMA) | DO-214AC (SMA) | DO-214AC (SMA) | DO-214AC (SMA) | - | DO-214AC (SMA) |