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| Part Number | 1SMC28AT3 | 1SMC28AT3G | 1SMC58AT3 | 1SMC78AT3 | 1SMC18AT3 | 1SMC20AT3 | 1SMC22AT3 | 1SMC24AT3 | 1SMC26AT3 |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | onsemi | Littelfuse Inc. | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Type | - | Zener | Zener | Zener | Zener | Zener | Zener | Zener | - |
| Unidirectional Channels | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - |
| Bidirectional Channels | - | - | - | - | - | - | - | - | - |
| Voltage - Reverse Standoff (Typ) | - | 28V | 58V | 78V | 18V | 20V | 22V | 24V | - |
| Voltage - Breakdown (Min) | - | 31.1V | 64.4V | 86.7V | 20V | 22.2V | 24.4V | 26.7V | - |
| Voltage - Clamping (Max) @ Ipp | - | 45.4V | 93.6V | 126V | 29.2V | 32.4V | 35.5V | 38.9V | - |
| Current - Peak Pulse (10/1000µs) | - | 33A | 16A | 11.4A | 51.4A | 46.3A | 42.2A | 38.6A | - |
| Power - Peak Pulse | - | 1500W (1.5kW) | 1500W (1.5kW) | 1500W (1.5kW) | 1500W (1.5kW) | 1500W (1.5kW) | 1500W (1.5kW) | 1500W (1.5kW) | - |
| 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) | -65°C ~ 150°C (TJ) | -65°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-214AB, SMC | DO-214AB, SMC | DO-214AB, SMC | DO-214AB, SMC | DO-214AB, SMC | DO-214AB, SMC | DO-214AB, SMC | - |
| Supplier Device Package | - | SMC | SMC | SMC | SMC | SMC | SMC | SMC | - |
