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| Part Number | 1SMC28AT3G | 1SMC78AT3G | 1SMC48AT3G | 1SMC18AT3G | 1SMC20AT3G | 1SMC22AT3G | 1SMC24AT3G | 1SMC26AT3G | 1SMC28AT3 |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | onsemi | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | onsemi |
| Product Status | Obsolete | Active | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Type | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | - |
| Unidirectional Channels | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - |
| Bidirectional Channels | - | - | - | - | - | - | - | - | - |
| Voltage - Reverse Standoff (Typ) | 28V | 78V | 48V | 18V | 20V | 22V | 24V | 26V | - |
| Voltage - Breakdown (Min) | 31.1V | 86.7V | 53.3V | 20V | 22.2V | 24.4V | 26.7V | 28.9V | - |
| Voltage - Clamping (Max) @ Ipp | 45.4V | 126V | 77.4V | 29.2V | 32.4V | 35.5V | 38.9V | 42.1V | - |
| Current - Peak Pulse (10/1000µs) | 33A | 11.4A | 19.4A | 51.4A | 46.3A | 42.2A | 38.6A | 35.6A | - |
| Power - Peak Pulse | 1500W (1.5kW) | 1500W (1.5kW) | 1500W (1.5kW) | 1500W (1.5kW) | 1500W (1.5kW) | 1500W (1.5kW) | 1500W (1.5kW) | 1500W (1.5kW) | - |
| Power Line Protection | No | No | No | No | No | No | No | No | - |
| Applications | General Purpose | 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) | -65°C ~ 150°C (TJ) | - |
| Mounting Type | Surface Mount | 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 | DO-214AB, SMC | - |
| Supplier Device Package | SMC | SMC | SMC | SMC | SMC | SMC | SMC | SMC | - |
