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| Part Number | 1SMB28AT3G | 1SMB58AT3G | 1SMB28CAT3G | 1SMB48AT3G | 1SMB18AT3G | 1SMB20AT3G | 1SMB22AT3G | 1SMB24AT3G | 1SMB26AT3G | 1SMB28AT3 |
|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | onsemi | onsemi | onsemi |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Active | Active | Obsolete |
| Type | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener |
| Unidirectional Channels | 1 | 1 | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Bidirectional Channels | - | - | 1 | - | - | - | - | - | - | - |
| Voltage - Reverse Standoff (Typ) | 28V | 58V | 28V | 48V | 18V | 20V | 22V | 24V | 26V | 28V |
| Voltage - Breakdown (Min) | 31.1V | 64.4V | 31.1V | 53.3V | 20V | 22.2V | 24.4V | 26.7V | 28.9V | 31.1V |
| Voltage - Clamping (Max) @ Ipp | 45.4V | 93.6V | 45.4V | 77.4V | 29.2V | 32.4V | 35.5V | 38.9V | 42.1V | 45.4V |
| Current - Peak Pulse (10/1000µs) | 13.2A | 6.4A | 13.2A | 7.7A | 20.5A | 18.5A | 16.9A | 15.4A | 14.2A | 13.2A |
| Power - Peak Pulse | 600W | 600W | 600W | 600W | 600W | 600W | 600W | 600W | 600W | 600W |
| Power Line Protection | No | No | No | No | No | No | No | No | No | No |
| Applications | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | Telecom | Telecom | General Purpose |
| Capacitance @ Frequency | 590pF @ 1MHz | 310pF @ 1MHz | 310pF @ 1MHz | 365pF @ 1MHz | 870pF @ 1MHz | 790pF @ 1MHz | 730pF @ 1MHz | 675pF @ 1MHz | 630pF @ 1MHz | 590pF @ 1MHz |
| 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) | -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 | 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 | 425-FBGA | 425-FBGA | DO-214AA, SMB |
| Supplier Device Package | SMB | SMB | SMB | SMB | SMB | SMB | SMB | 425-TEPBGA I (19x19) | 425-TEPBGA I (19x19) | SMB |
