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| Part Number | 1SMB48AT3G | 1SMB48CAT3G | 1SMB58AT3G | 1SMB18AT3G | 1SMB28AT3G | 1SMB40AT3G | 1SMB43AT3G | 1SMB45AT3G | 1SMB48AT3 |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | onsemi | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | onsemi | onsemi | onsemi |
| Product Status | Obsolete | Active | Obsolete | Obsolete | Obsolete | Obsolete | Active | Active | Obsolete |
| Type | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener |
| Unidirectional Channels | 1 | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Bidirectional Channels | - | 1 | - | - | - | - | - | - | - |
| Voltage - Reverse Standoff (Typ) | 48V | 48V | 58V | 18V | 28V | 40V | 43V | 45V | 48V |
| Voltage - Breakdown (Min) | 53.3V | 53.3V | 64.4V | 20V | 31.1V | 44.4V | 47.8V | 50V | 53.3V |
| Voltage - Clamping (Max) @ Ipp | 77.4V | 77.4V | 93.6V | 29.2V | 45.4V | 64.5V | 69.4V | 72.7V | 77.4V |
| Current - Peak Pulse (10/1000µs) | 7.7A | 7.7A | 6.4A | 20.5A | 13.2A | 9.3A | 8.6A | 8.3A | 7.7A |
| Power - Peak Pulse | 600W | 600W | 600W | 600W | 600W | 600W | 600W | 600W | 600W |
| Power Line Protection | 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 | General Purpose |
| Capacitance @ Frequency | 365pF @ 1MHz | 190pF @ 1MHz | 310pF @ 1MHz | 870pF @ 1MHz | 590pF @ 1MHz | 430pF @ 1MHz | 400pF @ 1MHz | 385pF @ 1MHz | 365pF @ 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) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | DO-214AA, SMB | 425-FBGA | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB |
| Supplier Device Package | SMB | 425-TEPBGA I (19x19) | SMB | SMB | SMB | SMB | SMB | SMB | SMB |
