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| Part Number | 1SMB20AT3G | 1SMB20CAT3G | 1SMB24AT3G | 1SMB26AT3G | 1SMB22AT3G | 1SMB28AT3G | 1SMB30AT3G | 1SMB40AT3G | 1SMB10AT3G | 1SMB120AT3G | 1SMB20AT3 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | onsemi | onsemi | onsemi | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | onsemi | Littelfuse Inc. | onsemi |
| Product Status | Obsolete | Active | Active | Active | Obsolete | Obsolete | Obsolete | Obsolete | Active | Obsolete | Obsolete |
| Type | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener |
| Unidirectional Channels | 1 | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Bidirectional Channels | - | 1 | - | - | - | - | - | - | - | - | - |
| Voltage - Reverse Standoff (Typ) | 20V | 20V | 24V | 26V | 22V | 28V | 30V | 40V | 10V | 120V | 20V |
| Voltage - Breakdown (Min) | 22.2V | 22.2V | 26.7V | 28.9V | 24.4V | 31.1V | 33.3V | 44.4V | 11.1V | 133V | 22.2V |
| Voltage - Clamping (Max) @ Ipp | 32.4V | 32.4V | 38.9V | 42.1V | 35.5V | 45.4V | 48.4V | 64.5V | 17V | 193V | 32.4V |
| Current - Peak Pulse (10/1000µs) | 18.5A | 18.5A | 15.4A | 14.2A | 16.9A | 13.2A | 12.4A | 9.3A | 35.3A | 3.1A | 18.5A |
| Power - Peak Pulse | 600W | 600W | 600W | 600W | 600W | 600W | 600W | 600W | 600W | 600W | 600W |
| Power Line Protection | No | No | No | No | No | No | No | No | No | No | No |
| Applications | General Purpose | General Purpose | Telecom | Telecom | General Purpose | General Purpose | General Purpose | General Purpose | Telecom | General Purpose | General Purpose |
| Capacitance @ Frequency | 790pF @ 1MHz | 425pF @ 1MHz | 675pF @ 1MHz | 630pF @ 1MHz | 730pF @ 1MHz | 590pF @ 1MHz | 555pF @ 1MHz | 430pF @ 1MHz | 1460pF @ 1MHz | 160pF @ 1MHz | 790pF @ 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) | -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 | Surface Mount |
| Package / Case | DO-214AA, SMB | 425-FBGA | 425-FBGA | 425-FBGA | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB | 425-FBGA | DO-214AA, SMB | DO-214AA, SMB |
| Supplier Device Package | SMB | 425-TEPBGA I (19x19) | 425-TEPBGA I (19x19) | 425-TEPBGA I (19x19) | SMB | SMB | SMB | SMB | 425-TEPBGA I (19x19) | SMB | SMB |
