| Part Number | 1SMA28AT3G | 1SMA22AT3G |
|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. |
| Category | TVS - Diodes | TVS - Diodes |
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| Product Status | Obsolete | Obsolete |
| Type | Zener | Zener |
| Unidirectional Channels | 1 | 1 |
| Bidirectional Channels | - | - |
| Voltage - Reverse Standoff (Typ) | 28V | 22V |
| Voltage - Breakdown (Min) | 31.1V | 24.4V |
| Voltage - Clamping (Max) @ Ipp | 45.4V | 35.5V |
| Current - Peak Pulse (10/1000µs) | 8.8A | 11.3A |
| Power - Peak Pulse | 400W | 400W |
| Power Line Protection | No | No |
| Applications | General Purpose | General Purpose |
| Capacitance @ Frequency | 430pF @ 1MHz | 540pF @ 1MHz |
| Operating Temperature | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | DO-214AC, SMA | DO-214AC, SMA |
| Supplier Device Package | SMA | SMA |