| Applications | Automotive |
| Base Product Number | SMAJ51 |
| Capacitance @ Frequency | - |
| Category | Circuit Protection |
| Current - Peak Pulse (10/1000?s) | 4.9A |
| Mfr | Vishay General Semiconductor - Diodes Division |
| Mounting Type | Surface Mount |
| Operating Temperature | -55?C ~ 150?C (TJ) |
| Package | Tape & Reel (TR) |
| Package / Case | DO-214AC, SMA |
| Power - Peak Pulse | 400W |
| Power Line Protection | No |
| Product Status | Active |
| Series | Automotive, AEC-Q101, TransZorb? |
| Supplier Device Package | DO-214AC (SMA) |
| Type | Zener |
| Unidirectional Channels | 1 |
| Voltage - Breakdown (Min) | 56.7V |
| Voltage - Clamping (Max) @ Ipp | 82.4V |
| Voltage - Reverse Standoff (Typ) | 51V |