| Applications | Automotive, Telecom |
| Base Product Number | SMBJ40 |
| Bidirectional Channels | 1 |
| Capacitance @ Frequency | - |
| Category | Circuit Protection |
| Current - Peak Pulse (10/1000?s) | 9.3A |
| Mfr | Bourns Inc. |
| Mounting Type | Surface Mount |
| Operating Temperature | -55?C ~ 150?C (TJ) |
| Package | Tape & Reel (TR) |
| Package / Case | DO-214AA, SMB |
| Part Status | Active |
| Power - Peak Pulse | 600W |
| Power Line Protection | No |
| Series | Automotive, AEC-Q101, SMBJ-Q |
| Supplier Device Package | SMB (DO-214AA) |
| Type | Zener |
| Voltage - Breakdown (Min) | 44.4V |
| Voltage - Clamping (Max) @ Ipp | 64.5V |
| Voltage - Reverse Standoff (Typ) | 40V |