| Part Number | 1SMB13AT3G | 1SMB18AT3G | 
|---|---|---|
| Manufacturer | onsemi | Littelfuse Inc. | 
| Category | TVS - Diodes | TVS - Diodes | 
| 
                             | 
                                                        
                             | 
                                                    |
| Product Status | Active | Obsolete | 
| Type | Zener | Zener | 
| Unidirectional Channels | 1 | 1 | 
| Bidirectional Channels | - | - | 
| Voltage - Reverse Standoff (Typ) | 13V | 18V | 
| Voltage - Breakdown (Min) | 14.4V | 20V | 
| Voltage - Clamping (Max) @ Ipp | 21.5V | 29.2V | 
| Current - Peak Pulse (10/1000µs) | 27.9A | 20.5A | 
| Power - Peak Pulse | 600W | 600W | 
| Power Line Protection | No | No | 
| Applications | General Purpose | General Purpose | 
| Capacitance @ Frequency | 1160pF @ 1MHz | 870pF @ 1MHz | 
| Operating Temperature | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | DO-214AA, SMB | DO-214AA, SMB | 
| Supplier Device Package | SMB | SMB |