| Part Number | 1SMB18CAT3 | 1SMB58CAT3 | 
|---|---|---|
| Manufacturer | onsemi | onsemi | 
| Category | TVS - Diodes | TVS - Diodes | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Type | Zener | Zener | 
| Unidirectional Channels | - | - | 
| Bidirectional Channels | 1 | 1 | 
| Voltage - Reverse Standoff (Typ) | 18V | 58V | 
| Voltage - Breakdown (Min) | 20V | 64.4V | 
| Voltage - Clamping (Max) @ Ipp | 29.2V | 93.6V | 
| Current - Peak Pulse (10/1000µs) | 20.5A | 6.4A | 
| Power - Peak Pulse | 600W | 600W | 
| Power Line Protection | No | No | 
| Applications | General Purpose | General Purpose | 
| Capacitance @ Frequency | 465pF @ 1MHz | 155pF @ 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 |