| Part Number | SZ1SMB51CAT3G | SZ1SMB58CAT3G | 
|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | 
| Category | TVS - Diodes | TVS - Diodes | 
| 
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| Product Status | Active | Active | 
| Type | Zener | Zener | 
| Unidirectional Channels | - | - | 
| Bidirectional Channels | 1 | 1 | 
| Voltage - Reverse Standoff (Typ) | 51V | 58V | 
| Voltage - Breakdown (Min) | 56.7V | 64.4V | 
| Voltage - Clamping (Max) @ Ipp | 82.4V | 93.6V | 
| Current - Peak Pulse (10/1000µs) | 7.3A | 6.4A | 
| Power - Peak Pulse | 600W | 600W | 
| Power Line Protection | No | No | 
| Applications | Automotive | Automotive | 
| Capacitance @ Frequency | 175pF @ 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 |