| Part Number | P6SMBJ400A | P6SMBJ440A | 
|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | 
| Category | TVS - Diodes | TVS - Diodes | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Type | Zener | Zener | 
| Unidirectional Channels | 1 | 1 | 
| Bidirectional Channels | - | - | 
| Voltage - Reverse Standoff (Typ) | 342V | 376V | 
| Voltage - Breakdown (Min) | 380V | 418V | 
| Voltage - Clamping (Max) @ Ipp | 548V | 602V | 
| Current - Peak Pulse (10/1000µs) | 1.1A | 1A | 
| Power - Peak Pulse | 600W | 600W | 
| Power Line Protection | No | No | 
| Applications | General Purpose | General Purpose | 
| Capacitance @ Frequency | - | - | 
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | DO-214AA, SMB | DO-214AA, SMB | 
| Supplier Device Package | DO-214AA (SMBJ) | DO-214AA (SMBJ) |