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| Part Number | P4KE350-B | P4KE350A-B | P4KE350C-B | P4KE350-G | 
|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Comchip Technology | 
| Product Status | Obsolete | Active | Obsolete | Obsolete | 
| Type | Zener | Zener | Zener | Zener | 
| Unidirectional Channels | 1 | 1 | - | 1 | 
| Bidirectional Channels | - | - | 1 | - | 
| Voltage - Reverse Standoff (Typ) | 300V | 300V | 300V | 284V | 
| Voltage - Breakdown (Min) | 315V | 332V | 315V | 315V | 
| Voltage - Clamping (Max) @ Ipp | 506.1V | 482V | 506.1V | 504V | 
| Current - Peak Pulse (10/1000µs) | 850mA | 850mA | 850mA | 800mA | 
| Power - Peak Pulse | 400W | 400W | 400W | 400W | 
| Power Line Protection | No | No | No | No | 
| Applications | General Purpose | General Purpose | General Purpose | General Purpose | 
| Capacitance @ Frequency | - | - | - | - | 
| Operating Temperature | -55°C ~ 175°C (TJ) | -55°C ~ 175°C (TJ) | -55°C ~ 175°C (TJ) | -65°C ~ 175°C (TJ) | 
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | 
| Package / Case | DO-204AL, DO-41, Axial | DO-204AL, DO-41, Axial | DO-204AL, DO-41, Axial | DO-204AL, DO-41, Axial | 
| Supplier Device Package | DO-204AL (DO-41) | DO-204AL (DO-41) | DO-204AL (DO-41) | DO-41 |