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| Part Number | P4KE400A | P4KE440A | P4KE400CA | P4KE400AH | P4KE400C | P4KE400 |
|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Taiwan Semiconductor Corporation | Diotec Semiconductor | Diotec Semiconductor |
| Product Status | Active | Active | Active | Active | Active | Active |
| Type | Zener | Zener | Zener | Zener | Zener | Zener |
| Unidirectional Channels | 1 | 1 | - | 1 | - | 1 |
| Bidirectional Channels | - | - | 1 | - | 1 | - |
| Voltage - Reverse Standoff (Typ) | 342V | 376V | 342V | 342V | 324V | 324V |
| Voltage - Breakdown (Min) | 380V | 418V | 380V | 380V | 360V | 360V |
| Voltage - Clamping (Max) @ Ipp | 548V | 602V | 548V | 548V | 574V | 574V |
| Current - Peak Pulse (10/1000µs) | 750mA | 680mA | 750mA | 760mA | 730mA | 730mA |
| Power - Peak Pulse | 400W | 400W | 400W | 400W | 400W | 400W |
| Power Line Protection | No | No | No | No | No | No |
| Applications | General Purpose | General Purpose | General Purpose | Automotive | General Purpose | General Purpose |
| Capacitance @ Frequency | - | - | - | - | - | - |
| Operating Temperature | -55°C ~ 175°C (TJ) | -55°C ~ 175°C (TJ) | -55°C ~ 175°C (TJ) | -55°C ~ 175°C (TJ) | -50°C ~ 175°C (TJ) | -50°C ~ 175°C (TJ) |
| Mounting Type | Through Hole | Through Hole | 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 | DO-204AC, DO-15, Axial | DO-204AC, DO-15, Axial |
| Supplier Device Package | DO-204AL (DO-41) | DO-204AL (DO-41) | DO-204AL (DO-41) | DO-204AL (DO-41) | DO15/DO204AC | DO15/DO204AC |
