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| Part Number | P4KE56CA | P4KE56CAH | P4KE51CA | P4KE56A | P4KE56C |
|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Taiwan Semiconductor Corporation | SMC Diode Solutions | SMC Diode Solutions | Diotec Semiconductor |
| Product Status | Active | Active | Active | Active | Active |
| Type | Zener | Zener | Zener | Zener | Zener |
| Unidirectional Channels | - | - | - | 1 | - |
| Bidirectional Channels | 1 | 1 | 1 | - | 1 |
| Voltage - Reverse Standoff (Typ) | 47.8V | 47.8V | 43.6V | 45.6V | 45.4V |
| Voltage - Breakdown (Min) | 53.2V | 53.2V | 48.5V | 53.2V | 50.4V |
| Voltage - Clamping (Max) @ Ipp | 77V | 77V | 70.1V | 77V | 81V |
| Current - Peak Pulse (10/1000µs) | 5.3A | 5.4A | 6A | 5.5A | 5.2A |
| Power - Peak Pulse | 400W | 400W | 400W | 400W | 400W |
| Power Line Protection | No | No | No | No | No |
| Applications | General Purpose | Automotive | General Purpose | General Purpose | General Purpose |
| Capacitance @ Frequency | - | - | - | - | - |
| Operating Temperature | -55°C ~ 175°C (TJ) | -55°C ~ 175°C (TJ) | -65°C ~ 175°C (TJ) | -65°C ~ 175°C (TJ) | -50°C ~ 175°C (TJ) |
| Mounting Type | 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 |
| Supplier Device Package | DO-204AL (DO-41) | DO-204AL (DO-41) | DO-41 | DO-41 | DO15/DO204AC |
