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| Part Number | P4KE440C-B | P4KE440CA-B | P4KE480C-B | P4KE440C-G | P4KE400C-B | P4KE440-B | P4KE440A-B |
|---|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Comchip Technology | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Product Status | Obsolete | Active | Obsolete | Obsolete | Obsolete | Obsolete | Active |
| Type | Zener | Zener | Zener | Zener | Zener | Zener | Zener |
| Unidirectional Channels | - | - | - | - | - | 1 | 1 |
| Bidirectional Channels | 1 | 1 | 1 | 1 | 1 | - | - |
| Voltage - Reverse Standoff (Typ) | 376V | 376V | 408V | 356V | 342V | 376V | 376V |
| Voltage - Breakdown (Min) | 396V | 418V | 432V | 396V | 360V | 396V | 418V |
| Voltage - Clamping (Max) @ Ipp | 632.1V | 602V | 690.9V | 631V | 575.4V | 632.1V | 602V |
| Current - Peak Pulse (10/1000µs) | 680mA | 680mA | 610mA | 950mA | 750mA | 680mA | 680mA |
| Power - Peak Pulse | 400W | 400W | 400W | 400W | 400W | 400W | 400W |
| Power Line Protection | No | No | No | No | No | No | No |
| Applications | General Purpose | General Purpose | General Purpose | 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) | -55°C ~ 175°C (TJ) | -55°C ~ 175°C (TJ) | -55°C ~ 175°C (TJ) |
| Mounting Type | Through Hole | 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-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 | DO-204AL (DO-41) | DO-204AL (DO-41) | DO-204AL (DO-41) |
