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| Part Number | P4KE480A-B | P4KE480CA-B | P4KE480C-B | P4KE440A-B | P4KE480-B | 
|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | 
| Product Status | Active | Active | Obsolete | Active | Obsolete | 
| Type | Zener | Zener | Zener | Zener | Zener | 
| Unidirectional Channels | 1 | - | - | 1 | 1 | 
| Bidirectional Channels | - | 1 | 1 | - | - | 
| Voltage - Reverse Standoff (Typ) | 408V | 408V | 408V | 376V | 408V | 
| Voltage - Breakdown (Min) | 456V | 456V | 432V | 418V | 432V | 
| Voltage - Clamping (Max) @ Ipp | 658V | 658V | 690.9V | 602V | 690.9V | 
| Current - Peak Pulse (10/1000µs) | 610mA | 610mA | 610mA | 680mA | 610mA | 
| Power - Peak Pulse | 400W | 400W | 400W | 400W | 400W | 
| Power Line Protection | No | No | No | No | No | 
| Applications | 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) | -55°C ~ 175°C (TJ) | -55°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-204AL, DO-41, Axial | 
| Supplier Device Package | DO-204AL (DO-41) | DO-204AL (DO-41) | DO-204AL (DO-41) | DO-204AL (DO-41) | DO-204AL (DO-41) |