| Part Number | P4KE540CA-B | P4KE510CA-B | 
|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | 
| Category | TVS - Diodes | TVS - Diodes | 
|   |   | |
| Product Status | Active | Active | 
| Type | Zener | Zener | 
| Unidirectional Channels | - | - | 
| Bidirectional Channels | 1 | 1 | 
| Voltage - Reverse Standoff (Typ) | 486V | 434V | 
| Voltage - Breakdown (Min) | 513V | 485V | 
| Voltage - Clamping (Max) @ Ipp | 740V | 698V | 
| Current - Peak Pulse (10/1000µs) | 540mA | 570mA | 
| Power - Peak Pulse | 400W | 400W | 
| Power Line Protection | No | No | 
| Applications | General Purpose | General Purpose | 
| Capacitance @ Frequency | - | - | 
| Operating Temperature | -55°C ~ 175°C (TJ) | -55°C ~ 175°C (TJ) | 
| Mounting Type | Through Hole | Through Hole | 
| Package / Case | DO-204AL, DO-41, Axial | DO-204AL, DO-41, Axial | 
| Supplier Device Package | DO-204AL (DO-41) | DO-204AL (DO-41) |