| Part Numbers | Manufacturer Name | Datasheet | Voltage - Clamping | Voltage - Off State | Voltage - On State | Unidirectional Channels | Bidirectional Channels | Voltage - Reverse Standoff (Typ) | Voltage - Breakdown (Min) | Current - Peak Pulse | Power - Peak Pulse | Power Line Protection | Capacitance @ Frequency | Operating Temperature | Mounting Type | Package / Case |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P4KE550 | LITTELFUSE INC | 798V | - | - | 1 | - | 495V | 495V | 520mA | 400W | No | - | -55°C ~ 150°C | Through Hole | DO-204AL, DO-41, Axial | |
| P4SMA550 | LITTELFUSE INC | 798V | - | - | 1 | - | 495V | 496.38V | 500mA | 400W | No | - | -55°C ~ 150°C | Surface Mount | DO-214AC, SMA | |
| P6KE550 | LITTELFUSE INC | 798V | - | - | 1 | - | 495V | 495V | - | 600W | No | - | -55°C ~ 150°C | Through Hole | DO-204AC, DO-15, Axial | |
| P6KE550C | LITTELFUSE INC | 798V | - | - | - | 1 | 495V | 495V | - | 600W | No | - | -55°C ~ 150°C | Through Hole | DO-204AC, DO-15, Axial | |
| P4KE550C | LITTELFUSE INC | 798V | - | - | - | 1 | 495V | 495V | 520mA | 400W | No | - | -55°C ~ 150°C | Through Hole | DO-204AL, DO-41, Axial | |
| P4SMA550C | LITTELFUSE INC | 798V | - | - | - | 1 | 495V | 496.38V | 500mA | 400W | No | - | -55°C ~ 150°C | Surface Mount | DO-214AC, SMA | |
| P6SMB550 | LITTELFUSE INC | 798V | - | - | 1 | - | 495V | 495V | 800mA | 600W | No | - | -55°C ~ 150°C | Surface Mount | DO-214AA, SMB | |
| P6SMB550C | LITTELFUSE INC | 798V | - | - | - | 1 | 495V | 495V | 800mA | 600W | No | - | -55°C ~ 150°C | Surface Mount | DO-214AA, SMB | |
| P4KE550-B | LITTELFUSE INC | 798V | - | - | 1 | - | 495V | 495V | 520mA | 400W | No | - | -55°C ~ 150°C | Through Hole | DO-204AL, DO-41, Axial | |
| P4KE550C-B | LITTELFUSE INC | 798V | - | - | - | 1 | 495V | 495V | 520mA | 400W | No | - | -55°C ~ 150°C | Through Hole | DO-204AL, DO-41, Axial |
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