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| Part Number | P4KE22A-B | P4KE22A-G | P4KE24A-B | P4KE22CA-B | P4KE22C-B | P4KE20A-B | P4KE22-B | P4KE220-B | P4KE220A-B |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Comchip Technology | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Product Status | Active | Active | Active | Active | Obsolete | Active | Obsolete | Obsolete | Active |
| Type | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener |
| Unidirectional Channels | 1 | 1 | 1 | - | - | 1 | 1 | 1 | 1 |
| Bidirectional Channels | - | - | - | 1 | 1 | - | - | - | - |
| Voltage - Reverse Standoff (Typ) | 18.8V | 18.8V | 20.5V | 18.8V | 18.8V | 17.1V | 18.8V | 185V | 185V |
| Voltage - Breakdown (Min) | 20.9V | 20.9V | 22.8V | 20.9V | 19.8V | 19V | 19.8V | 198V | 209V |
| Voltage - Clamping (Max) @ Ipp | 30.6V | 30.6V | 33.2V | 30.6V | 32.13V | 27.7V | 32.13V | 344.4V | 328V |
| Current - Peak Pulse (10/1000µs) | 13.4A | 13.07A | 12.3A | 13.4A | 13.4A | 14.8A | 13.4A | 1.3A | 1.3A |
| Power - Peak Pulse | 400W | 400W | 400W | 400W | 400W | 400W | 400W | 400W | 400W |
| Power Line Protection | No | No | No | No | No | No | No | No | No |
| Applications | General Purpose | General Purpose | 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 ~ 150°C (TJ) | -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) | -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 | 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 | DO-204AL, DO-41, Axial | DO-204AL, DO-41, Axial |
| Supplier Device Package | DO-204AL (DO-41) | DO-41 | DO-204AL (DO-41) | DO-204AL (DO-41) | DO-204AL (DO-41) | DO-204AL (DO-41) | DO-204AL (DO-41) | DO-204AL (DO-41) | DO-204AL (DO-41) |
