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| Part Number | 20KPA24A-B | 20KPA34A-B | 20KPA44A-B | 20KPA28A-B | 20KPA26A-B | 20KPA24CA-B | 20KPA24C-B | 20KPA204A-B | 20KPA20A-B | 20KPA24-B | 20KPA240-B | 20KPA240A-B |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Product Status | Active | Active | Active | Active | Active | Active | Obsolete | Active | Active | Obsolete | Obsolete | Active |
| Type | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener |
| Unidirectional Channels | 1 | 1 | 1 | 1 | 1 | - | - | 1 | 1 | 1 | 1 | 1 |
| Bidirectional Channels | - | - | - | - | - | 1 | 1 | - | - | - | - | - |
| Voltage - Reverse Standoff (Typ) | 24V | 34V | 44V | 28V | 26V | 24V | 24V | 204V | 20V | 24V | 240V | 240V |
| Voltage - Breakdown (Min) | 26.81V | 38V | 49.1V | 31.28V | 29.04V | 26.81V | 25.34V | 227.9V | 22.34V | 25.34V | 253.35V | 268.1V |
| Voltage - Clamping (Max) @ Ipp | 41.2V | 57.5V | 72.7V | 48V | 44.7V | 41.2V | 43.26V | 329V | 36.8V | 43.26V | 406.35V | 387V |
| Current - Peak Pulse (10/1000µs) | 490.3A | 351.3A | 277.9A | 420.8A | 451.9A | 490.3A | 490.3A | 61.4A | 548.9A | 490.3A | 52.2A | 52.2A |
| Power - Peak Pulse | 20000W (20kW) | 20000W (20kW) | 20000W (20kW) | 20000W (20kW) | 20000W (20kW) | 20000W (20kW) | 20000W (20kW) | 20000W (20kW) | 20000W (20kW) | 20000W (20kW) | 20000W (20kW) | 20000W (20kW) |
| Power Line Protection | No | No | No | 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 | 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) | -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 | Through Hole | Through Hole | Through Hole |
| Package / Case | P600, Axial | P600, Axial | P600, Axial | P600, Axial | P600, Axial | P600, Axial | P600, Axial | P600, Axial | P600, Axial | P600, Axial | P600, Axial | P600, Axial |
| Supplier Device Package | P600 | P600 | P600 | P600 | P600 | P600 | P600 | P600 | P600 | P600 | P600 | P600 |
