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| Part Number | 20KPA20CA-B | 20KPA30CA-B | 20KPA26CA-B | 20KPA28CA-B | 20KPA24CA-B | 20KPA280CA-B | 20KPA240CA-B | 20KPA120CA-B | 20KPA204A-B | 20KPA204CA-B | 20KPA20A-B | 20KPA20C-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 | Active | Active | Active | Active | Active | Obsolete |
| Type | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener |
| Unidirectional Channels | - | - | - | - | - | - | - | - | 1 | - | 1 | - |
| Bidirectional Channels | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | 1 | - | 1 |
| Voltage - Reverse Standoff (Typ) | 20V | 30V | 26V | 28V | 24V | 280V | 240V | 120V | 204V | 204V | 20V | 20V |
| Voltage - Breakdown (Min) | 22.34V | 33.51V | 29.04V | 31.28V | 26.81V | 312.8V | 268.1V | 134V | 227.9V | 227.9V | 22.34V | 21.11V |
| Voltage - Clamping (Max) @ Ipp | 36.8V | 51.5V | 44.7V | 48V | 41.2V | 451V | 387V | 194V | 329V | 329V | 36.8V | 38.64V |
| Current - Peak Pulse (10/1000µs) | 548.9A | 392.2A | 451.9A | 420.8A | 490.3A | 44.8A | 52.2A | 104.1A | 61.4A | 61.4A | 548.9A | 548.9A |
| 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 |
