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| Part Number | 20KPA26A-B | 20KPA56A-B | 20KPA36A-B | 20KPA28A-B | 20KPA26CA-B | 20KPA26C-B | 20KPA20A-B | 20KPA216A-B | 20KPA24A-B | 20KPA256A-B | 20KPA26-B |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | 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 | Obsolete | Active | Active | Active | Active | Obsolete |
| Type | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener |
| Unidirectional Channels | 1 | 1 | 1 | 1 | - | - | 1 | 1 | 1 | 1 | 1 |
| Bidirectional Channels | - | - | - | - | 1 | 1 | - | - | - | - | - |
| Voltage - Reverse Standoff (Typ) | 26V | 56V | 36V | 28V | 26V | 26V | 20V | 216V | 24V | 256V | 26V |
| Voltage - Breakdown (Min) | 29.04V | 62.6V | 40.2V | 31.28V | 29.04V | 27.44V | 22.34V | 241.3V | 26.81V | 286V | 27.44V |
| Voltage - Clamping (Max) @ Ipp | 44.7V | 92.6V | 61.5V | 48V | 44.7V | 46.94V | 36.8V | 348V | 41.2V | 412V | 46.94V |
| Current - Peak Pulse (10/1000µs) | 451.9A | 218.1A | 328.5A | 420.8A | 451.9A | 451.9A | 548.9A | 58A | 490.3A | 49A | 451.9A |
| 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) |
| Power Line Protection | 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 |
| 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) |
| Mounting Type | 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 |
| Supplier Device Package | P600 | P600 | P600 | P600 | P600 | P600 | P600 | P600 | P600 | P600 | P600 |
