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| Part Number | 20KPA52C-B | 20KPA52CA-B | 20KPA72C-B | 20KPA56C-B | 20KPA32C-B | 20KPA52-B | 20KPA52A-B |
|---|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Product Status | Obsolete | Active | Obsolete | Obsolete | Obsolete | Obsolete | Active |
| Type | Zener | Zener | Zener | Zener | Zener | Zener | Zener |
| Unidirectional Channels | - | - | - | - | - | 1 | 1 |
| Bidirectional Channels | 1 | 1 | 1 | 1 | 1 | - | - |
| Voltage - Reverse Standoff (Typ) | 52V | 52V | 72V | 56V | 32V | 52V | 52V |
| Voltage - Breakdown (Min) | 54.9V | 58.1V | 75.98V | 59.16V | 33.77V | 54.9V | 58.1V |
| Voltage - Clamping (Max) @ Ipp | 90.09V | 85.8V | 121.8V | 97.23V | 57.02V | 90.09V | 85.8V |
| Current - Peak Pulse (10/1000µs) | 235.4A | 235.4A | 174.1A | 218.1A | 372A | 235.4A | 235.4A |
| Power - Peak Pulse | 20000W (20kW) | 20000W (20kW) | 20000W (20kW) | 20000W (20kW) | 20000W (20kW) | 20000W (20kW) | 20000W (20kW) |
| Power Line Protection | No | No | No | No | No | No | No |
| Applications | 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) |
| Mounting Type | 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 |
| Supplier Device Package | P600 | P600 | P600 | P600 | P600 | P600 | P600 |
