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| Part Number | 20KPA172C-B | 20KPA172CA-B | 20KPA192C-B | 20KPA112C-B | 20KPA132C-B | 20KPA172-B | 20KPA172A-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) | 172V | 172V | 192V | 112V | 132V | 172V | 172V |
| Voltage - Breakdown (Min) | 181.53V | 192.1V | 202.7V | 118.22V | 139.29V | 181.53V | 192.1V |
| Voltage - Clamping (Max) @ Ipp | 290.85V | 277V | 324.45V | 191.1V | 223.65V | 290.85V | 277V |
| Current - Peak Pulse (10/1000µs) | 72.9A | 72.9A | 65.4A | 111A | 94.8A | 72.9A | 72.9A |
| 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 |
