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| Part Number | 3KP43-B | 3KP48-B | 3KP45-B | 3KP43A-B | 3KP43C-B | 3KP33-B | 3KP40-B |
|---|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Type | Zener | Zener | Zener | Zener | Zener | Zener | Zener |
| Unidirectional Channels | 1 | 1 | 1 | 1 | - | 1 | 1 |
| Bidirectional Channels | - | - | - | - | 1 | - | - |
| Voltage - Reverse Standoff (Typ) | 43V | 48V | 45V | 43V | 43V | 33V | 40V |
| Voltage - Breakdown (Min) | 45.27V | 50.49V | 47.39V | 47.8V | 45.27V | 34.79V | 42.08V |
| Voltage - Clamping (Max) @ Ipp | 72.87V | 81.27V | 76.34V | 69.4V | 72.87V | 55.97V | 67.73V |
| Current - Peak Pulse (10/1000µs) | 43.2A | 38.8A | 41.3A | 43.2A | 43.2A | 56.3A | 46.5A |
| Power - Peak Pulse | 3000W (3kW) | 3000W (3kW) | 3000W (3kW) | 3000W (3kW) | 3000W (3kW) | 3000W (3kW) | 3000W (3kW) |
| 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 |
