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| Part Number | 1.5KE56A | 1.5KE56CA | 1.5KE56AH | 1.5KE56C | 1.5KE56AG | 1.5KE51A | 1.5KE56 |
|---|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Taiwan Semiconductor Corporation | Diotec Semiconductor | onsemi | Littelfuse Inc. | Diotec Semiconductor |
| Product Status | Active | Active | Active | Active | Obsolete | Active | Active |
| Type | Zener | Zener | Zener | Zener | Zener | Zener | Zener |
| Unidirectional Channels | 1 | - | 1 | - | 1 | 1 | 1 |
| Bidirectional Channels | - | 1 | - | 1 | - | - | - |
| Voltage - Reverse Standoff (Typ) | 47.8V | 47.8V | 47.8V | 45.4V | 47.8V | 43.6V | 45.4V |
| Voltage - Breakdown (Min) | 53.2V | 53.2V | 53.2V | 50.4V | 53.2V | 48.5V | 50.4V |
| Voltage - Clamping (Max) @ Ipp | 77V | 77V | 77V | 81V | 77V | 70.1V | 81V |
| Current - Peak Pulse (10/1000µs) | 19.7A | 19.7A | 20A | 19A | 19.5A | 21.7A | 19A |
| Power - Peak Pulse | 1500W (1.5kW) | 1500W (1.5kW) | 1500W (1.5kW) | 1500W (1.5kW) | 1500W (1.5kW) | 1500W (1.5kW) | 1500W (1.5kW) |
| Power Line Protection | No | No | No | No | No | No | No |
| Applications | General Purpose | General Purpose | Automotive | 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) | -50°C ~ 175°C (TJ) | -65°C ~ 175°C (TJ) | -55°C ~ 175°C (TJ) | -50°C ~ 175°C (TJ) |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Package / Case | DO-201AA, DO-27, Axial | DO-201AA, DO-27, Axial | DO-201AA, DO-27, Axial | Axial | DO-201AD, Axial | DO-201AA, DO-27, Axial | Axial |
| Supplier Device Package | DO-201 | DO-201 | DO-201 | Axial | Axial | DO-201 | Axial |
