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| Part Number | 1.5SMB51A | 1.5SMB91A | 1.5SMB56A | 1.5SMB51CA | 1.5SMBJ51A |
|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Bourns Inc. |
| Product Status | Active | Active | Active | Active | Active |
| Type | Zener | Zener | Zener | Zener | Zener |
| Unidirectional Channels | 1 | 1 | 1 | - | 1 |
| Bidirectional Channels | - | - | - | 1 | - |
| Voltage - Reverse Standoff (Typ) | 43.6V | 77.8V | 47.8V | 43.6V | 51V |
| Voltage - Breakdown (Min) | 48.5V | 86.5V | 53.2V | 48.5V | 56.7V |
| Voltage - Clamping (Max) @ Ipp | 70.1V | 125V | 99.5V | 70.1V | 82.4V |
| Current - Peak Pulse (10/1000µs) | 21.7A | 12.2A | 108.4A (8/20µs) | 21.7A | 18.2A |
| Power - Peak Pulse | 1500W (1.5kW) | 1500W (1.5kW) | 1500W (1.5kW) | 1500W (1.5kW) | 1500W (1.5kW) |
| Power Line Protection | No | No | No | No | No |
| Applications | Telecom | Telecom | Telecom | Telecom | General Purpose |
| Capacitance @ Frequency | - | - | - | - | - |
| Operating Temperature | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB |
| Supplier Device Package | DO-214AA (SMBJ) | DO-214AA (SMBJ) | DO-214AA (SMBJ) | DO-214AA (SMBJ) | SMB (DO-214AA) |
