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| Part Number | 1KSMB27 | 1KSMB27A | 1KSMB47 | 1KSMB20 | 1KSMB22 | 1KSMB24 |
|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Product Status | Obsolete | Active | Obsolete | Obsolete | Obsolete | Obsolete |
| Type | Zener | Zener | Zener | Zener | Zener | Zener |
| Unidirectional Channels | 1 | 1 | 1 | 1 | 1 | 1 |
| Bidirectional Channels | - | - | - | - | - | - |
| Voltage - Reverse Standoff (Typ) | 23.1V | 23.1V | 40.2V | 17.1V | 18.8V | 20.5V |
| Voltage - Breakdown (Min) | 24.35V | 25.7V | 42.35V | 18V | 19.8V | 21.6V |
| Voltage - Clamping (Max) @ Ipp | 39.38V | 37.5V | 68.04V | 29.09V | 32.13V | 34.86V |
| Current - Peak Pulse (10/1000µs) | 26.7A | 26.7A | 15.4A | 36.1A | 32.7A | 30.1A |
| Power - Peak Pulse | 1000W (1kW) | 1000W (1kW) | 1000W (1kW) | 1000W (1kW) | 1000W (1kW) | 1000W (1kW) |
| Power Line Protection | No | No | No | No | No | No |
| Applications | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose |
| Capacitance @ Frequency | - | - | - | - | - | - |
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount | 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 | DO-214AA, SMB |
| Supplier Device Package | DO-214AA (SMBJ) | DO-214AA (SMBJ) | DO-214AA (SMBJ) | DO-214AA (SMBJ) | DO-214AA (SMBJ) | DO-214AA (SMBJ) |
