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| Part Number | 1KSMBJ20 | 1KSMBJ24 | 1KSMBJ27 | 1KSMBJ30 | 1KSMBJ20C | 1KSMBJ22 | 1KSMBJ20A | 1KSMBJ10 |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Type | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener |
| Unidirectional Channels | 1 | 1 | 1 | 1 | - | 1 | 1 | 1 |
| Bidirectional Channels | - | - | - | - | 1 | - | - | - |
| Voltage - Reverse Standoff (Typ) | 16.2V | 19.4V | 21.8V | 24.3V | 16.2V | 17.8V | 17.1V | 8.1V |
| Voltage - Breakdown (Min) | 18V | 21.6V | 24.3V | 27V | 18V | 19.8V | 19V | 9V |
| Voltage - Clamping (Max) @ Ipp | 29.1V | 34.7V | 39.1V | 43.5V | 29.1V | 31.9V | 27.7V | 15V |
| Current - Peak Pulse (10/1000µs) | 35A | 28.3A | 25.5A | 22.9A | 35A | 31.7A | 36.7A | 66.7A |
| Power - Peak Pulse | 1000W (1kW) | 1000W (1kW) | 1000W (1kW) | 1000W (1kW) | 1000W (1kW) | 1000W (1kW) | 1000W (1kW) | 1000W (1kW) |
| Power Line Protection | No | No | No | No | No | No | No | No |
| Applications | Telecom | Telecom | Telecom | Telecom | Telecom | Telecom | Telecom | Telecom |
| 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) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | 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 | 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) | DO-214AA (SMBJ) | DO-214AA (SMBJ) |
