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| Part Number | 1KSMBJ20A | 1KSMBJ20C | 1KSMBJ20CA | 1KSMBJ22A | 1KSMBJ24A | 1KSMBJ27A | 1KSMBJ30A | 1KSMBJ10A | 1KSMBJ120A | 1KSMBJ20 |
|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | 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 | Obsolete | Obsolete |
| Type | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener |
| Unidirectional Channels | 1 | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Bidirectional Channels | - | 1 | 1 | - | - | - | - | - | - | - |
| Voltage - Reverse Standoff (Typ) | 17.1V | 16.2V | 17.1V | 18.8V | 20.5V | 23.1V | 25.6V | 8.55V | 102V | 16.2V |
| Voltage - Breakdown (Min) | 19V | 18V | 19V | 20.9V | 22.8V | 25.7V | 28.5V | 9.5V | 114V | 18V |
| Voltage - Clamping (Max) @ Ipp | 27.7V | 29.1V | 27.7V | 30.6V | 33.2V | 37.5V | 41.4V | 14.5V | 165V | 29.1V |
| Current - Peak Pulse (10/1000µs) | 36.7A | 35A | 36.7A | 33.3A | 30A | 26.7A | 24A | 68.3A | 6.1A | 35A |
| Power - Peak Pulse | 1000W (1kW) | 1000W (1kW) | 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 | No | No |
| Applications | Telecom | Telecom | 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) | -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 | 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 | 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) | DO-214AA (SMBJ) | DO-214AA (SMBJ) |
