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| Part Number | 1KSMB22A | 1KSMB27A | 1KSMB24A | 1KSMB22CA | 1KSMB22AH | 1KSMB22C | 1KSMB12A | 1KSMB20A | 1KSMB22 |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Taiwan Semiconductor Corporation | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Product Status | Active | Active | Active | Active | Active | Obsolete | Active | Active | Obsolete |
| Type | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener |
| Unidirectional Channels | 1 | 1 | 1 | - | 1 | - | 1 | 1 | 1 |
| Bidirectional Channels | - | - | - | 1 | - | 1 | - | - | - |
| Voltage - Reverse Standoff (Typ) | 18.8V | 23.1V | 20.5V | 18.8V | 18.8V | 18.8V | 10.2V | 17.1V | 18.8V |
| Voltage - Breakdown (Min) | 20.9V | 25.7V | 22.8V | 20.9V | 20.9V | 19.8V | 11.4V | 19V | 19.8V |
| Voltage - Clamping (Max) @ Ipp | 30.6V | 37.5V | 33.2V | 30.6V | 30.6V | 32.13V | 16.7V | 27.7V | 32.13V |
| Current - Peak Pulse (10/1000µs) | 32.7A | 26.7A | 30.1A | 32.7A | 32.7A | 32.7A | 59.9A | 36.1A | 32.7A |
| Power - Peak Pulse | 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 |
| Applications | General Purpose | General Purpose | General Purpose | General Purpose | Automotive | 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 ~ 175°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 |
| 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 |
| Supplier Device Package | DO-214AA (SMBJ) | DO-214AA (SMBJ) | DO-214AA (SMBJ) | DO-214AA (SMBJ) | DO-214AA (SMB) | DO-214AA (SMBJ) | DO-214AA (SMBJ) | DO-214AA (SMBJ) | DO-214AA (SMBJ) |
