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| Part Number | 1KSMB18A | 1KSMB18CA | 1KSMB18AH | 1KSMB18C | 1KSMB10A | 1KSMB11A | 1KSMB12A | 1KSMB13A | 1KSMB15A | 1KSMB16A | 1KSMB18 | 1KSMB180A |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Taiwan Semiconductor Corporation | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Product Status | Active | Active | Active | Obsolete | Active | Active | Active | Active | Active | Active | Obsolete | Active |
| Type | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener | Zener |
| Unidirectional Channels | 1 | - | 1 | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Bidirectional Channels | - | 1 | - | 1 | - | - | - | - | - | - | - | - |
| Voltage - Reverse Standoff (Typ) | 15.3V | 15.3V | 15.3V | 15.3V | 8.55V | 9.4V | 10.2V | 11.1V | 12.8V | 13.6V | 15.3V | 153V |
| Voltage - Breakdown (Min) | 17.1V | 17.1V | 17.1V | 16.2V | 9.5V | 10.5V | 11.4V | 12.4V | 14.3V | 15.2V | 16.2V | 171V |
| Voltage - Clamping (Max) @ Ipp | 25.5V | 25.5V | 25.5V | 26.78V | 14.5V | 15.6V | 16.7V | 18.2V | 21.2V | 22.5V | 26.78V | 246V |
| Current - Peak Pulse (10/1000µs) | 39.2A | 39.2A | 39.2A | 39.2A | 69A | 64.1A | 59.9A | 54.9A | 47.2A | 44.4A | 39.2A | 4.1A |
| Power - Peak Pulse | 1000W (1kW) | 1000W (1kW) | 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 | No | No |
| Applications | General Purpose | General Purpose | Automotive | General Purpose | General Purpose | General Purpose | 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 ~ 175°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 | 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 | DO-214AA, SMB | DO-214AA, SMB |
| Supplier Device Package | DO-214AA (SMBJ) | DO-214AA (SMBJ) | DO-214AA (SMB) | 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) |
