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| Part Number | 1KSMB33A | 1KSMB36A | 1KSMB39A | 1KSMB33CA | 1KSMB43A | 1KSMB33AH | 1KSMB33C | 1KSMB13A | 1KSMB30A | 1KSMB33 |
|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | 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 | Active | Obsolete | Active | Active | 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) | 28.2V | 30.8V | 33.3V | 28.2V | 36.8V | 28.2V | 28.2V | 11.1V | 25.6V | 28.2V |
| Voltage - Breakdown (Min) | 31.4V | 34.2V | 37.1V | 31.4V | 40.9V | 31.4V | 29.75V | 12.4V | 28.5V | 29.75V |
| Voltage - Clamping (Max) @ Ipp | 45.7V | 49.9V | 53.9V | 45.7V | 59.3V | 45.7V | 47.99V | 18.2V | 41.4V | 47.99V |
| Current - Peak Pulse (10/1000µs) | 21.9A | 20A | 18.6A | 21.9A | 16.9A | 21.9A | 21.9A | 54.9A | 24.2A | 21.9A |
| 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 | General Purpose | 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 ~ 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 | 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 (SMB) | DO-214AA (SMBJ) | DO-214AA (SMBJ) | DO-214AA (SMBJ) | DO-214AA (SMBJ) |
