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| Part Number | 1KSMB43 | 1KSMB43A | 1KSMB47 | 1KSMB33 |
|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Product Status | Obsolete | Active | Obsolete | Obsolete |
| Type | Zener | Zener | Zener | Zener |
| Unidirectional Channels | 1 | 1 | 1 | 1 |
| Bidirectional Channels | - | - | - | - |
| Voltage - Reverse Standoff (Typ) | 36.8V | 36.8V | 40.2V | 28.2V |
| Voltage - Breakdown (Min) | 38.75V | 40.9V | 42.35V | 29.75V |
| Voltage - Clamping (Max) @ Ipp | 62.27V | 59.3V | 68.04V | 47.99V |
| Current - Peak Pulse (10/1000µs) | 16.9A | 16.9A | 15.4A | 21.9A |
| Power - Peak Pulse | 1000W (1kW) | 1000W (1kW) | 1000W (1kW) | 1000W (1kW) |
| Power Line Protection | No | No | No | No |
| Applications | 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) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 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) |
