



Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
| Attributes | Value | |
|---|---|---|
| Category | Diodes/Zener Diodes | |
| Manufacturer | LGE | |
| Package | SMB | |
| Operating Junction Temperature Range | -65℃~+150℃ | |
| Impedance(Zzk) | 950Ω | |
| Diode Configuration | 1 Independent | |
| Impedance(Zzt) | 53Ω | |
| Zener Voltage(Range) | 42.1V~44.56V | |
| Zener Voltage(Nom) | 43V | |
| Pd - Power Dissipation | 550mW | |
| Reverse Leakage Current (Ir) | 1uA@32.7V |

* Images are for reference only
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.

* Images are for reference only
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
1SMB5940B technical specifications, attributes, and parameters.
| Attributes | Value | |
|---|---|---|
| Category | Diodes/Zener Diodes | |
| Manufacturer | LGE | |
| Package | SMB | |
| Operating Junction Temperature Range | -65℃~+150℃ | |
| Impedance(Zzk) | 950Ω | |
| Diode Configuration | 1 Independent | |
| Impedance(Zzt) | 53Ω | |
| Zener Voltage(Range) | 42.1V~44.56V | |
| Zener Voltage(Nom) | 43V | |
| Pd - Power Dissipation | 550mW | |
| Reverse Leakage Current (Ir) | 1uA@32.7V |
From components to fully assembled PCBs. JLCPCB supports PCB assembly for the 1SMB5940B. Sign up to receive and start your assembly today →
Step 1 - Pre-order the parts you need from JLCPCB.
Step 2 - Place a PCBA order to have those parts assembled onto your boards.
Step 3 - JLCPCB manufactures and assembles your boards in as fast as 3 days.

1SMB5940B datasheets or manufacturer documentation.
Datasheet: 1SMB5940B Datasheet (PDF)
The 1SMB5940B schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.