Overview
The 1SMB5943BT3G is a 3.0 W Zener diode produced by onsemi, designed for general purpose voltage regulation applications. This device is part of the 1SMB59 series, which offers a wide range of Zener voltages from 3.3 V to 200 V. The 1SMB5943BT3G is specifically rated at a nominal Zener voltage of 56 V, making it suitable for various voltage regulation, waveform clipping, and MOSFET gate protection tasks.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage (VZ) | 53.2 - 58.8 | V |
| Nominal Zener Voltage | 56 | V |
| Maximum Zener Impedance (ZZT) | 6.7 | mΩ |
| Reverse Current (IZT) | 6.7 | mA |
| Maximum DC Zener Current (IZM) | 400 | mA |
| Power Dissipation | 3 | W |
| ESD Rating | Class 3 (>16 kV) per Human Body Model | - |
| Package Type | SMB (DO-214AA) | - |
| Lead Temperature for Soldering | 260°C for 10 seconds | - |
| Flammability Rating | UL 94 V-0 | - |
| AEC-Q101 Qualification | Yes | - |
Key Features
- Zener Voltage Range: 53.2 V to 58.8 V with a nominal voltage of 56 V.
- High Power Dissipation: 3 W, suitable for demanding applications.
- ESD Rating: Class 3 (>16 kV) per Human Body Model, providing robust protection against electrostatic discharge.
- Flat Handling Surface: Ensures accurate placement and handling during assembly.
- Package Design: Suitable for top side or bottom circuit board mounting.
- Modified L-Bend Leads: Provides more contact area to bond pads, enhancing reliability.
- Pb-Free Package: Compliant with environmental regulations.
- AEC-Q101 Qualified and PPAP Capable: Suitable for automotive and other applications requiring stringent quality standards.
Applications
- Voltage Regulation: Ideal for stabilizing voltage in power supplies and other electronic circuits.
- Waveform Clipping: Used to limit voltage peaks in signal processing and protection circuits.
- MOSFET Gate Protection: Protects MOSFET gates from overvoltage conditions.
- General Purpose Usage: Suitable for a wide range of electronic devices requiring voltage regulation and protection.
Q & A
- What is the nominal Zener voltage of the 1SMB5943BT3G? The nominal Zener voltage is 56 V.
- What is the maximum power dissipation of the 1SMB5943BT3G? The maximum power dissipation is 3 W.
- What is the ESD rating of the 1SMB5943BT3G? The ESD rating is Class 3 (>16 kV) per Human Body Model.
- What type of package does the 1SMB5943BT3G use? The package type is SMB (DO-214AA).
- Is the 1SMB5943BT3G Pb-Free? Yes, the 1SMB5943BT3G is Pb-Free.
- What is the flammability rating of the 1SMB5943BT3G? The flammability rating is UL 94 V-0.
- Is the 1SMB5943BT3G AEC-Q101 Qualified? Yes, the 1SMB5943BT3G is AEC-Q101 Qualified and PPAP Capable.
- What is the maximum lead temperature for soldering? The maximum lead temperature for soldering is 260°C for 10 seconds.
- What are some common applications of the 1SMB5943BT3G? Common applications include voltage regulation, waveform clipping, MOSFET gate protection, and general purpose usage in electronic devices.
- Does the 1SMB5943BT3G have a flat handling surface? Yes, it has a flat handling surface for accurate placement during assembly.
