Overview
The SZ1SMB5931BT3G is a 3-watt Zener diode produced by onsemi, designed for voltage regulation and transient protection. This device is part of the SZ1SMB59xxT3G series, which is AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other demanding applications. The SZ1SMB5931BT3G features a Zener voltage of 18 volts with a tolerance of ±5%, and it is packaged in a surface-mount SMB (DO-214) case.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage (VZ) | 17.1 - 18.9 | V |
| Zener Voltage Tolerance | ±5% | |
| Maximum Power Dissipation | 3 W | |
| Maximum Steady State Power Dissipation @ TL = 75°C | 550 mW | |
| Thermal Resistance from Junction-to-Lead | 40 °C/W | |
| Thermal Resistance from Junction-to-Ambient | 226 °C/W | |
| Operating and Storage Temperature Range | -65 to +150 °C | |
| Package Type | SMB (DO-214) | |
| Mounting Type | Surface Mount | |
| Lead Shape | J-Lead | |
| ESD Rating | Class 3 (> 16 kV) per Human Body Model |
Key Features
- AEC-Q101 qualified and PPAP capable, suitable for automotive applications.
- High power dissipation of 3 watts.
- Zener voltage range of 17.1 to 18.9 volts with ±5% tolerance.
- ESD rating of Class 3 (> 16 kV) per Human Body Model.
- Flat handling surface for accurate placement.
- Pb-free and RoHS compliant.
- Corrosion-resistant external surfaces and readily solderable leads.
- Maximum lead temperature for soldering purposes: 260°C for 10 seconds.
Applications
- Voltage regulation in power supplies and DC-DC converters.
- Transient protection in automotive and industrial systems.
- Overvoltage protection in electronic circuits.
- Stabilization of voltage in audio and video equipment.
- Use in surge protectors and circuit breakers.
Q & A
- What is the Zener voltage of the SZ1SMB5931BT3G?
The Zener voltage of the SZ1SMB5931BT3G is between 17.1 and 18.9 volts with a tolerance of ±5%.
- What is the maximum power dissipation of the SZ1SMB5931BT3G?
The maximum power dissipation is 3 watts.
- What is the package type of the SZ1SMB5931BT3G?
The package type is SMB (DO-214).
- Is the SZ1SMB5931BT3G suitable for automotive applications?
Yes, it is AEC-Q101 qualified and PPAP capable, making it suitable for automotive applications.
- What is the ESD rating of the SZ1SMB5931BT3G?
The ESD rating is Class 3 (> 16 kV) per Human Body Model.
- What is the operating temperature range of the SZ1SMB5931BT3G?
The operating and storage temperature range is -65 to +150 °C.
- Is the SZ1SMB5931BT3G Pb-free and RoHS compliant?
Yes, it is Pb-free and RoHS compliant.
- What is the thermal resistance from junction-to-lead of the SZ1SMB5931BT3G?
The thermal resistance from junction-to-lead is 40 °C/W.
- What is the thermal resistance from junction-to-ambient of the SZ1SMB5931BT3G?
The thermal resistance from junction-to-ambient is 226 °C/W.
- What are the typical applications of the SZ1SMB5931BT3G?
Typical applications include voltage regulation, transient protection, overvoltage protection, and stabilization of voltage in various electronic systems.
