Overview
The 1SMA5931BT3G is a 1.5 Watt plastic surface mount Zener voltage regulator produced by onsemi. This component is part of the 1SMA59xxBT3G series, which offers a range of Zener breakdown voltages from 3.3 V to 68 V. The 1SMA5931BT3G specifically has a Zener voltage of 18 V, making it suitable for various voltage regulation applications. It is designed with a flat handling surface for accurate placement and features a low profile package, ideal for top slide or bottom circuit board mounting.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage (VZ) | 17.1 - 18 - 18.9 | V |
| Reverse Current (IZT) | 9.0 mA | mA |
| Maximum Zener Impedance (ZZT) | 20.8 Ω | Ω |
| Reverse Leakage Current (IR) | 12 μA | μA |
| Maximum DC Zener Current (IZM) | 650 mA | mA |
| DC Power Dissipation @ TL = 75°C | 1.5 W | W |
| Thermal Resistance, Junction-to-Lead (RθJL) | 50 °C/W | °C/W |
| Operating and Storage Temperature Range | -65 to +150 °C | °C |
| ESD Rating | Class 3 (> 16 kV) per Human Body Model |
Key Features
- Standard Zener breakdown voltage range from 3.3 V to 68 V.
- ESD Rating of Class 3 (> 16 kV) per Human Body Model.
- Flat handling surface for accurate placement.
- Low profile package suitable for top slide or bottom circuit board mounting.
- Ideal replacement for MELF packages.
- AEC-Q101 Qualified and PPAP Capable.
- Pb-Free devices.
Applications
The 1SMA5931BT3G is versatile and can be used in a variety of applications, including:
- Voltage regulation and stabilization in electronic circuits.
- Overvoltage protection and surge suppression.
- Automotive and industrial electronics requiring robust voltage regulation.
- General-purpose voltage regulation in consumer electronics.
Q & A
- What is the Zener voltage range of the 1SMA5931BT3G?
The Zener voltage range for the 1SMA5931BT3G is 17.1 V to 18.9 V.
- What is the maximum DC power dissipation of the 1SMA5931BT3G at TL = 75°C?
The maximum DC power dissipation is 1.5 W.
- What is the ESD rating of the 1SMA5931BT3G?
The ESD rating is Class 3 (> 16 kV) per Human Body Model.
- Is the 1SMA5931BT3G Pb-Free?
- What is the operating temperature range of the 1SMA5931BT3G?
The operating and storage temperature range is -65°C to +150°C.
- What are the typical applications of the 1SMA5931BT3G?
It is used in voltage regulation, overvoltage protection, automotive electronics, and general-purpose voltage regulation in consumer electronics.
- Is the 1SMA5931BT3G AEC-Q101 Qualified?
- What is the thermal resistance, junction-to-lead (RθJL) of the 1SMA5931BT3G?
The thermal resistance, junction-to-lead (RθJL) is 50 °C/W.
- Can the 1SMA5931BT3G be used in life support systems or medical devices?
No, the 1SMA5931BT3G is not designed, intended, or authorized for use as a critical component in life support systems or any FDA Class 3 medical devices.
- What is the maximum forward current (IF) of the 1SMA5931BT3G?
The maximum forward current (IF) is 200 mA.
