Overview
The 1SMA5918BT3G is a 1.5 Watt Plastic Surface Mount Zener Voltage Regulator produced by onsemi. This component is part of the 1SMA59xxBT3G series, designed for general-purpose voltage regulation applications. It offers a range of advantages, including a standard Zener breakdown voltage range and high ESD rating, making it suitable for various electronic circuits.
Key Specifications
| Attribute | Description |
|---|---|
| Power Dissipation | 0.5 W (Note: Though the datasheet mentions 1.5W for the series, the specific model 1SMA5918BT3G is often referenced with 0.5W in some contexts, but it is 1.5W as per the series) |
| Forward (Drive) Current | 200 mA |
| Forward Voltage | 1.2 V |
| Reverse Current-Max | 2.5 µA |
| Voltage Tolerance | ±5% |
| Impedance | 4 Ω |
| Operating Temp Range | -65°C to +150°C |
| Zener Current | 73.5 mA |
| Configuration | Single |
| Height - Max | 2.2 mm |
| Dimension | L 4.57 mm x W 2.92 mm |
| Working Voltage-Nom | 5.1 V |
| No of Terminals | 2 |
| Package Style | SMA (DO-214AC, SOD-106) |
| Mounting Method | Surface Mount |
Key Features
- Standard Zener Breakdown Voltage Range − 3.3 V to 68 V
- ESD Rating of Class 3 (>16 kV) per Human Body Model
- Flat Handling Surface for Accurate Placement
- Package Design for Top Side or Bottom Circuit Board Mounting
- Low Profile Package
- Ideal Replacement for MELF Packages
- Pb−Free Packages are Available
- AEC−Q101 Qualified and PPAP Capable
- Void-free, transfer-molded plastic case
- All external surfaces are corrosion resistant with readily solderable leads
- Maximum Case Temperature For Soldering Purposes: 260°C for 10 seconds
- Flammability Rating: UL 94 V−0 @ 0.125 in
Applications
The 1SMA5918BT3G Zener Diode is designed for general-purpose voltage regulation applications. It is suitable for use in a variety of electronic circuits where stable voltage regulation is required, such as in power supplies, voltage regulators, and other electronic devices that need protection against voltage spikes and surges.
Q & A
- What is the nominal working voltage of the 1SMA5918BT3G Zener Diode?
The nominal working voltage of the 1SMA5918BT3G Zener Diode is 5.1 V.
- What is the maximum power dissipation of the 1SMA5918BT3G?
The maximum power dissipation of the 1SMA5918BT3G is 1.5 W.
- What is the operating temperature range of the 1SMA5918BT3G?
The operating temperature range of the 1SMA5918BT3G is -65°C to +150°C.
- What is the ESD rating of the 1SMA5918BT3G?
The ESD rating of the 1SMA5918BT3G is Class 3 (>16 kV) per Human Body Model.
- What is the package style of the 1SMA5918BT3G?
The package style of the 1SMA5918BT3G is SMA (DO-214AC, SOD-106).
- Is the 1SMA5918BT3G Pb-free?
- What is the maximum case temperature for soldering purposes?
The maximum case temperature for soldering purposes is 260°C for 10 seconds.
- What is the flammability rating of the 1SMA5918BT3G?
The flammability rating of the 1SMA5918BT3G is UL 94 V−0 @ 0.125 in.
- What are some common applications of the 1SMA5918BT3G?
The 1SMA5918BT3G is commonly used in power supplies, voltage regulators, and other electronic devices that require stable voltage regulation.
- Is the 1SMA5918BT3G AEC-Q101 qualified?
