Overview
The 1SMA5919BT3G 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 1SMA5919BT3G specifically has a Zener voltage of 5.6 V, making it suitable for various voltage regulation and stabilization 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 | Symbol | Value | Unit |
|---|---|---|---|
| Zener Voltage @ IZT | VZ | 5.32 - 5.6 - 5.88 | V |
| Reverse Current @ VR | IR | 2.0 | μA |
| Maximum Zener Impedance @ IZT | ZZT | 66.9 | Ω |
| Maximum DC Zener Current | IZM | 250 | mA |
| DC Power Dissipation @ TL = 75°C | PD | 1.5 | W |
| Operating and Storage Temperature Range | TJ, Tstg | -65 to +150 | °C |
| Thermal Resistance, Junction-to-Lead | RθJL | 50 | °C/W |
| Thermal Resistance, Junction-to-Ambient | RθJA | 250 | °C/W |
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 Slide or Bottom Circuit Board Mounting
- Low Profile Package
- Ideal Replacement for MELF Packages
- AEC-Q101 Qualified and PPAP Capable
- Pb-Free Devices
Applications
The 1SMA5919BT3G is suitable for a variety of applications requiring voltage regulation and stabilization, including:
- Voltage Regulation in Power Supplies
- Overvoltage Protection
- Signal Conditioning and Filtering
- Automotive and Industrial Electronics
- General Purpose Voltage Stabilization
Q & A
- What is the Zener voltage range of the 1SMA5919BT3G?
The Zener voltage range for the 1SMA5919BT3G is 5.32 V to 5.88 V.
- What is the maximum DC power dissipation of the 1SMA5919BT3G at 75°C?
The maximum DC power dissipation is 1.5 W at 75°C.
- What is the thermal resistance from junction to ambient for the 1SMA5919BT3G?
The thermal resistance from junction to ambient is 250 °C/W.
- Is the 1SMA5919BT3G Pb-Free?
- What is the operating and storage temperature range for the 1SMA5919BT3G?
The operating and storage temperature range is -65°C to +150°C.
- What is the ESD rating of the 1SMA5919BT3G?
The ESD rating is Class 3 (> 16 kV) per Human Body Model.
- Is the 1SMA5919BT3G AEC-Q101 qualified?
- What package type does the 1SMA5919BT3G use?
The 1SMA5919BT3G uses a SMA (Surface Mount) package.
- Can the 1SMA5919BT3G be used in automotive applications?
- What is the maximum forward current for the 1SMA5919BT3G?
The maximum forward current is typically up to 200 mA.
