Overview
The SZ1SMA5919BT3G 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 SZ1SMA5919BT3G is specifically designed with a nominal Zener voltage of 5.6 V, making it suitable for various voltage regulation and protection applications. It is AEC-Q101 qualified and PPAP capable, ensuring its reliability in automotive and other demanding environments.
Key Specifications
| Parameter | Min | Nom | Max |
|---|---|---|---|
| Zener Voltage (VZ) @ IZT | 5.32 V | 5.6 V | 5.88 V |
| Reverse Current (IZT) | - | 2.0 mA | - |
| Maximum Zener Impedance (ZZT) @ IZT | - | 66.9 Ω | - |
| Reverse Leakage Current (IR) @ VR | - | 2.5 μA | - |
| Maximum DC Zener Current (IZM) | - | 250 mA | - |
| Power Dissipation | - | 1.5 W | - |
| Operating Temperature Range | - | -55°C to 150°C | - |
| Package Type | - | DO-214AC (SMA) | - |
| ESD Rating | - | Class 3 (> 16 kV) per Human Body Model | - |
Key Features
- Standard Zener breakdown voltage range from 3.3 V to 68 V, with this specific model having a nominal voltage of 5.6 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, making it suitable for automotive and other demanding applications.
- Pb-free devices with corrosion-resistant surfaces and readily solderable leads.
Applications
The SZ1SMA5919BT3G is versatile and can be used in a variety of applications, including:
- Voltage regulation and stabilization in power supplies.
- Overvoltage protection in electronic circuits.
- Automotive systems requiring high reliability and durability.
- Industrial control systems and equipment.
- Consumer electronics requiring stable voltage references.
Q & A
- What is the nominal Zener voltage of the SZ1SMA5919BT3G?
The nominal Zener voltage is 5.6 V. - What is the power dissipation rating of this Zener diode?
The power dissipation rating is 1.5 W. - What is the ESD rating of the SZ1SMA5919BT3G?
The ESD rating is Class 3 (> 16 kV) per Human Body Model. - Is the SZ1SMA5919BT3G suitable for automotive applications?
Yes, it is AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other demanding environments. - What is the package type of the SZ1SMA5919BT3G?
The package type is DO-214AC (SMA). - What is the operating temperature range of this component?
The operating temperature range is -55°C to 150°C. - Is the SZ1SMA5919BT3G lead-free?
Yes, it is a Pb-free device. - What are some common applications for the SZ1SMA5919BT3G?
Common applications include voltage regulation, overvoltage protection, automotive systems, industrial control systems, and consumer electronics. - What is the maximum DC Zener current for this diode?
The maximum DC Zener current is 250 mA. - Can the SZ1SMA5919BT3G be used as a replacement for MELF packages?
Yes, it is designed as an ideal replacement for MELF packages.
