Overview
The BZX79C3V9 A0G is a 3.9V Zener diode produced by Taiwan Semiconductor Corporation. This component is part of the BZX79C series, known for its reliability and precision in voltage regulation. The BZX79C3V9 A0G is designed to provide stable voltage reference and protection against voltage spikes in various electronic circuits.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Zener (Nom) (Vz) | 3.9 | V |
| Voltage - Forward (Vf) (Max) @ If | 1.5 @ 100 mA | V |
| Tolerance | ±5% | |
| Supplier Device Package | DO-35 | |
| Power - Max | 500 | mW |
| Package / Case | DO-204AH, DO-35, Axial | |
| Operating Temperature | -65°C ~ 200°C | |
| Mounting Type | Through Hole | |
| Impedance (Max) (Zzt) | 90 | Ohms |
| Current - Reverse Leakage @ Vr | 10 µA @ 1 V |
Key Features
- Stable Zener Voltage: The BZX79C3V9 A0G provides a stable 3.9V Zener voltage with a ±5% tolerance, ensuring reliable voltage regulation.
- High Power Dissipation: With a maximum power dissipation of 500 mW, this diode can handle moderate power requirements.
- Wide Operating Temperature Range: The diode operates within a temperature range of -65°C to 200°C, making it suitable for various environmental conditions.
- Through-Hole Mounting: The DO-35 package with axial leads facilitates easy mounting and integration into through-hole PCB designs.
- Low Reverse Leakage Current: The diode has a low reverse leakage current of 10 µA at 1 V, minimizing unnecessary current draw.
Applications
- Voltage Regulation: The BZX79C3V9 A0G is commonly used in voltage regulator circuits to provide a stable reference voltage.
- Overvoltage Protection: It can be used to protect electronic circuits from voltage spikes and overvoltage conditions.
- Signal Conditioning: This diode is useful in signal conditioning circuits where a stable voltage reference is required.
- Power Supplies: It can be integrated into power supply designs to ensure stable output voltages.
Q & A
- What is the nominal Zener voltage of the BZX79C3V9 A0G?
The nominal Zener voltage is 3.9V with a ±5% tolerance. - What is the maximum power dissipation of the BZX79C3V9 A0G?
The maximum power dissipation is 500 mW. - What is the operating temperature range of the BZX79C3V9 A0G?
The operating temperature range is -65°C to 200°C. - What type of package does the BZX79C3V9 A0G come in?
The diode comes in a DO-35 package with axial leads. - What is the reverse leakage current of the BZX79C3V9 A0G?
The reverse leakage current is 10 µA at 1 V. - What is the forward voltage drop of the BZX79C3V9 A0G?
The forward voltage drop is 1.5 V at 100 mA. - Can the BZX79C3V9 A0G be used for overvoltage protection?
Yes, it can be used to protect electronic circuits from overvoltage conditions. - Is the BZX79C3V9 A0G suitable for high-frequency applications?
While it can be used in various applications, its suitability for high-frequency applications should be evaluated based on specific requirements and the diode's characteristics. - How do I mount the BZX79C3V9 A0G on a PCB?
The BZX79C3V9 A0G is a through-hole component and should be mounted using the axial leads. - Where can I find the datasheet for the BZX79C3V9 A0G?
The datasheet can be found on the manufacturer's website, as well as on distributor websites such as Digi-Key and Mouser.
