Overview
The BZX84B3V9-G3-18 is a silicon planar Zener diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the BZX84-G series, which is known for its high reliability and precision. The BZX84B3V9-G3-18 is specifically designed to provide a stable voltage reference with a nominal Zener voltage of 3.9 V. It is widely used in various electronic circuits for voltage regulation, surge protection, and as a reference voltage source.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Zener (Nom) (Vz) | 3.9 V | V |
| Tolerance | ±2% | % |
| Power - Max | 300 mW | mW |
| Impedance (Max) (Zzt) | 90 Ohms | Ohms |
| Current - Reverse Leakage @ Vr | 3 µA @ 1 V | µA @ V |
| Operating Temperature | -55°C to 150°C | °C |
| Mounting Type | Surface Mount | |
| Package / Case | SOT-23-3 | |
| Qualification | AEC-Q101 |
Key Features
- Silicon Planar Zener Diode: Ensures high reliability and stability in voltage regulation.
- Precision Voltage Reference: Nominal Zener voltage of 3.9 V with a tolerance of ±2%.
- High Power Handling: Maximum power dissipation of 300 mW.
- Low Impedance: Maximum impedance of 90 Ohms.
- Automotive Grade: Qualified to AEC-Q101 standards, making it suitable for automotive applications.
- Wide Operating Temperature Range: Operates from -55°C to 150°C.
- Surface Mount Package: SOT-23-3 package for easy integration into surface mount designs.
Applications
- Voltage Regulation: Used in voltage regulator circuits to provide a stable reference voltage.
- Surge Protection: Acts as a surge protector to absorb voltage spikes and protect sensitive components.
- Reference Voltage Source: Serves as a precise voltage reference in various electronic circuits.
- Automotive Electronics: Suitable for use in automotive systems due to its AEC-Q101 qualification.
- Industrial Control Systems: Used in industrial control systems for reliable voltage regulation and protection.
Q & A
- What is the nominal Zener voltage of the BZX84B3V9-G3-18?
The nominal Zener voltage is 3.9 V.
- What is the tolerance of the Zener voltage?
The tolerance is ±2%.
- What is the maximum power dissipation of the BZX84B3V9-G3-18?
The maximum power dissipation is 300 mW.
- What is the maximum impedance (Zzt) of the diode?
The maximum impedance is 90 Ohms.
- What is the reverse leakage current at 1 V?
The reverse leakage current is 3 µA at 1 V.
- What is the operating temperature range of the BZX84B3V9-G3-18?
The operating temperature range is -55°C to 150°C.
- What package type is the BZX84B3V9-G3-18 available in?
The diode is available in the SOT-23-3 package.
- Is the BZX84B3V9-G3-18 qualified for automotive applications?
Yes, it is qualified to AEC-Q101 standards.
- What are some common applications of the BZX84B3V9-G3-18?
Common applications include voltage regulation, surge protection, and as a reference voltage source in various electronic circuits.
- Where can I find detailed specifications and datasheets for the BZX84B3V9-G3-18?
Detailed specifications and datasheets can be found on the Vishay website or through authorized distributors.
