Overview
The BZX84B3V9Q-7-F is a precision Zener diode manufactured by Diodes Incorporated. This component is part of the BZX84B series, known for its high reliability and precision voltage regulation. The 'Q' in the part number indicates that it is qualified to AEC-Q101 standards, making it suitable for automotive and other high-reliability applications. The device is packaged in a SOT23 case, which is ideal for automated assembly processes and is fully RoHS compliant, halogen-free, and antimony-free.
Key Specifications
| Parameter | Value |
|---|---|
| Zener Voltage (VZ) | 3.9V (Nominal), 3.81V - 4.02V (Range) |
| Power Dissipation | 350mW |
| Maximum Zener Impedance (ZZT) at f = 1KHz | 95 Ω |
| Maximum Reverse Current (IR) | 1.0 µA |
| Temperature Coefficient | -3.5 mV/°C |
| Operating and Storage Temperature Range | -65°C to +150°C |
| Thermal Resistance, Junction to Ambient Air (RθJA) | 417 °C/W |
| Case | SOT23 |
| Case Material | Molded Plastic “Green” Molding Compound |
| Moisture Sensitivity | Level 1 per J-STD-020 |
| Terminals | Solderable per MIL-STD-202, Method 208 Lead-Free Plating (Matte Tin Finish Annealed over Alloy 42 Leadframe) |
Key Features
- ±2% Tolerance on VZ for precise voltage regulation
- High power dissipation of 350mW
- Ideally suited for automated assembly processes
- Totally lead-free and fully RoHS compliant
- Halogen and antimony free, classified as a “Green” device
- Qualified to AEC-Q101 standards for high reliability
- Low thermal resistance and high operating temperature range
Applications
The BZX84B3V9Q-7-F is versatile and can be used in various applications requiring precise voltage regulation. These include:
- Automotive systems where high reliability is crucial
- Consumer electronics for voltage stabilization
- Industrial control systems for stable voltage references
- Telecommunication equipment for reliable voltage regulation
Q & A
- What is the nominal Zener voltage of the BZX84B3V9Q-7-F?
The nominal Zener voltage is 3.9V, with a range of 3.81V to 4.02V. - What is the power dissipation of this diode?
The power dissipation is 350mW. - Is the BZX84B3V9Q-7-F RoHS compliant?
Yes, it is fully RoHS compliant, halogen-free, and antimony-free. - What is the operating temperature range of this diode?
The operating and storage temperature range is -65°C to +150°C. - What is the thermal resistance of the BZX84B3V9Q-7-F?
The thermal resistance, junction to ambient air (RθJA), is 417 °C/W. - Is this diode suitable for automotive applications?
Yes, it is qualified to AEC-Q101 standards, making it suitable for automotive and other high-reliability applications. - What is the case type and material of the BZX84B3V9Q-7-F?
The case type is SOT23, and the material is molded plastic “Green” molding compound. - How is the moisture sensitivity of this diode classified?
The moisture sensitivity is classified as Level 1 per J-STD-020. - What are the terminal specifications of the BZX84B3V9Q-7-F?
The terminals are solderable per MIL-STD-202, Method 208 Lead-Free Plating (Matte Tin Finish Annealed over Alloy 42 Leadframe). - What is the weight of the BZX84B3V9Q-7-F?
The approximate weight is 0.008 grams.
