Overview
The BZX84B3V9-7-F is a precision Zener diode manufactured by Diodes Incorporated. This component is part of the BZX84 series, known for its high reliability and precision voltage regulation. The BZX84B3V9-7-F is specifically designed to provide a stable Zener voltage of 3.9V with a tight tolerance of ±2%. It is ideally suited for various electronic applications requiring stable voltage reference points.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage (VZ) | 3.9 | V |
| Zener Voltage Tolerance | ±2% | |
| Power Dissipation | 350 | mW |
| Test Current (IZT) | 5 | mA |
| Reverse Leakage Current (IR) | 3.0 | µA |
| Dynamic Resistance (ZZT) | 90 | Ω |
| Temperature Coefficient | -3.5 | mV/°C |
| Package | SOT-23 | |
| Case Material | Molded Plastic | |
| UL Flammability Classification | 94V-0 | |
| Moisture Sensitivity Level | Level 1 per J-STD-020 | |
| Operating Temperature Range | -55 to +150 °C | |
| Storage Temperature Range | -65 to +150 °C |
Key Features
- ±2% tolerance on Zener voltage, ensuring high precision voltage regulation.
- 350mW power dissipation, suitable for a variety of applications.
- Zener voltages available from 2.7V to 39V, offering flexibility in design.
- Ideally suited for automated assembly processes.
- Totally lead-free and fully RoHS compliant, meeting environmental standards.
- Halogen and antimony free, classified as a “Green” device.
- Qualified to AEC-Q101 standards for high reliability, making it suitable for automotive applications.
- Solderable terminals per MIL-STD-202, Method 208, with lead-free plating.
Applications
The BZX84B3V9-7-F Zener diode is versatile and can be used in various applications, including:
- Voltage regulation and stabilization in power supplies.
- Overvoltage protection circuits.
- Reference voltage sources in analog circuits.
- Automotive electronics due to its AEC-Q101 qualification.
- General-purpose voltage clamping and surge protection.
Q & A
- What is the Zener voltage of the BZX84B3V9-7-F?
The Zener voltage of the BZX84B3V9-7-F is 3.9V with a ±2% tolerance. - What is the power dissipation of this diode?
The power dissipation is 350mW. - What is the package type of the BZX84B3V9-7-F?
The package type is SOT-23. - Is the BZX84B3V9-7-F RoHS compliant?
Yes, it is fully RoHS compliant and lead-free. - What are the operating and storage temperature ranges?
The operating temperature range is -55 to +150 °C, and the storage temperature range is -65 to +150 °C. - Is this diode suitable for automotive applications?
Yes, it is qualified to AEC-Q101 standards for high reliability in automotive applications. - What is the moisture sensitivity level of this component?
The moisture sensitivity level is Level 1 per J-STD-020. - What is the dynamic resistance of the BZX84B3V9-7-F at the test current?
The dynamic resistance (ZZT) is 90 Ω. - Is the BZX84B3V9-7-F halogen and antimony free?
Yes, it is halogen and antimony free, classified as a “Green” device. - What is the UL flammability classification of the BZX84B3V9-7-F?
The UL flammability classification is 94V-0.
