Overview
The BZX84C3V9CC-HF is a Zener diode produced by Comchip Technology, designed for voltage regulation and protection in various electronic circuits. This component is part of the BZX84C series, which offers a wide range of Zener breakdown voltages. The BZX84C3V9CC-HF specifically has a nominal Zener voltage of 3.9V, making it suitable for applications requiring precise voltage regulation.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Zener Breakdown Voltage | Vz | 3.9V | V |
| Power Dissipation | Pd | 350 mW | mW |
| Thermal Resistance, Junction to Ambient | RθJA | 417 °C/W | °C/W |
| Operating and Storage Temperature Range | TJ, TSTG | -65 to +150 °C | °C |
| Package Type | SOT-23 | ||
| RoHS Compliance | Yes |
Key Features
- Zener Breakdown Voltage Range: The BZX84C3V9CC-HF has a nominal Zener voltage of 3.9V, with a tolerance of ±5.13%.
- Power Dissipation: The diode can handle up to 350 mW of power dissipation, making it suitable for a variety of applications.
- Thermal Performance: It has a thermal resistance of 417 °C/W from junction to ambient, ensuring reliable operation under various thermal conditions.
- Package Design: The SOT-23 package is designed for optimal automated board assembly and features a small size for high-density applications.
- Environmental Compliance: The component is RoHS compliant, ensuring it meets environmental standards.
Applications
- Voltage Regulation: The BZX84C3V9CC-HF is commonly used in voltage regulation circuits to maintain a stable voltage level.
- Overvoltage Protection: It can be used to protect electronic circuits from overvoltage conditions by clamping the voltage to a safe level.
- Automotive Electronics: Suitable for use in automotive systems such as TPMS, seat heating systems, and remote keyless entry systems due to its robust thermal and electrical characteristics.
- Consumer Electronics: Used in various consumer electronics like mobile phones, notebooks, LCD TVs, and digital cameras for power conversion and circuit protection.
- Industrial and Lighting Applications: Can be applied in industrial control systems and lighting systems where precise voltage regulation is required.
Q & A
- What is the nominal Zener voltage of the BZX84C3V9CC-HF?
The nominal Zener voltage is 3.9V.
- What is the maximum power dissipation of the BZX84C3V9CC-HF?
The maximum power dissipation is 350 mW.
- What is the thermal resistance of the BZX84C3V9CC-HF from junction to ambient?
The thermal resistance is 417 °C/W.
- What type of package does the BZX84C3V9CC-HF come in?
The component comes in an SOT-23 package.
- Is the BZX84C3V9CC-HF RoHS compliant?
Yes, the component is RoHS compliant.
- What are some common applications of the BZX84C3V9CC-HF?
Common applications include voltage regulation, overvoltage protection, automotive electronics, consumer electronics, and industrial and lighting systems.
- What is the operating temperature range of the BZX84C3V9CC-HF?
The operating and storage temperature range is -65 to +150 °C.
- How is the BZX84C3V9CC-HF typically packaged for distribution?
It is typically packaged in reels for automated board assembly.
- What is the tolerance of the Zener voltage for the BZX84C3V9CC-HF?
The tolerance is ±5.13%.
- Can the BZX84C3V9CC-HF be used in high-density applications?
Yes, the small SOT-23 package makes it suitable for high-density applications.
