Overview
The BZX84C3V9 RFG is a single Zener diode manufactured by Taiwan Semiconductor Corporation. This component is part of the BZX84C series and is designed for voltage regulation and protection in electronic circuits. It is packaged in a SOT-23-3 case, making it suitable for surface mount technology (SMT) applications. The diode is known for its high reliability and stability, making it a popular choice in various electronic designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Series | BZX84C | - |
| Package / Case | SOT-23-3, TO-236-3, SC-59 | - |
| Vz - Zener Voltage | 3.9 V | V |
| Voltage Tolerance | ±5% | % |
| Pd - Power Dissipation | 300 mW | mW |
| Zz - Zener Impedance | 90 Ohms | Ohms |
| Zener Current | 3 uA | uA |
| Minimum Operating Temperature | -65°C | °C |
| Maximum Operating Temperature | +150°C | °C |
| Test Current | 5 mA | mA |
| Ir - Maximum Reverse Leakage Current | 3 uA @ 1 V | uA @ V |
| Vf - Forward Voltage | 900 mV @ 10 mA | mV @ mA |
| Voltage Temperature Coefficient | 0 mV/C | mV/C |
Key Features
- Compact Packaging: Available in SOT-23-3, TO-236-3, and SC-59 packages, making it ideal for surface mount applications.
- Precision Voltage Regulation: Offers a precise Zener voltage of 3.9V with a tolerance of ±5%.
- Low Power Dissipation: Maximum power dissipation of 300 mW, suitable for low to moderate power applications.
- Low Zener Impedance: Zener impedance of 90 Ohms, ensuring stable voltage regulation.
- Wide Operating Temperature Range: Operates from -65°C to +150°C, making it suitable for a variety of environmental conditions.
- Low Reverse Leakage Current: Maximum reverse leakage current of 3 uA at 1 V, minimizing unwanted current flow.
- RoHS Compliance: Compliant with RoHS standards, ensuring environmental sustainability.
Applications
- Voltage Regulation: Used in voltage regulator circuits to maintain a stable voltage level.
- Overvoltage Protection: Acts as a protective device against voltage spikes and overvoltages in electronic circuits.
- Signal Clamping: Used to clamp signal voltages to a specific level, preventing damage to sensitive components.
- Power Supplies: Employed in power supply designs to regulate output voltages and protect against overvoltages.
- Consumer Electronics: Found in various consumer electronic devices such as TVs, audio equipment, and other electronic appliances.
Q & A
- What is the Zener voltage of the BZX84C3V9 RFG diode?
The Zener voltage of the BZX84C3V9 RFG diode is 3.9V with a tolerance of ±5%.
- What is the maximum power dissipation of the BZX84C3V9 RFG diode?
The maximum power dissipation is 300 mW.
- What is the package type of the BZX84C3V9 RFG diode?
The diode is available in SOT-23-3, TO-236-3, and SC-59 packages.
- What is the operating temperature range of the BZX84C3V9 RFG diode?
The operating temperature range is from -65°C to +150°C.
- What is the Zener impedance of the BZX84C3V9 RFG diode?
The Zener impedance is 90 Ohms.
- What is the maximum reverse leakage current of the BZX84C3V9 RFG diode?
The maximum reverse leakage current is 3 uA at 1 V.
- Is the BZX84C3V9 RFG diode RoHS compliant?
Yes, the BZX84C3V9 RFG diode is RoHS compliant.
- What is the forward voltage of the BZX84C3V9 RFG diode?
The forward voltage is 900 mV at 10 mA.
- What are common applications of the BZX84C3V9 RFG diode?
Common applications include voltage regulation, overvoltage protection, signal clamping, and use in power supplies and consumer electronics.
- Where can I find the datasheet for the BZX84C3V9 RFG diode?
The datasheet can be found on the manufacturer's website or through authorized distributors such as Xecor, Lantronchips, and Heisener.
