Overview
The BZX79C20 is a Zener diode produced by Fairchild Semiconductor, now part of ON Semiconductor. This component is designed to provide voltage regulation and protection in various electronic circuits. It is part of the BZX79 series, known for its reliability and performance in voltage stabilization applications.
Key Specifications
| Attribute | Value |
|---|---|
| Working Voltage (Nominal) | 20 V |
| Power Dissipation | 0.5 W |
| Forward (Drive) Current | 10 mA |
| Forward Voltage | 0.9 V |
| Reverse Current (Max) | 50 nA |
| Voltage Tolerance | ±5% |
| Impedance | 15 Ω |
| Operating Temperature Range | -65°C to +200°C |
| Voltage Temperature Coefficient | 15.6 mV/K |
| Capacitance | 60 pF |
| Configuration | Single |
| Number of Terminals | 2 |
| Package Style | DO-35 (SOD-27) |
| Mounting Method | Through Hole |
Key Features
- Voltage Regulation: The BZX79C20 is designed to regulate voltage in electronic circuits, providing a stable voltage output.
- Low Impedance: It has a low impedance of 15 Ω, which is beneficial for applications requiring minimal voltage drop.
- High Power Dissipation: With a power dissipation of 0.5 W, this diode can handle moderate power requirements.
- Wide Operating Temperature Range: The diode operates within a temperature range of -65°C to +200°C, making it suitable for a variety of environmental conditions.
- Precision Voltage Tolerance: The voltage tolerance of ±5% ensures reliable and consistent performance.
Applications
The BZX79C20 Zener diode is widely used in various applications where voltage regulation and protection are crucial. These include:
- Voltage Stabilization: In power supplies, audio equipment, and other electronic devices where stable voltage is essential.
- Overvoltage Protection: To protect circuits from voltage spikes and surges.
- Signal Processing: In signal amplifiers and filters where precise voltage levels are required.
- Automotive Electronics: Due to its wide operating temperature range, it is suitable for use in automotive systems.
Q & A
- What is the nominal working voltage of the BZX79C20 Zener diode?
The nominal working voltage of the BZX79C20 is 20 V. - What is the power dissipation capacity of the BZX79C20?
The power dissipation capacity is 0.5 W. - What is the forward current rating of the BZX79C20?
The forward current rating is 10 mA. - What is the voltage tolerance of the BZX79C20?
The voltage tolerance is ±5%. - What is the operating temperature range of the BZX79C20?
The operating temperature range is -65°C to +200°C. - What is the package style of the BZX79C20?
The package style is DO-35 (SOD-27). - How is the BZX79C20 typically mounted?
The BZX79C20 is typically mounted using the through-hole method. - What are some common applications of the BZX79C20?
Common applications include voltage stabilization, overvoltage protection, signal processing, and automotive electronics. - Who is the manufacturer of the BZX79C20?
The BZX79C20 is manufactured by Fairchild Semiconductor, now part of ON Semiconductor. - What is the impedance of the BZX79C20?
The impedance of the BZX79C20 is 15 Ω.
