Overview
The BZX79C20-T50A is a zener diode produced by Fairchild Semiconductor, now part of onsemi. This component is designed for general use and is suitable for a wide range of applications. It is part of the BZX79 series, which offers a variety of zener voltages to meet different design requirements.
The BZX79C20-T50A is particularly noted for its stability and reliability in voltage regulation and protection circuits. Although the specific part is listed as obsolete, it remains relevant for legacy systems and designs that still utilize these components.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage (VZ) | 20 | V |
| Power Dissipation (PD) | 500 | mW |
| Operating and Storage Temperature Range (TJ, TSTG) | −65 to +200 | °C |
| Leakage Current (IR) | 100 | μA |
| Package Type | Axial Lead | |
| Container Type | Fan-Fold | |
| Container Quantity | 5000 |
Key Features
- Voltage Regulation: The BZX79C20-T50A provides stable zener voltage, making it ideal for voltage regulation applications.
- Low Power Dissipation: With a maximum power dissipation of 500 mW, this diode is suitable for applications where heat management is critical.
- Broad Temperature Range: The component operates and can be stored over a wide temperature range of −65 to +200 °C.
- Compact Packaging: The axial lead package is convenient for various mounting and wiring configurations.
Applications
- Voltage Regulation Circuits: The BZX79C20-T50A is used to regulate voltage in power supplies, audio equipment, and other electronic devices.
- Overvoltage Protection: It can be used to protect circuits from voltage spikes and overvoltages.
- Signal Clamping: The diode can clamp signal voltages to prevent them from exceeding safe levels.
- Legacy Systems: Given its obsolescence, it is particularly relevant for maintaining and repairing older systems that still use these components.
Q & A
- What is the zener voltage of the BZX79C20-T50A?
The zener voltage of the BZX79C20-T50A is 20 volts.
- What is the maximum power dissipation of the BZX79C20-T50A?
The maximum power dissipation is 500 mW.
- What is the operating and storage temperature range of the BZX79C20-T50A?
The operating and storage temperature range is −65 to +200 °C.
- What type of package does the BZX79C20-T50A come in?
The BZX79C20-T50A comes in an axial lead package.
- Is the BZX79C20-T50A still in production?
No, the BZX79C20-T50A is listed as obsolete.
- What are common applications for the BZX79C20-T50A?
Common applications include voltage regulation, overvoltage protection, and signal clamping.
- How many units are typically shipped in a container?
The container quantity is 5000 units.
- What is the leakage current of the BZX79C20-T50A?
The leakage current (IR) is 100 μA.
- Can the BZX79C20-T50A be used in high-temperature environments?
Yes, it can operate and be stored over a wide temperature range, including high temperatures up to 200 °C.
- Why is the BZX79C20-T50A still relevant despite being obsolete?
It remains relevant for maintaining and repairing legacy systems that still use these components.
