CD214A-T11CALF

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A TVS - Diode, also known as a transient voltage suppressor or simply a transil, is an electrical component specifically designed to protect electrical and electronic components from damaging voltage surges that would otherwise harm the circuitry. One such diode is the CD214A-T11CALF. This particular diode has a number of applications, as well as a distinct working principle. In this article, we will be discussing the application field and working principle of the CD214A-T11CALF.

Application Field

The CD214A-T11CALF is suitable in applications where an effective response time and superior electrical characteristics are required to protect integrated circuits. This TVS diode is used for transients suppression on I/O lines as well as in power supply lines, and can provide protection from both positive and negative transients. It is also designed with a low-inductance package to reduce voltage overshoots and improve protection. Some of the most common applications of the CD214A-T11CALF include:

• Computer peripheral protection
• Network communication surge protection
• Over voltage and under voltage protection
• Data line protection
• Ethernet, USB, and FireWire surge protection
• Power line protection in both AC and DC systems
• Automotive electronic protection

Working Principle

The working principle of the CD214A-T11CALF is fairly simple. When an overvoltage event occurs, the diode will absorb the excess energy, allowing the protected system to remain undamaged. This is accomplished by modelling the diode as a voltage-limiting resistor that limits the peak voltage of the surge. When a surge occurs, the diode immediately reduces the voltage to a predetermined level by drawing excessive current from the surge, i.e., the diode acts as a short circuit for large voltage spikes, while behaving as an open circuit at lower voltages.

When it comes to permanent damage, the CD214A-T11CALF offers excellent protection against this. Regardless of the cause of the overvoltage, the diode will immediately limit the voltage and prevent permanent damage. In addition to this, the diode also offers a fast response time; typically, it can respond to surges in 20 nanoseconds or less, helping to ensure that the protected systems are not subjected to extended periods of high voltages.

The CD214A-T11CALF also features dual punch-through electrodes that ensure Reliably Low Clamping Voltage (RLCV). This ensures that the diode will clamp the voltage and current at a consistent level throughout the course of the surge, rather than the voltage expanding to an unchecked level. Furthermore, these electrodes ensure that it is highly insensitive to external noise, and can withstand extreme temperatures (up to +150°C).

In summary, the CD214A-T11CALF offers excellent protection from overload surges in a variety of applications. Its fast response time and superior electrical characteristics make it an ideal choice for protecting sensitive electronic components. With the assistance of its dual punch-through electrodes, it ensures that any surge will remain reliably at a reasonable level, preventing permanent damage and providing reliable protection.

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