CDLL4616

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CDLL4616 is a small signal Volter-Schmidt-based special Zener diode package and is specially designed to prevent transient spikes created by inductors and transformers in electronic communication systems. The CDLL4616 is used as a low power high voltage voltage regulator, where the voltage drop is approximately 6.8V, and as an energy storage capacitor. This diode package has an active area of 0.3mm², a grip width of 0.3mm and a total length of 3.2mm.

The working principle of CDLL4616 consists of two main parts; the breakdown and the voltage-limiting. When the voltage reaches the rated Zener voltage, the diode package will breakdown and become forward biased. At this point, the transistor junction creates a pocket of reverse or negative electrons, which stores the excess current away from the device. The pocket of negative electrons is then followed by a voltage regulation process. This process ensures that the current switching is happening at very low voltage levels, allowing for a quick response time. As the current switches from negative to positive, it creates an internal electric field which is maintained by the charged electrons and maintains a constant voltage across the diode package.

Applications of CDLL4616 are mainly related to communication systems. This diode package has a relatively low sensitivity to electromagnetic interference, and is therefore suitable for applications where it may be exposed to strong electromagnetic field. Additionally, this diode package has a very low capacitance, the combination of low capacitance and low reverse leakage current makes it well suitable for light pulse applications, such as pulse width modulators and light control applications.

Another example of CDLL4616 application is the laser diode safety circuit. It is used to protect laser diode from excessive current or voltage, by limiting the voltage and current to an acceptable level. CDLL4616 is also used in over voltage protector, relay driver and RF circuits to provide controlled current switching without creating significant losses. Finally, CDLL4616 is a very cost effective diode package and is suitable for high volume production.

In conclusion, CDLL4616 is a single zener diode package which has the potential to improve the stability and efficiency of communication systems. Its low capacitance, low reverse leakage current and low sensitivity to electromagnetic interference make it highly suitable for applications such as laser diode safety circuit, pulse width modulators, over voltage protectors and relay drivers. Additionally, its cost-effectiveness makes it even more appealing.

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