CDLL6309

Series:	--
Packaging:	Bulk
Part Status:	Active
Voltage - Zener (Nom) (Vz):	2.4V
Tolerance:	±5%
Power - Max:	500mW
Impedance (Max) (Zzt):	30 Ohms
Current - Reverse Leakage @ Vr:	100µA @ 1V
Voltage - Forward (Vf) (Max) @ If:	1.1V @ 200mA
Operating Temperature:	-65°C ~ 175°C
Mounting Type:	Surface Mount
Package / Case:	DO-213AA
Supplier Device Package:	DO-213AA

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CDLL6309 application field and working principleIntroduction: CDLL6309 is a single Zener diode with a long-term reverse voltage rating of 6.3V. It has a wide range of applications, such as damping or stabilizing voltages, protection circuits or surge suppressors. Its working principle is based on the idea that when a reverse bias is applied to a p-n junction, below a certain voltage, current only flows from the p-side to the n-side and not vice versa. When the voltage above this threshold is reached, the reverse breakdown takes place and current can begin to flow in both directions. Overview of the Device: The CDLL6309 is an industrial grade diode primarily used in commercial and industrial applications. It has a standard maximum forward current rating of 0.5A, an average forward voltage drop of 1.1V and a typical leakage current of 0.1uA. It also has a typical reverse capacitance of 4pF. As a single Zener diode, it offers a wide range of application fields. Application Fields: The CDLL6309 can be used in multiple different application fields. It is frequently used in protection and surge protection circuits where its relatively low reverse voltage rating and high current flow capability come in handy. For example, in applications with long data transmission cables, a high current surge can be quickly absorbed, reducing the likelihood of an error or miscommunication. In addition, the CDLL6309 can also be used for damping or stabilizing voltage, in conjunction with a resistor. This allows for a more stable voltage to be reached and maintains it at a steady and consistent level. The CDLL6309 can also be used for a range of other commercial and industrial applications, such as regulating LED brightness or controlling motor speeds. Working Principle: The basic working principle behind a single Zener diode is very simple. When current is applied to the device in reverse bias, the voltage across the p-n junction is also increased. When the voltage across the junction reaches the Zener voltage, it “breaks down” and the current begins to flow in both directions. This breakdown voltage of a Zener diode is a direct indication of its reverse voltage-rating. In the case of the CDLL6309, this value is 6.3V. This means that as long as the voltage across the diode is below 6.3V, current will only flow in one direction from the negative to the positive. When the voltage reaches 6.3V, the current will then start to flow in both directions. Conclusion: The CDLL6309 is a single Zener diode with a long-term reverse voltage rating of 6.3V. It is commonly used for damping or stabilizing voltages, protection circuits or surge suppressors, as well as a range of other commercial and industrial applications. It works on the principle of reverse bias, whereby current is allowed to flow as soon as the voltage across the p-n junction reaches the Zener voltage (6.3V). This makes the CDLL6309 a particularly useful device in many different situations.

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