CDLL759A

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Diodes are crucial components in electrical circuits. They are typically used to control the flow of electricity, either directly or indirectly, within a circuit. Zener diodes are a type of diode specifically designed to conduct current in reverse direction. Of them, the CDLL759A is a single Zener diode with an immersed gold plating. It has a wide variety of applications, from suppression of surge voltages to protecting transistors from damage. But understanding its working principle is key to appreciating its usefulness.

Applications of CDLL759A

In many electronic circuits, transient surges may occur through the signal line. Typically, these surges can cause significant damage to the components within the circuit. The CDLL759A is designed to counter such transient surges. When a surge is detected, the Zener diode will automatically conduct the excess current away from the transistors and other components in order to safeguard them. As an added bonus, it also reduces voltage drop across the circuit. This is particularly useful in instances like rectifiers, voltage comparators, and even as a protective element in audio amplifiers.

The CDLL759A is also used in areas such as precision replacement of forward-direction diodes, suppression of voltage-induced noise generated by high-impedance input circuits, negative voltage regulator, and protection of relay contacts. As such, the diode proves to be an essential element in creating well-functioning circuits.

Working Principle of CDLL759A

The CDLL759A operates under the Zener diode principle, which basically states that once a certain "Zener Voltage" (the voltage at which conduction takes place in reverse direction) is exceeded, the diode will break down and allow current to flow in the reverse direction. This Zener Voltage is dependent on the junction and electrolyte of the diode.

However, the reverse leakage current (the current flowing when the reverse bias voltage is applied) should be limited to very small magnitudes in order to effectively protect the other components in the circuit. This is why the CDLL759A is specially designed with low reverse leakage current feature. The actual Zener Voltage of this diode lies between 5.6V and 6.2V. This ensures very low reverse leakage current and hence, makes it a ideal option for suppressing voltage-induced noise and protecting transistors from damages.

The CDLL759A also provides good heat resistance and high stability in operation. It is encased in a ceramic package with a gold-plated lead frame, which, together with its immersion gold plating, grants it great durability. Furthermore, through its special design, the diode is capable of withstanding impulse voltage up to 1500V, making it a great option for high voltage circuits which may require additional protection.

Advantages of CDLL759A

The CDLL759A diode offers a lot of advantages over typical Zener diodes:

• The low reverse leakage current feature allows it to be used as a protective element in audio amplifiers;
• The reliable ceramic package and gold plated lead frame give it long-term durability;
• The wide range of applications from surge suppression to protection of transistors make it a versatile device;
• The Zener voltage of 5.6V to 6.2V allows it to be used in many kinds of circuits;
• The diode is able to withstand impulse voltage up to 1500V, making it an ideal choice for high voltage circuits.

Conclusion

The CDLL759A single Zener diode provides many advantages over other typical diodes. Its low reverse leakage current feature and wide range of applications make it a ideal choice for preventing surge voltages, suppressing voltage-induced noise, protecting transistors from damage, and in many other situations. Finally, its excellent heat resistance and high stability in operation means that it is able to stand the test of time, giving users peace of mind in their design and operation.

The specific data is subject to PDF, and the above content is for reference