CDLL3822

Series:	--
Packaging:	Bulk
Part Status:	Active
Voltage - Zener (Nom) (Vz):	3.6V
Tolerance:	±10%
Power - Max:	1W
Impedance (Max) (Zzt):	10 Ohms
Current - Reverse Leakage @ Vr:	75µA @ 1V
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 200mA
Operating Temperature:	-65°C ~ 175°C
Mounting Type:	Surface Mount
Package / Case:	DO-213AB, MELF
Supplier Device Package:	DO-213AB

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CDLL3822 Application Field and Working PrincipleCDLL3822 Zener diodes are semiconductor devices that are frequently used in electronic circuits to regulate voltages or provide a reference voltage. They have a unique property that allows them to "bleed off" voltage when the voltage in the circuit exceeds a certain level. This makes them useful devices in applications where it is important to maintain the voltage within a certain range. The CDLL3822 is a single Zener diode with a breakdown voltage of 37.5 volts and a current of 200 mA. This diode is packaged in a leaded TO-227AA (also known as an SC-90 or SOT-223) package. These diodes are used in a variety of applications, including power supplies, switching regulators, and light controllers for lamp and LED lighting. The CDLL3822 can be used as a voltage regulator in circuits that require the voltage to remain within a given range. It works by "bleeding off" the excess voltage when the voltage becomes too high. The diode can also be used in conjunction with other components, such as transistors and diodes, to create a regulated power supply circuit. The CDLL3822\'s operation is based on what is known as the Zener effect. This effect is caused by the junction between the anode and cathode of a diode when a reverse voltage is applied. When the reverse voltage exceeds a specific level, known as the Zener breakdown voltage, the junction will break down, allowing current to flow in the reverse direction. The diode\'s Zener breakdown voltage is determined by its properties, such as the doping levels and the amount of surface area between the anode and cathode. In order to ensure that the CDLL3822 operates within its specified breakdown voltage range, it is important to take into account the current limitation of the diode. If the current is too high, then the breakdown voltage can exceed the specified range, at which point the diode can be damaged. The reverse power rating of the diode should also be taken into consideration when using it in applications that require large amounts of current, as this can also cause the diode to fail. Although the CDLL3822 is primarily used as a voltage regulator, it can also be used as a light control device, as the diode\'s breakdown voltage is typically lower than that of other light controlling devices. By carefully controlling the voltage, the brightness of a light source can be regulated. The diode can also be used to create switching circuits, as the voltage at which it breaks down can act as an on/off switch. The CDLL3822 is a versatile and reliable device, making it an ideal choice for many applications. It is a reliable voltage regulator due to its Zener effect, and it is a cost-effective solution for applications that require light control or switching. Its TO-227AA package allows for easy installation and the diode is self-protecting, meaning that it will not be damaged if the current exceeds its specified limit.

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