CDLL3031B

Series:	--
Packaging:	Bulk
Part Status:	Active
Voltage - Zener (Nom) (Vz):	30V
Tolerance:	±5%
Power - Max:	1W
Impedance (Max) (Zzt):	40 Ohms
Current - Reverse Leakage @ Vr:	500nA @ 22.8V
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 200mA
Operating Temperature:	-55°C ~ 175°C
Mounting Type:	Surface Mount
Package / Case:	DO-213AB, MELF
Supplier Device Package:	DO-213AB

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Diodes - Zener - Single - CDLL3031B application field and working principle

CDLL3031B is a single Zener diode from China’s leading electronic component supplier, Guangdong-based Changbing Electronic Technologies. This diode is designed for use in applications where a stable and constant voltage is needed. It is also used as a voltage reference in electronic circuits for voltage regulation, signal clipping, and voltage clamping.The CDLL3031B is a planar, axial-leaded, positive-coefficient trimmed Zener diode with a nominal zener voltage of 30V. It has an operating junction temperature range of -30°C to +125°C and its power dissipation is 0.6 watts. It features an exact Zener voltage trim of 30V and an initial tolerance of 5%. It also has a high temperature stability of 10V, a breakdown voltage of max 33V, and a surge power of 1W.The CDLL3031B has two pins, which can be soldered onto the board. The anode is connected to the positive terminal of the power source and the cathode is connected to the negative terminal. This diode can be used to control the voltage in the circuit by allowing current to only flow in one direction.This diode works in a similar way to other Zener diodes. It operates in the breakdown region when the current reaches a certain level. The reverse bias voltage across the diode increases until the electric field in the depletion layer of the diode reaches a critical value. The electric field creates a strong electric field in the Zener diode, causing the current to increase exponentially. This phenomenon is known as the Zener effect.The CDLL3031B is mainly used to maintain a constant and stable voltage in the circuit when the power source voltage is changing. By using a voltage regulator circuit and a CDLL3031B, the power supply voltage can be controlled. This is useful in many applications such as switching power supplies, stabilizing and regulating the output of an inverter, or for clamping and demodulating of input signals.In addition to voltage regulation, the CDLL3031B can also be used as a voltage reference in many analog and digital circuits. In such circuits, it is used to provide a constant reference voltage, which signals can be compared to, amplified, or even modulated. This diode can also be used in overvoltage protection circuits, as it works as a clamping device that absorbs excessive power when the circuit is overloaded.Overall, the CDLL3031B is a very versatile device with a wide range of uses. Its small size and wide operating temperature range makes it suitable for a variety of applications. Whether it is used in analog or digital circuits, the CDLL3031B is an ideal choice for applications that need a stable and constant voltage.

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