Series:	--
Packaging:	Bulk
Part Status:	Active
Voltage - Zener (Nom) (Vz):	7.5V
Tolerance:	±10%
Impedance (Max) (Zzt):	4 Ohms
Current - Reverse Leakage @ Vr:	3µA @ 5V
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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CDLL4737 application field and working principle

Diodes - Zener - Single

The CDLL4737 is a Zener single diode with additive noise, which is widely used in electronic devices. This type of diode is specially designed for applications in the field of power switching and protection. In this article, we will discuss the working principle and the application fields of CDLL4737. A Zener diode is a kind of voltage-regulated diode. It is made up of a semiconductor in negative bias. The Zener diode is designed such that when the voltage applied to its cathode is greater than the breakdown voltage, it allows the current to flow through it in reverse direction. The CDLL4737 is designed to provide protection against over-voltage and over-current. It also has an additive noise characteristic which provides protection against electromagnetic noise. The CDLL4737 can be used in applications such as power switching circuits, voltage regulators, voltage limiters, linear regulators, and current commutation circuits. The CDLL4737 has a maximum reverse breakdown voltage of 47V, maximum current of 250mA and a forward voltage of 1.1V. It has a low forward capacitance and an operating temperature range of -40C to +125C. It also has an operating frequency range of 100kHz - 1.2Mhz. The working principle of CDLL4737 is quite simple. When a voltage exceeding the breakdown voltage is applied to its cathode, the diode allows the current to flow through it. This helps in providing protection against over-voltage and over-current. The additive noise also ensures protection against electromagnetic noise. The applications of CDLL4737 includes protection against over-voltage and over-current, power switching circuits, voltage limiters, voltage regulators, linear regulators, and current commutation circuits. It can be used in various electronic devices such as LED drivers, power amplifiers, high-power switching power supplies, and power factor correction circuits. It can also be used in various automotive applications such as engine electrical circuits and relay circuits. The CDLL4737 is a reliable and cost-effective Zener single diode which provides protection against over-voltage and over-current. This type of diode is widely used in various electronic devices due to its cost-effective and reliable performance. In conclusion, the CDLL4737 is a Zener single diode with additive noise which is used in various applications. It has a low forward capacitance and an operating temperature range of -40C to +125C. It provides protection against over-voltage and over-current, and also helps in protecting against electromagnetic noise. Its applications include power switching circuits, voltage regulators, voltage limiters, linear regulators, and current commutation circuits. The CDLL4737 is a reliable and cost-effective diode which is widely used in various electronic devices.

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