1N4478US

Series:	--
Packaging:	Bulk
Part Status:	Active
Voltage - Zener (Nom) (Vz):	36V
Tolerance:	±5%
Power - Max:	1.5W
Impedance (Max) (Zzt):	27 Ohms
Current - Reverse Leakage @ Vr:	50nA @ 28.8V
Operating Temperature:	-55°C ~ 175°C
Mounting Type:	Surface Mount
Package / Case:	SQ-MELF
Supplier Device Package:	--

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Diodes - Zener - Single

The 1N4478US is a single zener diode that is widely used in a variety of applications. This small, inexpensive diode is used as a reference in a wide range of electronic devices from smartphones to large industrial systems. In this article, we will take a look at the application field and working principle of the 1N4478US diode.The 1N4478US is a low voltage zener diode designed for use in electronics devices. This type of diode is designed to regulate an electrical current in a circuit. Its simple construction makes it reliable and robust, making it ideal for many applications that require a stable reference voltage.The 1N4478US has a Zener voltage of 3.3V and a maximum power dissipation rating of 500mW. It is also capable of handling up to 500mA of reverse current. These features make it well suited for use in applications such as voltage regulation, over-voltage protection, signal processing, and level shifting.The 1N4478US works by using the reverse breakdown of its junction. This is a process where a large voltage is applied to the diode, causing the valence electrons of the P-N junction to break free. This creates a reverse current that can be used to regulate the voltage of the circuit. The Zener voltage of the diode is determined by the application and can range from 0.3V to 20V.The 1N4478US is a reliable and robust diode that is suitable for a wide range of applications. Its simple construction makes it easy to integrate into a circuit, and its low cost means it is accessible to hobbyists as well as designers and engineers. Its low power consumption and reverse current capability make it ideal for applications where power efficiency and reliability are key.In summary, the 1N4478US is a versatile and reliable single zener diode that is widely used in a variety of applications. Its low cost and simple construction make it easy to integrate into a circuit and its low power consumption and reverse current capability make it an ideal choice for many electronic applications. The 1N4478US can be used for voltage regulation, over-voltage protection, signal processing, and level shifting, among many other applications.

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