1N4129UR-1

Series:	*
Part Status:	Active

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 an important component used in many electronic circuits and applications. The 1N4129UR-1 is one type of diode, specifically a Zener diode, which gives it unique properties that make it useful in electrical designs. In this article we will discuss the general application field and working principle of the 1N4129UR-1.

Zener diodes are a type of diode designed to operate in the reverse biased direction. This means that the anode and cathode electrodes function in reverse, with the anode being at a lower potential than the cathode. The reason for this reversed functioning is that the 1N4129UR-1 was designed to allow a voltage the other way when it is designed to break down in a reverse biased direction, at a certain pre-defined voltage. This breakdown voltage can be pre-set, allowing it to act as a reference voltage or shunt regulator.

The 1N4129UR-1 is a 3.3V Zener diode, popular for general-purpose applications in electronics. It is used for voltage regulation and can be connected in reverse polarity in order to act as a protective measure for the circuit by causing a short circuit whenever the voltage exceeds the set limit. It is also useful for current limiting applications, helping to protect the circuit from over-current conditions.

The 1N4129UR-1 has a wide range of operating temperature and maximum thermal dissipation. It is also designed with low leakage current, making it suitable for use in noise sensitive circuits. The maximum operating temperature range is -65°C to +175°C and the maximum power dissipation is 5mW. This makes it ideal for many different types of applications.

The operating principle behind the 1N4129UR-1 is based on the principle of reverse bias and breakdown. When a reverse voltage is applied, the voltage will cause a concentration gradient of the majority carriers across the junction, resulting in a depletion region. This depletion region will increase until the zener voltage is reached, at which point there is an avalanche breakdown and the current flow increases rapidly. This voltage can be controlled, and with proper control, it can be set precisely.

The 1N4129UR-1 can be used in a wide variety of applications, most notably in voltage regulation, current limitation, and noise reduction. It can be used to provide voltage regulation and protection in power supplies, and provide a fixed reference voltage in systems that require an accurate, stable voltage. It can also be used as a current limiter in over-current protection circuits, allowing a system to keep running safely even in cases of excess current.

The 1N4129UR-1 Zener diode is a versatile and reliable component, with a wide variety of applications in both digital and analog systems. Its reverse-biased current regulating properties make it ideal for many types of applications across many disciplines. Its wide range of operating temperatures and power dissipation make it suitable for use in a variety of temperature sensitive applications. With its reliable performance, it is an essential component for many types of electronic circuits.

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

Part Number	Manufacturer	Price	Quantity	Description