1N4773A

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

1N4773A is a type of zener diode that is a two terminal, nonlinear semiconductor device specially designed for suppressing voltage transients and operating over a wider voltage range than what is common for other types of diodes. 1N4773A generally consists of a low forward resistance and a reverse breakdown voltage. It is typically used for applications where very low level transient or voltage regulation needs to be obtained.

1N4773A is beneficial for various applications due to its wide forward voltage range and relatively small reverse current. It is primarily used for voltage regulation, reverse bias protection, voltage multipliers, voltage dividers, and feedback amplifiers in many electronic systems. Owing to its capability of withstanding large transient voltages, 1N4773A is widely deployed in power supplies, amplifiers, and automotive electronics.

The working principle of 1N4773A is the same across all semiconductor diodes, which is based upon the P-N junction. P-N junction is formed when a p-type doped material is combined with an n-type doped material. The resulting electrical junction of the two materials makes them work as a rectifier. A zener diode, such as 1N4773A, works as a current source in reverse bias and acts as a voltage limiter or regulator, by clamping the voltage at the breakdown voltage.

In 1N4773A, the breakdown voltage is determined by the specification of the form of doping used in the manufacturing process. When the applied voltage across the PN junction exceeds the zener breakdown voltage, the voltage satuates at that zener breakdown voltage, initiating a large finite current flow through the diode. This conductive state of the diode remains active even when the applied voltage falls below the breakdown voltage.

The cutoff and saturation voltages of 1N4773A allow it to function in both forward and reverse bias situations. In forward bias, 1N4773A shows perfect rectification of the input voltage by allowing a current to flow in one direction only. In the reverse bias, forward current through the diode is reduced to a leakage current, acting as a voltage regulator.

1N4773A has numerous advantages such as stability, minimal thermal runaway, wide operating temperature range, low cost, and low power consumption which make it suitable for a wide range of applications. In addition, its small package size and simple biasing requirements make it a popular choice for many applications.

1N4773A is a great choice for applications that require precise control over voltage or current values. It is used in many consumer electronics, such as TVs and computers, where accurate voltage regulation and low noise levels are required. Furthermore, it’s ability to withstand large amounts of transient voltages makes it popular in automotive electronics, such as protecting power amplifiers from overload or sudden voltage drops.

In summary, 1N4773A is an efficient and effective Zener diode that offers wide operating voltage and forward voltage ranges, low forward resistance, and low reverse current. It is used in many applications due to its stability, wide operating temperature range, low cost, and its ability to withstand large transient voltages.

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