BZX84B4V3-7-F

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, in general, are components used in electronics for allowing electric current to flow in only one direction, typically recognised as a rectifier. Zener diodes are a type of diode designed to be used primarily in reverse bias, allowing the current to flow in either forward bias or reverse bias. Zener diodes are designed to maintain a set voltage when used in reverse bias, which is determined by their “Zener voltage”. Single Zener Diodes, as the name may suggest, are the simplest form of Zener diode, consisting of a single layer of semiconductor material that can conduct both Reverse and Forward bias currents. The BZX84B4V3-7-F is one such isolated Zener single diode, and its application field and working principle is detailed in this article.

The BZX84B4V3-7-F is a range of Zener single diodes manufactured by NXP, formerly known as Philips Semiconductor. This particular model is a 3.6V supply, SOD-123FL package, with a PPAK package, suited for medium power and low reverse current. Its power ratings are improved over the previous models, allowing for reduced power dissipation and greater cost efficiency. The 3.6V breakdown voltage also signifies that this diode is highly suited for overvoltage protection, stabilising a power line or regulator circuit to a certain voltage point. The PPAK SOD-123FL package also lends to its use in small space designs, along with a maximum temperature rating of 125°C and low reverse leakage that maintains its efficiency.

In terms of working principles, the Byx84B4V3-7-F utilises the process of Zener Breakdown to operate. All diodes initially work based on the concept of rectification, allowing current flow in a single direction when in forward bias, but blocking it when in reverse bias. The junction of semiconductor in a normal diode is highly resistant against reverse bias, but this resistance can be reduced by increasing the reverse bias voltage further, leading to an avalanche of electrons and creating an alternate conduction path. This phenomenon is known as Zener breakdown, and allows current to flow in reverse bias. The BZX84B4V3-7-F utilises this Zener breakdown to maintain its breakdown voltage, say 3.6V, until the applied voltage drops below this level. It also stabilises power sources and in circuits that use a limited amount of current. Since the BZX84B4V3-7-F is a single diode, it does not require a large amount of current and its applications are limited to lower current circuits. Nonetheless, it can still be used in a large range of settings, with its low leakage current, excellent temperature characteristics and good peak power.

The BZX84B4V3-7-F is an excellent choice for those looking for a reliable and cost-efficient Zener Single Diode, as it is well suited for low reverse current power and medium power applications. It is available in a variety of packages, giving it a suitable form factor for practically any circuit setup. The 3.6V breakdown voltage is highly useful for overvoltage protection, allowing for a greater level of protection to costly devices. And above all, its low leakage current allows for greater efficiency and lesser energy wastage under various settings.

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