YFZVFHTR3.9B Discrete Semiconductor Products

Diodes - Zener - Single - YFZVFHTR3.9B Application Field and Working Principle

YFZVFHTR3.9B is a single zener diode, with a breakdown voltage of 3.9V and power dissipation of 1/2W. This diode is often used in reverse bias applications and is capable of providing cicuit protection and voltage regulation. As the current flow remains constant even if the input voltage is above the breakdown voltage, the YFZVFHTR3.9B is well suited for providing a constant output voltage in power supplies, voltage regulators and voltage limiters.

The YFZVFHTR3.9B has a reverse bias voltage conduction which is relatively low for higher dissipation types; it is used in circuits where reverse current is essential. It is also useful in power management and circuit protection applications, as it has a reverse-biased breakdown voltage of 3.9V and a power dissipation of 1/2W.

The working principle of a single zener diode YFZVFHTR3.9B is based on the principle of electric current conduction. When the voltage forward to the device is lower than the breakdwon value, electric current conduction does not occur and the device acts as an open circuit. However, when the voltage reaches or exceeds the breakdown voltage of the device, electric current conduction starts, as the device’s resistance drops to a low value. This mechanism is commonly known as the zener effect. The zener effect is caused by the electric field caused by the current conduction through the diode, which in turn causes electric charges to be released, thus allowing electric current to flow.

The advantages of a single zener diode YFZVFHTR3.9B include its low cost, high efficiency and ease of vehicle operation. It is also capable of controlling the voltage within a certain range and can be used in various applications such as switching and regulation, which can help to reduce power consumption and improve power efficiency.

The YFZVFHTR3.9B is a reliable and easy-to-use zener diode which is used in a wide range of applications. It is suitable for providing a constant output voltage in power supplies, voltage regulators and voltage limiters.