S34120

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

The Single rectifier diode S34120 is a switching semiconductor device that allows current to flow in one direction only. It is used to convert alternating current (AC) to direct current (DC) and is a vital part of designing a reliable power supply for numerous electrical and electronic applications. This article will discuss the application field and works of a S34120 Rectifier Diode.

One of the most common uses of a rectifier diode is in AC-DC power supplies. An AC-DC power supply uses a rectifier diode to convert alternating current to direct current. AC-DC supplies are used everywhere from domestic appliances such as vacuum cleaners and electric drills to industrial and medical equipment. The rectifier diode is essential for any device that requires an efficient and reliable AC-DC power supply.

Rectifier diodes are also used in voltage multiplier circuits. Voltage multiplier circuits are used to generate stable high DC voltages from AC input, at an efficiency of greater than 95%. They are primarily used in power supplies for high voltage applications such as laser diodes, thyristors and HID lighting.

Another common application of rectifier diode is in protecting electronics from overvoltage and voltage surges. Transients and spikes on AC power lines can cause significant damage to electronic components. Rectifier diodes can effectively protect sensitive electronics from the effects of these transients.

As the name suggest, a rectifier diode is a device that rectifies voltage. It has two electrical terminals through which current flows, an anode and a cathode. Current can only flow in the anode to cathode direction and any current travelling in the opposite direction will be blocked. When an alternating voltage is applied to the diode, the diode will conduct current during the positive half cycle and block current during the negative half cycle. This process of rectifying alternating current to direct current is known as half-wave rectification.

The S34120 Rectifier Diode can also be used for full-wave rectification by connecting them in a bridge configuration. Full-wave rectification is more efficient than half-wave, as it utilises the positive and negative half cycles of the AC sinusoid to generate DC voltage. In the bridge configuration, two rectifier diodes conduct during each half cycle, enabling the process of full-wave rectification.

The S34120 Rectifier Diode has a low voltage drop of around 0.5V, and carries a current of 3A with a peak reverse voltage (PRV) of 400V. The diode has a short reverse recovery time of 50-100ns, which makes it ideal for switch mode power supplies (SMPS). It has a low power loss and is suitable for high frequency applications, making it a preferred rectifier diode for numerous applications.

In conclusion, the S34120 Rectifier Diode is a versatile device with many applications, such as AC-DC power supplies, voltage multiplier circuits, surge protection and rectification of AC voltage. It is capable of a current rating of 3A with a low voltage drop and a reverse recovery time of 50-100ns, giving it the capability to handle a variety of power supply related tasks.

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