IRD3909R

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

IRD3909R is a type of single rectifier diode, capable of passing current in one direction while blocking the current flow in the other direction. It is known for its compact size, fast response time and high reliability, making it an ideal choice for automotive and industrial applications. This type of rectifier diode has a wide variety of applications, ranging from reverse-battery protection, over-voltage protection, over-current protection, spike suppression and power factor correction.

The working principle of the diode is based on the P-N junction. It is a semiconductor device with one layer of each type of dopant, meaning it has both P-type and N-type sections. When the P-type and N-type materials are combined, an electric field is created. This electric field acts as a barrier for current flow, blocking current flowing in the reverse direction.

When the anode side of the diode is connected to the positive terminal of the voltage source and the cathode side is connected to the negative terminal, it is said to be forward-biased. In this state, the electric field is reversed, allowing the current to flow through the diode with minimal resistance. This is referred to as the forward conduction mode. On the other hand, when the anode is connected to the negative terminal and the cathode is connected to the positive terminal, it is said to be reverse-biased. In this mode, the electric field acts as a barrier, blocking the current flow. This is referred to as the reverse blocking mode.

The IRD3909R is well-suited for use in automotive and industrial applications due to its small size and fast response time. It can be used for reverse-battery protection, over-voltage protection, over-current protection, spike suppression, and power factor correction. It is also used for diode bridge rectifier circuits to convert AC current to DC current. It can be used in various high-frequency switching circuits and power supplies to regulate the voltage and current.

In summary, the IRD3909R is a type of single rectifier diode used in automotive and industrial applications due to its small size, fast response time and high reliability. It works on the basis of the P-N junction, and can be used for reverse-battery protection, over-voltage protection, over-current protection, spike suppression and power factor correction. It can also be used for diode bridge rectifier circuits, as well as other high-frequency switching circuits and power supplies.

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