1N4149

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 - Rectifiers - Single

A diode is a two-terminal electronic component. It allows current to flow through it in one direction only as a result of which it is also called a rectifier. Among the numerous types of diodes available today, one of the well-known varieties is the 1N4149 diode.

1N4149 Application Field

1N4149 is a widely used fast switching diode which is generally operated in a standard guide environment. It is suitable for use in computing and telecommunications equipment, industrial applications, and even consumer electronics. 1N4149 diode can be found in applications where low power loss and high reverse surge current rating is required..

1N4149 Working Principle

When applied in a forward bias state, the current flows through the diode and the depletion region becomes smaller. The 1N4149 diode is capable of a very high current rating, due to its structure, with the maximum peak current rating being dependent on the average current flowing through it.When the diode moves into a reverse bias state, the depletion region around the junction becomes thicker. This then prevents current from flowing through the diode. The breakdown voltage of 1N4149 is quite low, meaning that if the voltage is raised above this level, then it is possible for a high amount of current to flow through the diode. In conclusion, the 1N4149 diode is mainly used for rectification purposes; to convert the AC signal into a DC signal. They are also used to limit the amplified output signal from power transistors or amplifying stages, so as to prevent them from being damaged due to an increase in voltage or current that might be caused by transient high power signals in the input signal.

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