1N4979

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 are electronic components that allow electricity to flow in one direction only. Zener diodes, in particular, are used to regulate voltage levels in circuits. The 1N4979 is a single Zener diode from the N49XX series of Zener diodes manufactured by Lite-On. This article will discuss the 1N4979’s application fields and its working principle.

The 1N4979 is a data switching diode and is commonly used in a wide range of digital communication applications. It is an ideal switch for high-speed data communications, such as RS-232, Universal Serial Bus (USB), and Integrated Services Digital Network (ISDN).

The 1N4979 is suitable for a wide variety of voltage regulation and stabilization applications. It can be used in power supplies, battery chargers, and voltage regulators. In addition, it is suitable for fly-back striking voltage in the automotive industry and for the reference voltages in TVs and monitors.

The 1N4979 is a low-profile diode constructed from a single layer of epitaxial silicon. It has an R-6 (1/6 Watt) pinout with a flat, black anode lead. It has a low-voltage breakdown with a Zener voltage of 15 volts.

The 1N4979 is a Zener diode, meaning that it has a breakdown voltage at which it begins to conduct electricity in both directions. This is known as the Zener effect. The Zener voltage is the voltage at which this breakdown occurs.

When a voltage lower than the Zener voltage is applied across the diode, the diode will not conduct current. However, when a voltage higher than the Zener voltage is applied, the diode will begin to conduct electricity, and the voltage at the anode and cathode will equal the Zener voltage. This prevents voltage spikes and protects components downstream, such as transistors, from damage.

The 1N4979 has a wide operating temperature range, from -55°C to +125°C, and can handle reverse power of up to 5 Watts. Its power dissipation is very low, with a maximum junction temperature of 125°C.

The 1N4979 diode is suitable for surface-mount applications, as it has very low-profile height and footprint requirements. It is robust and reliable, making it suitable for use in a wide range of harsh environments.

In conclusion, the 1N4979 is a low-profile, low-voltage Zener diode suitable for a wide range of applications. It is capable of regulating voltages, protecting components from damage, and providing voltage stabilization. Due to its small size and robust construction, it is suitable for use in many digital communication and industrial applications.

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