SMAJ5939E3/TR13

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 electrical devices that are used to allow current to flow in one direction only and are used in many different applications. One type of diode that is commonly used is the Zener diode, which is used to regulate voltages and protect circuits from overvoltage. The SMAJ5939E3/TR13 is a single Zener diode used in a variety of applications.

Overview of SMAJ5939E3/TR13

The SMAJ5939E3/TR13 is a single Zener diode with a peak pulse power rating of 350W. It is rated as a 3.3V Zener diode, with a maximum power dissipation of 500mW. Additionally, it has a test current of 5mA and a minimum breakdown voltage of 5.05V. The SMAJ5939E3/TR13 is housed in a DO-214AA SMB package, and meets the requirements of both RoHS and ESD.

Applications

The SMAJ5939E3/TR13 is used in a variety of applications, including the following:

• Radio receivers and transmitters.
• Voltage regulation and overvoltage protection circuits.
• DC power supplies.
• Clamping or diode-clamping circuits.
• Integrated circuits for protection against high-voltage surges.
• Surge protectors.
• Electronic meters and instruments.

Working principle

The working principle of the SMAJ5939E3/TR13 is based on the fact that it has a highly doped p-n junction. When a current flows through the diode in one direction, it is easy for holes in the p-type material to recombine with electrons in the n-type material due to the strong attraction between them. However, when a current is applied in the reverse direction, this same process does not occur and the diode does not conduct.

The Zener effect occurs when a very small reverse voltage is applied to the diode. This reverse voltage causes the depletion region to expand, allowing electrons and holes to cross through. This causes a current to flow through the diode, resulting in a voltage drop.

When the voltage reaches a certain threshold, the diode enters a state of unstable equilibrium and starts to conduct a large amount of current, leading to a sharp peak in the diagram. This peak is known as the Zener voltage and is used to regulate the voltage in circuits.

Conclusion

In conclusion, the SMAJ5939E3/TR13 is a single Zener diode that is used in many applications, from radio transmitters and receivers to voltage regulation and overvoltage protection circuits. The working principle of the diode is based on the Zener effect, which occurs when a small reverse voltage is applied to the diode, resulting in a voltage drop.

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