SMLJ30A-QH

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

TVS－Diodes may well be one of the most important components used for electronics applications today. They are used to protect against ESD, EFT, surge and transients. They act as a barrier between the electronics system an external source of high voltage impulses. The SMLJ30A-QH is a leading solution in this regard, and it is worth understanding its application field and working principle.

Overview

The SMLJ30A-QH is a transient voltage suppressor diode that bring certain very important benefits to the table, including fast response, high power, low leakage, guarding against both negative and positive transient voltage, and fast surge response. This device is commonly used in automotive applications like in-car electronic, as well as consumer applications including televisions, computers, cell phones, as well as digital and communication equipment.

Working Principle

The SMLJ30A-QH works through the principle of avalanche breakdown of PN junction. When there is an overvoltage surge, the hole concentration and electron concentration of the PN junction decrease, allowing the current to flow in the reverse direction. This current increases until the surge voltage is not strong enough to keep up with the current. Ultimately, the device will clamp the voltage to a safe level, thus protecting the enclosed circuits.

Features

One of the main features of the SMLJ30A-QH is its low capacitance, which allows the device to respond quickly to the transients. Its high peak power rating allows it to absorb the energy of the surge without damage. It also features an integrated ESD protection, meaning that it will protect the enclosed components from electrostatic discharge.

Advantages

Given its protection capability, the SMLJ30A-QH has many advantages for its users. These include low leakage current, good clamping capability, high response speed, and high power rating. Additionally, the device is designed to be very reliable, and it works under a wide ambient temperature. This allows it to be used in widely varying environments.

Conclusion

The SMLJ30A-QH is a leading transient voltage suppressor diode that provides excellent protection against surges and transients. It is used in automotive and consumer applications, and it boasts a wide range of features and benefits. Its low capacitance ensures fast response, while its high peak power and integrated ESD protection provide additional advantages. Its reliability makes it a great choice for any electronics application.

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