SM30T39AY

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, also known as transient voltage suppressors (TVSs), are predominantly used to protect delicate electronic components from electrical transients, such as lightning strikes, electrostatic discharge (ESD) or other off-charging in circuits. The SM30T39AY TVS Diode, a newly developed device , is specially designed to protect TV receivers and VCRs from damage due to power line disturbances or ESD events. This article will provide an overview of the applications and working principles of SM30T39AY TVS Diodes.

An important application of SM30T39AY TVS Devices is their use in television and video cassette recorder (VCR) equipment. Due to the high sensitivity of the television picture tubes, when subjected to electrical discharges induced by lightning, AC line transients of other electrical disturbances, the picture may become distorted or even permanently damaged. The SM30T39AY device is designed for fast response and low dynamic resistance to reduce the risk of permanent damage. The device also has a high I.R. reverse leakage rating of less than 1mA at 12V, helping to provide additional protection from ESD related transients.

Another application of the SM30T39AY device is its use in automotive electronics. This device is used to protect circuits from ESD, transients, and reverse battery connections in automotive systems. The SM30T39AY is capable of dissipating up to 5A of continuous current, making it suitable for short-term inrush current protection. The device provides an extra level of protection by monitoring the reverse current flow and employing a fast response time for current limit.

The working principle of SM30T39AY TVS Diodes is relatively simple. The device comprises of two semiconductor PN junctions connected in reverse bias. When a voltage surge is applied to the device, the junction will reverse bias, allowing current to flow through the device and onto the circuit. The device has a high reverse leakage current rating, which limits the current through the device to safe levels. As the surge passes, the junction bias returns to normal.

As can be seen, the SM30T39AY TVS Diode is a versatile device which can be used to protect many electronic systems. Its working principle is relatively straightforward, allowing it to be quickly implemented in a variety of circuits. Its ability to handle both continuous and transient events makes it a great choice for applications such as automotive electronics as well as television and video cassette recorder equipment.

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