SM15T30CA-E3/57T

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 (transient voltage suppression) diodes are semiconductor components used to protect sensitive electrical components from voltage spikes or transients. They work much like regular diodes in that they can be used to control the direction of current flow and can be easily incorporated into an electrical circuit. However, TVS diodes also have the ability to suppress or absorb high voltage electricity, safeguarding other components in the circuit from damage.

The SM15T30CA-E3/57T is a type of TVS diode made by the electronics manufacturer ST Microelectronics. It is rated to suppress up to 15KV of transient voltage, making it suitable for applications dealing with very high voltage transients such as automotive electrical systems. The SM15T30CA-E3/57T is a bi-directional TVS diode, meaning it can suppress voltage spikes travelling in either direction. This makes it ideal for use in situations where transients may come from either side of the circuit, such as from a power supply or from the load itself.

The SM15T30CA-E3/57T is typically used in automotive applications such as electric windows, airbag control systems, electronic fuel injection systems, and door locks. It is suitable for use in tight spaces due to its small size, and its RoHS (Restriction on Hazardous Substances) compliant construction makes it environmentally friendly. Additionally, its low forward voltage of 1.2V makes it suitable for use in low-voltage circuits.

The working principle of the SM15T30CA-E3/57T is simple. When exposed to a transient voltage, the diode acts as a very fast switch, quickly changing its resistance and providing a pathway for the excess electricity to flow away from the sensitive components in the circuit. As the voltage increases, the resistance of the diode decreases, allowing more and more current to pass through and dissipate as heat until the transient voltage is neutralized.

In summary, the SM15T30CA-E3/57T from ST Microelectronics is a bi-directional TVS diode that is specifically designed to protect sensitive components from transient voltages. Its small size and low forward voltage make it ideal for tight spaces and low-voltage circuits, and its RoHS compliant construction make it an environmentally friendly option for automotive applications. Its working principle is simple, and when exposed to a transient voltage it quickly diverts the excess electricity away from sensitive components and neutralizes it.

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