SMF15A-E3-08 Circuit Protection

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 (Transient Voltage Suppression Diodes) are widely used to protect against transient voltage pulses due to lightning or caused by static electricity.

In particular, the SMF15A-E3-08 is a low-capacitance Unidirectional Transient Voltage Suppressor (TVS) adapted for high-speed data line protection. The SMF15A-E3-08 is designed to meet the requirements and protect equipment and electronic circuits against over-voltage transients. It has an ultra-low capacitance rating of 0.25pF, which makes it well-suited for use in ultra-fast signal transmission lines and protect against transient voltages such as ESD (electrostatic discharge) and EFT (electrical fast transients).

SMF15A-E3-08 is commonly used in various fields such as consumer electronics, data communications, digital networking, high-speed interfaces, aircraft, automotive, industrial, and medical applications. One typical application is seen in data communication systems such as USB and HDMI connections. When lightning strikes, or static electricity is present, SMF15A-E3-08 will protect the lines from the transient voltage pulses.

SMF15A-E3-08 works by clamping transient voltage. It acts as a “shunt” and as current flows through it, the voltage across it is very low, thus providing protection for the connected equipment or circuits. When the transient voltage level is higher than the part’s on-state voltage rating, then the TVS diode becomes brief switched on and limits the voltage at its output. As the TVS diode has a lower on-state voltage than the transient voltage, it allows for a safe dissipation of the energy.

It is important to remember that TVS-Diodes are designed to protect against transient voltages, not against sustained voltage levels. As such, they are used together with voltage regulators or a power supply with integrated over-voltage protection.

The SMF15A-E3-08 is offered in an ultra-compact SOT-23 (package type) package, which makes it suitable for a wide range of applications where a small footprint is needed. This, in combination with its low capacitance value, make it a very desirable component for high-speed applications.

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