SMF18A-T13

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

Transient Voltage Suppression Diode (TVS) is a device that insulates or protects electrical components from high energy disruptions such as electrostatic discharge (ESD). The SMF18A-T13 is a type of TVS designed for ESD protection on cellphones and other portable electronic devices. It can protect an electronic device from a surge current of up to 18A and a maximum surge voltage of 13V.

The SMF18A-T13 belongs to the class of bidirectional suppressors, meaning it can protect circuits from both directions. It has a fast response time, usually in the range of 5-10 nano seconds, and it\'s made of a monolithic junction with an ultra low capacitance. The capacitance value is determined by the construction of the junction which consists of two diodes connected in series.

The working principle of the SMF18A-T13 involves two stages - clamping and absorption. When there is an ESD pulse, the clamping stage kicks in first to limit the peak current by providing a low impedance path between the two terminals. Once the peak current is below 18A, the suppression voltage builds up. This initiates the absorption stage, in which the TVS absorbs the energy of the pulse by clamping the voltage, dissipating it as heat, and then releasing it.

The SMF18A-T13 is typically used for protecting sensitive circuits from damage caused by ESD pulses, electro-magnetic interference (EMI), and other electrical transients. It is designed to be used in environments that require a minimum leakage current, such as medical equipment, cell phones, personal digital assistants (PDAs), and other portable electronic devices. It can also be used in high vibration environments, as its design offers effective protection from mechanical stresses.

The SMF18A-T13 is available in a wide range of packages and lead style options, making it suitable for use in a variety of applications. It is designed to meet the requirements of several international standards, such as UL247, IEC 61000-4-2, and IEC 61000-4-5. The device also meets the requirements set by the China Compulsory Certification (CCC) and Korea\'s Radio Research Laboratory (RRL).

The SMF18A-T13 can be used to replace MOVs (Metal Oxide Varistors) in ESD protection applications. The advantage of using the SMF18A-T13 is that it offers a cost effective and reliable solution with a low failure rate. Moreover, it has a low capacitance of 0.03pF, which means it doesn’t interfere with the high frequency signals.

In conclusion, the SMF18A-T13 is a transient voltage suppression diode designed for ESD protection in cell phones, PDAs, portable, and other electronic devices. Its design ensures low capacitance, fast response time, and effective protection from EMI and other electrical transients. Considering its features, it is more cost effective and reliable than other ESD protection solutions.

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