SM6T18A-M3/52

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 Suppressor) Diodes are widely used device for protecting sensitive electronic equipment from unexpected voltage transients. The SM6T18A-M3/52 is an unidirectional TVS diode specifically designed for surge and ESD protection. The device has a low breakdown voltage and is capable of handling high peak surge currents with low clamping voltage.

The SM6T18A-M3/52 is a surface mount device utilising a Zener diode structure with a back-to-back Thyristor structure designed to handle extremely high transient currents. It consists of two alternate layers of Zener diodes connected back-to-back and in series with a surface-mounted series resistor on the same chip. The surface-mounted series resistor controls the current flowing through the device and limits the surge current drawn through the device. The low breakdown voltage of the SM6T18A-M3/52 minimizes the voltage stress on the device due to fast transients.

The SM6T18A-M3/52 offers superior protection against surge and ESD events on power and signal lines. This device is suitable for applications such as consumer electronics, automotive, industrial automation, and military. The device is designed to meet IEC 61000-4-x, IEC 6100-4-y standards, and is UL 1459 approved to meet UL60950 requirements for ESD events.

The SM6T18A-M3/52 is designed to protect sensitive electronic components from voltage transients. The device operates by clamps the voltage on the power/signal lines to a maximum predetermined level during surges or ESD. The working principle of the SM6T18A-M3/52 is to provide a fast clamping action at the specified breakdown voltage by using the back-to-back Thyristor structure which is capable of switching in less than 1 micro-second.

When the surge or ESD event occurs, the voltage generated due to the event is clamped to the breakdown voltage of the Thyristor structure. The back-to-back Thyristor structure also provides the capability for the device to sustain significant current surge without damage. The current surge capability of the SM6T18A-M3/52 is dependent on a series resistor connected to the device. The series resistor provides protection against excessive surge currents and ensures that the device operates within its current and voltage ratings.

The SM6T18A-M3/52 is available in an SMD (surface mount device) package and is offered in different package sizes depending on application requirements. The SMD package of the device allows for easy mounting onto PCB boards and flexibility for placement during machine soldering. The device also offers excellent thermal runaway protection to prevent any damage due to possible overheating.

In conclusion, the SM6T18A-M3/52 is a widely used device for surge protection and ESD events. It provides reliable performance under surge and ESD events, and is available in a variety of packages to meet specific application requirements. The device utilises a back-to-back Thyristor structure for fast clamping action and offers excellent thermal runaway protection to prevent damage to sensitive components. The SM6T18A-M3/52 is suitable for use in consumer electronics, automotive, industrial automation, and military applications.

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