SMC3K60CA-M3/9A

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TVS (Transient Voltage Suppressor) diodes are essential components used in many modern day electronic devices, specifically in the context of voltage protection, for providing the necessary protection of sensitive electronic components from surge voltages caused by electrostatic discharge, transients, and other electrical disturbances.

The SMC3K60CA-M3/9A is a type of TVS Diode that is particularly suited for protecting various types of electronics components. This type of diode has an ultra-low leakage current and a very low working voltage of 3.6 Volts and a minimum breakdown voltage of 20 Volts. It has a rated peak pulse power of 600 Watts, and a peak reverse power dissipation of 1 Watt. It can also withstand a peak surge current of 1.5KA. The device is housed in a SMA-DO-214AC package with a lead free finish.

The SMC3K60CA-M3/9A is designed to respond rapidly to surge voltages or sudden changes in current, preventing voltage overshoots and/or current overloads that could potentially damage electronic components. This type of diode is therefore suitable for use in a wide range of application scenarios, and the SMA-DO-214AC Power Diode package offers an advantage as it offers superior electrical and thermal performance.

The main application fields for this diode are automotive, consumer and industrial electronics, as well as the military and aerospace industries. It is commonly used for protection in printed circuit boards, consumer electronics, telecommunications, automotive electronics, as well as in data systems and computers. The SMC3K60CA-M3/9A is also used in applications requiring a high peak reverse power dissipation, such as power converters.

The working principle of the SMC3K60CA-M3/9A is based on the phenomenon of avalanche breakdown. In the case of an overvoltage, the diode rapidly kicks in and begins to conduct current, thereby limiting or suppressing the current surge. This voltage suppression occurs mainly due to the breakdown of the semiconductor material, within a certain voltage range. The breakdown voltage is determined by the breakdown voltage of the junction material, which is usually intrinsic to the diode.

The SMC3K60CA-M3/9A is able to protect its associated equipment from overvoltage conditions, and the high current that follows. This is achieved through the abrupt breakdown of the junction, allowing excess current to flow and be dissipated as heat. This can prevent damage to sensitive components, including ICs, transistors, and capacitors.

In summary, the SMC3K60CA-M3/9A TVS diode is an essential component for safeguarding vital electronics from transient voltage surges. Its ultra-low leakage, low voltage rating, and good peak surge current capacity make it suitable for a range of applications, from consumer electronics to military and aerospace. Its working principle is based on the avalanche breakdown phenomenon, allowing sudden current flows to be dissipated without damaging vulnerable components.

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