SMAJ45A-13

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TVS - Diodes are designed to protect electronic equipments from overvoltage transients. The SMAJ45A-13 is one of the most popular TVS devices in the market and is used to suppress and absorb transient overvoltage from high frequency circuits. It has a low capacitance and low breakdown voltage making it ideal for use in many applications.

The SMAJ45A-13 provides excellent bidirectional transient protection for both positive and negative transients. It features a fast response time of less than 1ns, making it suitable for fast transient protection applications. It is designed to withstand repetitive ESD discharges up to 25Amps, making it highly reliable in high voltage environments. Also, the low capacitance of 3.3pF makes it suitable for high frequency circuit protection.

The SMAJ45A-13 is widely used in the automotive industry due to its low breakdown voltage of 13V and its fast response time of less than 1ns. It is ideal for ESD protection in engine control modules, safety equipment, and many other electronic components. It can also be used in power systems, industrial control systems, communication systems, and many other applications.

The working principle of the SMAJ45A-13 is based on the avalanche breakdown effect. When an overvoltage transient occurs, the avalanche breakdown effect triggers and the doping concentration of the device increases, causing an increase in current. This current then triggers the breakdown voltage of the device. The breakdown voltage limits the voltage across the device and the current is dissipated as heat, thus protecting the system.

The SMAJ45A-13 is also designed to handle repetitive ESD and lightning transients. It features a unique reverse conduction capability, which allows it to clamp the transients to a safe level. Additionally, it is also designed to be used in high frequency lines, thereby providing protection against high energy radio waves.

The SMAJ45A-13 is a versatile TVS device that is suitable for a wide range of applications. Its low capacitance and fast response time make it ideal for protection against overvoltage transients in high frequency circuits. It is also designed to handle repetitive ESD and lightning transients, making it reliable and dependable for applications in the automotive and industrial sectors.

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