SMAJ13CA-QH Circuit Protection

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TVS - Diodes are electrical components used in circuit designs to protect against excessive electrical current and voltage. The SMAJ13CA-QH is a specific type of TVS - Diode designed to protect vulnerable systems from large surges. The following is an overview of the application fields and working principles of this important and widely-used component.

The SMAJ13CA-QH is typically used in consumer electronics and computer applications, including motherboards, Audio / Visual equipment, and data processing systems. As a highly efficient and reliable component, it is specifically designed to protect against transient voltage spikes in low and moderate power applications. It is best suited for line to ground applications, allowing circuit designs to be protected from outside spikes without the need for additional components.

In terms of the working principle, the SMAJ13CA-QH uses a diode’s reverse breakdown to provide protection from electrical spikes. A diode is made up of two terminals (anode and cathode) and a conducting region between them that allows electrons and holes to flow in one direction only. When a diode reaches its voltage breakdown point, the current flow in the reverse direction increases exponentially, thereby limiting the voltage across the component.

The SMAJ13CA-QH has a peak pulse power of 900W and a maximum clamping voltage of 57V. It can withstand pulse durations up to 8.3ms and a junction temperature up to 175°C. It has high surge current handling capability, allowing it to manage especially large surges with ease. The component is also very small, allowing circuit designs to fit in more tightly-packed spaces without the issue of overheating.

The SMAJ13CA-QH is compliant with various EMC safety standards, including AECQ-100, and UL-94. It is also UL-recognized and environmentally friendly, making it a good choice for designers looking to minimize their impact on the environment.

Overall, the SMAJ13CA-QH is an important component in many circuit designs. By combining its working principle and size with the high voltage and surge capability it offers, the SMAJ13CA-QH is an indispensable part of any circuit design that needs to be protected from large voltage spikes.

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