SMLJ12CA-QH

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TVS Diode, or TransZorb, refers to a transient voltage suppression device, which is a form of a varistor designed for surge protection or to protect against electrical transients. The aim of this TVS Diode, such as the SMLJ12CA-QH, is to protect against overvoltage, such as electrostatic discharge or transients that may be caused due to external sources that can enter an electrical system. This encourages the safety and reliability of the electrical system.

The SMLJ12CA-QH TVS Diodes is a unidirectional overvoltage protection for analog and digital lines. With an operating temperature range of -55°C to 150°C, it offers a peak pulse power rating of 600 watts. Its maximum voltage rating is 12V, and it has a relatively low working voltage of 5V.

The working principle of the SMLJ12CA-QH TVS Diode is relatively simple. It can be roughly divided into two steps. First, when the voltage is lower than the breakdown voltage, no current flows. When it reaches or exceeds the breakdown voltage, current is allowed to flow as it is now in a conductive state. During this state, the TVS diode acts like a short and conducts the voltage away from the protected device. When the current reaches its maximum rating, it will turn off the short and no current will flow.

The wide application field of the SMLJ12CA-QH TVS Diode spans across a variety of industries, including consumer electronics, automotive, telecommunications, networking, medical, and industrial. It is an ideal for components for high-value circuits where minimizing losses due to electrostatic discharge is of utmost importance. Its low on-state voltage of 5 V makes it highly attractive for applications with low voltage drop requirements.

The SMLJ12CA-QH TVS Diode is highly effective and reliable in preventing electrical circuits from being damaged due to false overvoltages. It offers good protection from overvoltage scenarios and is suitable for applications that require high surge capability. Furthermore, its low clamping voltage, low on-state voltage, and high power and surge capability make it ideal for many industrial applications.

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