SMDA12C-7/TR13 Circuit Protection

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TVS - Diodes, also known as Metal Oxide Varistors (MOVs) are an important type of Surge Protective devices which are used to protect circuits from overvoltages. Basically, TVS diodes are high temperature, high voltage, bidirectional surge protectors. The SMDA12C-7/TR13 is a part of the SMDA series of TVS-Diodes from Semiconductor Components Industries, LLC.

The main application field for SMDA12C-7/TR13 is against fast overvoltage transients in order to protect systems or equipment against electrostatic discharge. It can be used in both AC and DC applications and works in high temperature environments of up to 125C. It also complies with the requirements of IEC 61000-4-2 standard.

The working principle of SMDA12C-7/TR13 is based on a combination of an MOV (Metal Oxide Varistor) and a Zener Diode. The MOV component provides the overvoltage protection, while the Zener Diode functions as an avalanche protection. When an over voltage is applied to the circuit, the MOV component conducts and the Zener Diode begins to break down, thus limiting and protecting the circuit from voltage surges.

SMDA12C-7/TR13 also uses an integrated low-capacitance diode to protect from ESD events. ESD events can occur when an external voltage is applied to the circuit, but the low capacitance diode prevents the voltage from propagating through the circuit, thus protecting the system or equipment from potential damage.

In addition to providing overvoltage protection, SMDA12C-7/TR13 also offers additional features such as line filtering, transient absorption, and LED indication which can be used to easily monitor the status of the TVS-Diode. This makes it an ideal choice for many applications where transient protection is required.

Overall, SMDA12C-7/TR13 is an ideal choice for applications where overvoltage protection, ESD protection and line filtering are needed. It is highly reliable, robust and easy to use, making it the preferred choice for many applications.

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