CG0603MLE-18E Circuit Protection

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The CG0603MLE-18E is a protective device used in electronic circuits to protect equipment from high voltage transients. It is a TVS (Transient Voltage Suppressor) varistor (or ESD protection device) and is manufactured by Littelfuse. This device is designed to suppress high energy voltage spikes from entering sensitive electronics or components. When connected across two points in a circuit, it acts as a “short” between the two points, limiting the voltage differences between them and protecting them from transient voltage damage.

The CG0603MLE-18E is a unipolar varistor (MOV) which consists of a film of zinc oxide material and two flat metal electrodes. The zinc oxide film acts as the varistor’s active element and is very sensitive to changes in voltage. When a voltage transient occurs, the electrodes respond by inducing an inverse voltage across the varistor, reducing the peak voltage level of the transient before it can reach the sensitive electronics or components. This effectively limits the maximum voltage which can be applied across the varistor’s terminals, protecting the system from damage.

The CG0603MLE-18E has a maximum operating voltage of 18V and a breakdown voltage of 18.4V. This ensures that any transient voltages which exceed 18V will be effectively suppressed. The device also has a peak clamping voltage of 28V, meaning that any voltage transient which exceeds 28V will be limited to 28V and not allowed to pass beyond this. The device also has a very low leakage current of 5nA, meaning it will not draw any significant current when in use.

The CG0603MLE-18E can be used in a wide range of applications, including automotive, consumer electronics, industrial, and medical equipment. In each of these applications, the device can be used to protect sensitive components and systems from damaging voltage transients. The device can also be used to protect against ESD (electrostatic discharge) and other forms of transient voltage.

The CG0603MLE-18E is an important device for preserving the integrity and safety of electronic equipment. Its robust construction ensures it can withstand high voltage transients and protect sensitive equipment from damage. With its high peak clamping voltage, low leakage current, and ability to withstand high transient voltages up to 28V, it is an essential component for any system vulnerable to transient voltage spikes.

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