CGA0603MLC-05E Circuit Protection

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TVS or Transient Voltage Suppressors are devices that are used to protect sensitive electronic circuits and components from transient voltage surges or voltages of short duration. Varistors, also known as voltage dependent resistors, are devices that have a nonlinear, asymmetric resistive characteristic. MOVs or Metal Oxide Varistors are silicon oxide based varistors with a large block of (metal oxide) varistor material.

The CGA0603MLC-05E is an off-the-shelf TVS-Varistor-MOV product designed to protect electronic circuits and components from transient voltage surges of short duration. This product is available in various breakdown voltages from 5V to 30V with dynamic resistance at every voltage between 2-11 Ω. It has a lead-free terminals solderable by air reflow and wave processes.

Application Field for the CGA0603MLA-05E

The CGA0603MLA-05E is a good solution for a range of applications, including power supplies, telecommunications, industrial, automotive, computers and consumer electronics, as well as portable applications. This product is also useful in applications where load current needs to be limited to avoid constantly resetting circuit breakers or fuses.

Working Principle of the CGA0603MLC-05E

The core of CGA0603MLC-05E is a zinc-oxide nonlinear resistor (VDR), which is also called a "MOV", Metal Oxide Varistor. In normal conditions, the VDR presents a high impedance so that the circuit is not affected. However, when the voltage on the suppression element exceeds the “clamping voltage” of the element, the VDR enters a low impedance (conducting) state. The energy is then redirected to ground as a discharge allowing the voltage to decrease back to within desired limits. This fast and effective protection prevents voltage transients on the protected circuit and helps maintain the desired operating conditions.

When selecting a suitable MOV for any specific application, a few key parameters need to be taken into account, such as the transient voltage rating, failure rate, power dissipation, operating temperature range, and the required capacitance. The CGA0603MLC-05E is designed to provide enhanced protection when confronted with high surge events and offers a wide range of surge protection ratings from 5V to 30V.

In summary, the CGA0603MLC-05E is a cost-effective solution for protection from transient voltage surges, with several key benefits including a wide range of surge ratings, excellent power dissipation characteristics and fast response time. This product is suitable for a wide variety of applications with its robust design and simple installation.

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