V2AF109C200Y1FDP Circuit Protection

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TVS - Varistors, MOVs are usually used for EMI/EMC related designs. The V2AF109C200Y1FDP is a robust, low-cost solution for both noise suppression and overvoltage protection. It can effectively suppress the electromagnetic interference (EMI) in a broader range of frequencies. It also provides circuit protection against brief overvoltage disturbances.

The V2AF109C200Y1FDP is a multi-layer Varistor with an integrated reverse-biased Zener diode. It is designed to protect against surges of up to 200V, yet still allow normal operation at -40 to +85°C. This multilayer Varistor (MLV) also takes up less board space than two separate parts; a Varistor and a Zener diode.

The V2AF109C200Y1FDP has a rated voltage of 200V and a clamping voltage of 474V. It is capable of handling 2.3 joules of energy at a 10/1000 μS surge current. The diode junction capacitance is low at 4.3 pf, making it suitable for use in high frequency applications. It also has a low leakage current of 30 μA, making it suitable for use in class A+ and C noise suppression circuits.

The working principle of V2AF109C200Y1FDP is fairly simple. The Varistor effectively connects the two pins on the device to work as a voltage limiting circuit. When the voltage going through the pins goes above the varistor\'s clamp voltage, it goes into avalanche-mode and begins to conduct. This avalanche-mode causes the current to be limited and the system voltage is clamped at the varistor\'s clamp level. Once the voltage returns to normal, the variance stops conducting and returns to its normal blocking state.

The V2AF109C200Y1FDP can be applied in a variety of protected circuits. It is commonly used in automotive, telecommunications, networking and consumer electronic applications. It is often used for power supplies, switched mode power supplies, DC/DC converters, audio equipment, and other applications that require power line protection. As it is equipped with a Zener diode, it is also suitable for TVS (transient voltage suppression) diode protection.

The V2AF109C200Y1FDP is a reliable and cost-effective solution for EMI protection and other power protection applications. Its low leakage current, small footprint, and excellent surge protection results in a highly reliable device. This makes the V2AF109C200Y1FDP an ideal choice for applications in automotive, telecommunications, networking, and consumer electronic applications.

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