V251CA32

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Varistors, also known as voltage dependent resistors (VDRs), are utilized in many different types of applications to control the flow of current, providing surge suppression and/or mitigate surges in electronic circuits. The V251CA32 is a type of varistor, and it is often used to protect circuits against overvoltage as well as overcurrent.

The V251CA32 is typically used to protect consumer electronic products from voltage surges and transient voltage events. It is utilized in televisions, audio systems, digital devices, and many other consumer electronics where sensitive components need to be safeguarded from damage. The V251CA32 can protect against both transient overvoltages and overcurrents up to 4.5A.

The V251CA32 is designed with two different layers of metallized carbon particles which are separated by an epoxy resin. The two layers are connected by a series of metal electrodes, creating a “MOV” structure. When the voltage across the varistor’s terminals increases, the resistance of the V251CA32 decreases and the current passing through the varistor increases.

In operation, the V251CA32’s resistance decreases as the voltage increases. This behavior is known as “clamping” and it serves to limit the maximum voltage seen by the circuit components. As a current passes through the varistor, the two layers ofcarbon particles heat up, resistively absorbing the charge being transferred. This action serves to dissipate energy released from the surge, more effectively than a single layer MOV.

When a surge is applied, the V251CA32 reacts approximately 3-4 microseconds faster than an MOV, thus providing a more rapid differential of response in dynamic applications. The V251CA32 also has a higher “clamping ratio” than MOV’s, providing much higher voltage protection. The V251CA32 can withstand surge voltages up to 750V.

The V251CA32 has high surge endurance, and it can operate in temperatures ranging from -55°C to +85°C, making it an ideal solution for applications requiring robust surge suppression. It is a low cost solution for high power consumer electronics and is often used in power supplies, television sets, solid state drives, and similar devices.

Overall, the V251CA32 is a very important component for applications where overvoltage protection is required. It can provide fast transient overvoltage protection, high clip-level protection, and it is robust enough to work in a wide range of temperatures. The V251CA32 is much more effective than a standard MOV at protecting circuits from high voltage surges, making it an ideal choice for many consumer electronics applications.

The specific data is subject to PDF, and the above content is for reference