V47ZU3PX2855

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TVS - Varistors, MOVs

The V47ZU3PX2855 is a polymeric positive temperature coefficient (PPTC) device or "resettable fuse." It is a popular resettable fuse option used in applications such as short circuit and overcurrent protection, inrush current suppression, high inrush current applications, power surge protection, and other high-temperature or high-voltage uses.

Polymeric positive temperature coefficient (PPTC) devices, also referred to as resettable fuses, are designed to protect circuits from high current, short circuit and overcurrent conditions under normal and extreme operating environments. The V47ZU3PX2855 is suitable for a wide range of applications, such as consumer electronics, industrial controls, computer systems, lighting equipment, power supplies, and telephony applications.

Polymeric resettable fuses such as the V47ZU3PX2855 are basically composed of a special plastic material sandwiched between two electrodes. When a predetermined normal current level passes through it, the PPTC device behaves like an open switch; when an overcurrent condition occurs, the PPTC material heats up and its resistance increases rapidly, thus providing a "resettable" protection against the overcurrent event. When the PPTC device cools down, it returns to its normal resistance level, ready to respond in the event of another overcurrent event.

The V47ZU3PX2855 PPTC is designed for a wide variety of applications and is available with either a 12V or a 24V maximum stand-off voltage and can have current ratings ranging from 5A to 10A. The device includes a built-in hold current of 4A and a rated current of 8A. At 8A, the PPTC has a maximum operating temperature of 105°C.

The V47ZU3PX2855 PPTC device provides a cost-effective solution to overcurrent protection for applications where quick reactivity and resettability are needed. The PPTC is designed for short-term overcurrent conditions and is a suitable choice for applications operating from 0-105°C. The device is also designed to be able to withstand high inrush currents and power surges, is lightweight and has a low profile, making it ideal for space-constrained applications. In addition, it features a wide range of current ratings, making it suitable for most applications.

PPTC devices such as the V47ZU3PX2855 are ideal for applications that require circuit protection from igniting due to an overcurrent event. The device provides a reliable and cost-effective solution for applications that require fast reactivity and resettability for short-term overloads as well as other high-temperature or high-voltage uses. It can be used for a wide range of applications, such as consumer electronics, industrial controls, computer systems, lighting equipment, power supplies, and telephony applications.

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