V56ZS8PX2855

Varistor Voltage (Typ):	56V
Package / Case:	Disc 14mm
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 85°C (TA)
Capacitance @ Frequency:	4840pF @ 1MHz
Number of Circuits:	1
Energy:	10J
Current - Surge:	1kA
Varistor Voltage (Max):	61.6V
Series:	ZS
Varistor Voltage (Min):	50.4V
Maximum DC Volts:	45V
Maximum AC Volts:	35V
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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###### Introduction V56ZS8PX2855 is a Surge Protection Device, or SPD, that belongs to a class of electrical components known as Transient Voltage Suppressors, or TVSs. The TVS family of devices includes Varistors, also known as Metal Oxide Varistors (MOVs), and Thyristors. The surge protection devices are often used to protect equipment from transient overvoltage conditions and to help eliminate damaging electrostatic discharge (ESD) events in sensitive electronic components.###### Varistors Varistors are solid-state nonlinear voltage-controlled resistors that are used to regulate voltage levels. Varistors come in a wide variety of shapes and sizes, and can be constructed from either silicon or metal oxide materials. Varistors operate in two modes, the first of which is the breakdown mode, and the second of which is the high-resistance mode. During the breakdown mode, varistors essentially act as a short circuit which limits the current. During the high-resistance mode, the current is limited by the device’s inherent resistance. These two modes of operation make varistors ideal for protecting against both high-voltage and low-voltage transient surges. ###### MOVsMOVs, or Metal Oxide Varistors, are a type of varistor that are composed of a zinc oxide material. As the name implies, MOVs are composed of a metal oxide material, which allows them to operate in both the breakdown and the high-resistance modes. The MOV operates by initially behaving in a high-resistance mode, and then quickly switching into a low-resistance mode when exposed to a large voltage surge. MOVs are ideal for protecting against large voltage surges or spikes, and are commonly used in applications such as lighting, motor controls, and communications systems. ###### Working Principle The working principle behind V56ZS8PX2855 is relatively simple. In a single device, it consists of two back-to-back metal oxide varistors (MOVs) connected in series with other passive components such as capacitors and inductors. When a transient overvoltage condition is detected, the MOVs switch into a low-resistance mode, allowing the surge protection device to absorb and dissipate the surge energy. The device also utilizes metal oxide varistors (MOVs) for ESD protection. When a sudden increase in voltage (or electric field) is detected, the metal oxide varistors switch into a low-resistance mode and act as a “clamp” to limit the current. In this way, the MOVs effectively protect the sensitive electronic components from the high electrostatic discharge event. ###### Application Field V56ZS8PX2855 is designed for applications that require surge protection and ESD protection from transient overvoltage conditions. It is suitable for use in many applications, including AC motor drives, lighting systems, communications systems, and many other electrical and electronic applications. This surge protection device can also be used in applications that require a high level of surge protection, such as in medical equipment and hazardous areas. The V56ZS8PX2855 surge protection device provides exceptional performance in suppressing transient overvoltage events and protecting against ESD events in sensitive electronic components. It is a reliable and cost-effective solution for protecting against transient overvoltage and ESD hazards in a number of different applications.

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