ROV05-470K-S-2

Varistor Voltage (Typ):	47V
Package / Case:	Disc 5mm
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 85°C (TA)
Capacitance @ Frequency:	715pF @ 1kHz
Number of Circuits:	1
Energy:	1.5J
Current - Surge:	100A
Varistor Voltage (Max):	51.7V
Series:	--
Varistor Voltage (Min):	42.3V
Maximum DC Volts:	38V
Maximum AC Volts:	30V
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TVS - Varistors, MOVs

Metal-Oxide Varistors (MOVs) are electrical components used in power systems to protect against potentially damaging overvoltage and ESD events. They provide great surge protection and are ideal for a variety of power and data systems. The ROV05-470K-S-2 is one transformer-based three-phase MOV from Raychem. It is a high-performance device with very low leakage current and a high performance level of up to 8kA in 10/1000μs. This article will discuss the application field and working principle of the ROV05-470K-S-2. The ROV05-470K-S-2 is a three-phase MOV that is ideal for applications like wind turbines, solar photovoltaic systems, and industrial motor drives. It has been designed for when there is a need for line-to-line protection. This MOV is also suitable in switchgear, uninterruptable power supplies (UPS), electronic control units (ECU), and frequency inverters. When there is an overvoltage or ESD event, the ROV05-470K-S-2 provides excellent surge protection. It works to divert the excessive current away from the line it is connected to, which will then protect the device or system. The MOV is composed of a metal-oxide ceramic body with three sets of electrodes, ensuring excellent surge protection performance. The ROV05-470K-S-2 has been designed with a very low leakage current and a high performance level of up to 8kA in 10/1000μs. This is achieved through its powerful varistor properties which work by limiting the voltage surge when it is exceeded. When a surge happens, the voltage across the circuit is diverted through its body, so the current passes over the metal-oxide layer. This means that the energy produced by the current will be limited and the circuit will remain intact. In summary, the ROV05-470K-S-2 is a three-phase MOV designed for applications with a need for line-to-line protection. Its low leakage current and high performance level makes it suitable for many devices and systems that need surge protection. The MOV works by limiting the voltage surge when it is exceeded and diverting the excess current away from the line and thus preventing damage.

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