ROV05H470K-2

Varistor Voltage (Typ):	47V
Package / Case:	Disc 5mm
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 85°C (TA)
Capacitance @ Frequency:	720pF @ 1kHz
Number of Circuits:	1
Energy:	1.8J
Current - Surge:	250A
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Part Status:	Obsolete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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ROV05H470K-2 application field and working principle

TVS(Transient Voltage Suppressors), MOVs (Metal-Oxide Varistors), and other protective devices are critical components in the development and success of both industrial and consumer electronic products. In particular, ROV05H470K-2 Varistors are an example of a MOV which are used in a wide variety of applications such as power supplies, automotive, telecommunications, and consumer electronics. This article will discuss the working principle and application field of the ROV05H470K-2 MOV.ROV05H470K-2 Varistors are designed to protect devices and circuit boards from transient overvoltage and electrostatic discharge; as such, they are often referred to as "surge protectors". The ROV05H470K-2 MOV works simply by clamping an incoming voltage surge to a pre-determined clamping voltage. This effectively redirects the energy of the surge away from the devices and circuit boards being protected by the MOV.The ROV05H470K-2 MOV is made up of a zinc-oxide ceramic disk, which is normally highly resistive, but becomes conductive when a pre-specified threshold voltage is exceeded. When the voltage on the Varistor exceeds the rating, the ceramic disk will lower its resistance and the extra voltage will be diverted away from the protected devices. As the surge voltage tapers off, the Varistor will return to its highly resistive state.The ROV05H470K-2 MOV has a wide variety of applications. It can be used to protect industrial control systems, one-way DC/AC inverters, power supplies, consumer electronics, and other electrical equipment from transient voltage surges. It is also well suited for automotive applications, as it is designed to absorb spikes and surges that can occur due to ignition systems, turn signals, and voltage discrepancies.In addition to providing protection against overvoltage and current surges, the ROV05H470K-2 MOV also offers a wide range of other benefits. Its robust design allows for a long operating life, and its low capacitance ensures that signal integrity is maintained in high speed applications. It is also resistant to extreme temperature and moisture. Finally, its small size allows it to be easily implemented in space-limited applications.The ROV05H470K-2 MOV is a powerful and reliable tool for protecting electrical devices and systems against damaging voltage and current surges. It is a cost-effective solution for applications involving both industrial and consumer level electronics, and its long life and easy implementation in tight spaces make it an ideal choice for many applications.

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