Become the leading quality in the industry. A metal oxide varistor absorbs potentially destructive energy and dissipates it as heat, thus protecting vulnerable circuit components and preventing system damage. Ceramic Metal Oxide Varistors. Others telecommunications devices, power supplies, data systems or power systems. : +85°C ... * surge voltages are absorbed in the varistor selection criteria * the maximum operating voltage must be lower than the varistor voltage. The arrester's nominal discharge current is 10 kA. The most common modern type of varistor is the metal-oxide varistor (MOV). Products: to improve the relevance of the collection. Varistors are voltage dependent, nonlinear devices which have an electrical behavior similar to back-to-back Zener diodes. They have been intensively used in high power, high voltage applications. Read about company. Varistors can absorb part of a surge. Metal Oxide Varistor (MOV) To overcome the limitations of semiconductor based varistors like Silicon carbide varistors, the Metal Oxide Varistors (MOV) have been developed. : ZOV32D201K~162K. The factory is ISO and TS16949 certified . SMD varistor NV73DLxx series. The selection of the varistor Varistor (Metal Oxide Varistor) is a voltage-limiting protection devices. Typical metal oxide varistors may have capacitance levels between 100 and 1000 pF, although low capacitance versions are available. There are three lead styles for metal oxide varistors: axial, radial, and lead-less. VDE approvals are in conjunction with IEC61051-2 . A wide variety of myg / metal oxide varistor options are available to you, such as other, 0.25 w or below. Basic operation, electrical characteristics, and applications will be discussed. A metal oxide varistor will conduct low amounts of electric current very well, but will stop conducting when the current reaches high voltage levels. Bourns MOV Metal Oxide Varistors (MOVs) protect against overvoltage transients such as lightning, power contact, and power induction. Standby current : The standby current is the level of current that is drawn by the varistor when it is operating below the clamping voltage. This tutorial will provide an introduction to Metal Oxide Varistors and MOV product offerings from Littelfuse. METAL OXIDE VARISTORS Transient voltage surge suppressors Application Notes Switching surge protection, semiconductor protection and contact spark suppression Caution: 1.Refer to the mentioned caution described in power line protection. It is called so as the component is made from a mixture of zinc oxide and other metal oxides like cobalt, manganese and so on and is kept intact between two electrodes which are basically metal plates. Certificate: UL / CSA / VDE. VM(AC)RMS voltage range from 130V to 1000V 4. Compare this product Remove from comparison tool. These components utilize silicon carbide (SiC). Guangdong Thermistor-Mov Electronics Co., Ltd. founded in 2011,A company devoted to the research and development of protective electronic components and Production of private high-tech enterprises. Taped Parts conform to EIA standards . ... Its proper selection is key to its application. High-Voltage 14D471K MOV Metal Oxide Varistor, Zinc Oxide Varistors Quick Detail: • Wide voltage range selection - from 14 VRMS to 680 VRMS.This allows easy selection of the correct component for the specific application. It is a Professional Manufacturers of (R&D) and Production of high performance metal oxide Varistors, ntc Thermistors. The varistor has a very short response time (typically <100 ns) and can safely handle high-current impulses up to 100 kA, 4/10 µs. metal oxide for automotive applications. View larger. You can also choose from other myg / metal oxide varistor, as well as from other myg / metal oxide varistor, and whether myg / metal oxide varistor is other. Metal Oxide Varistor – Basics. SIOV® 1) varistors have been proven to be excellent protective devices because of their application flexibility and high reliability. An MOV is a Metal Oxide Varistor. : ZOV20D180K~182KP/Z. MOV Electrical Device Metal Oxide Varistor Selection 7D 10D 14D 20D 25D . The metal oxide varistor (MOV) is made up of insulating material which is zinc oxide (ZnO). ment. Dimensions Of 20D Varistor: Electrical Characteristics Of 20D Oxide Varistor: M arking Codo Of Varistor: How To Select Varistors? metal oxide varistors * material: zinc oxide (ZnΩ) * operating temperature, max. Other. Many size choose 7mm, 10mm, 14mm, 20mm , 25mm and 32mm 3. However, before MOVs were introduced, Silicon Carbide, SiC, was the varistor … Looking for Metal Oxide Varistors? The power so developed must be within the specifications shown on the Metal oxide varistor – Described above, the MOV is a nonlinear transient suppressor composed of zinc oxide (ZnO) Silicon carbide varistor – At one time this was the most common type before the MOV came into the market. Dimensions Of 32D Varistor: Electrical Characteristics Of 32D Oxide Varistor: M arking Codo Of Varistor: Know More About Varistor : The normal varistor is measured infinitely with a multimeter. Get contact details and address | … The actual power dissipation of a varistor is composed of the basic dissipation P0 caused by the operating voltage and, possibly, the average of periodic energy absorption. UL ,VDE ,CSA Certification Parameters of Metal Oxide Varistor: 7D: VDC: 9 V - 65 V Current: 80 A - 300 A ... Brands: a wider selection. Metal-Oxide Varistors (MOVs) Radial Lead Varistors > LA Varistor Series Should transients occur in rapid succession, the average power dissipation is the energy (watt-seconds) per pulse times the number of pulses per second. Varistors are manufactured from a non-homogeneous material, giving a rectifying action at the contact points of two particles. Plus specific types comply with Accelerated Aging Test Requirements per ANSI/ IEEE C62 .11 . SMD varistor. Metal Oxide Varistors EV Series UL 1449/CUL 4th Edition Recognized and VDE Annex Q Certified. NV73DLxx series. Apr 21, 2009 #2 G. GrandAlf Advanced Member level 2. When exposed to high voltage transients, the varistor impedance Surface Mount Varistors > SM7 Series For applications exceeding 85ºC ambient temperature, the peak surge current and energy ratings must be reduced as shown below Metal-Oxide Varistors (MOVs) Radial Lead Varistors > LA Varistor Series Should transients occur in rapid succession, the average power dissipation is the energy (watt-seconds) per pulse times the number of pulses per second. The basic selection is a through-hole MOV, and Bourns offers a wide variety to choose from. Thermistor-Mov metal oxide varistor application Providing qualified metal oxide varistor application is the foundation of Guangdong Thermistor-Mov Electronics Co., Ltd.. We use only the finest materials for the product and always select the manufacturing process that will safely and reliably achieve the necessary quality. Features • Our Metal Oxide Varistors have UL, CSA and VDE approvals . The metal-oxide varistor is enclosed in a sturdy, weatherproof polymer housing. Metal oxide varistor (MOV) has outperformed all other varistors like Zener diodes, etc. 32D Metal Oxide Varistor. In terms of applications, some metal oxide varistors are designed for cell phones, digital cameras, personal digital assistants (PDA), MP3 players, and notebook computers. Describtion of Metal Oxide Varistor : 1. The varistor's symmetrical, sharp breakdown characteristics enable it to provide excellent transient suppression performance. thans advance V. Naresh Kumar . MOV is the most commonly used type of varistor. and is commonly used nowadays. Part No. It is also a non linear device and … The power so developed must be within the specifications shown on the The metal oxide varistor, with its extremely attractive price/ performance ratio, is an ideal component for limiting surge voltage and current as well as for ab-sorbing energy. Therefore, designers should look at all the available peak Part No. This property of the metal oxide varistor makes it ideal for … Joined Mar 9, 2002 Messages 520 Helped 47 Reputation 92 Reaction score 6 Trophy points 1,298 Location UK Activity points Basics of Over voltage protection device varistor. Basics of Over voltage protection device varistor. Varistors protect circuits against excessive voltage by acting as spark gaps. The most common type of varistor on the market today is the Metal Oxide Varistor, MOV. Metal oxide varistor is a voltage dependent resistor. Shop MDE Semiconductor here for our wide range of varistors, thyristors, TVS diodes . 20D Metal Oxide Varistor. VDRS Series VDR Metal Oxide Varistors Standard, available from Vishay Intertechnology, a global manufacturer of electronic components. Many series and parallel connections determine the voltage rating and the current capability of the varistor. About the MOV – Metal Oxide Varistors. 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