Metal oxide varistors, more commonly known as movs are devices that provide excellent transient voltage suppression. Whether you need nte metal oxide varistors or something else, galco should be your first choice for all electrical. Siov metal oxide varistors leaded varistors, superiormp, s20 series. Find supplier datasheets for metal oxide varistors movs on globalspec. Application notes please read important notes page 5 of 17. Ac operating voltage epcos metal oxide varistor siov metal oxide varistors smd varistors telecom. Siov d32k k6 siov d60k k6 siov d40k qk6 siov d80k k6 note. The most common modern type of varistor is the metal oxide varistor mov. Tdk data book covers metal oxide varistors for overvoltage.
The updated siov metal oxide varistors data book 2008 from epcos presents the companys extended product range of siov metal oxide varistors. Metal oxide varistor mov circuit protection components. The specified voltage shall be applied between both terminals of the specimen connected together and the electrode inserted between the metal balls. Siov metal oxide varistors leaded varistors, automotive series seriestype.
For further details refer to chapter taping, packaging and lead configuration for leaded varistors. Import data and price of varistor metal oxide under hs. General technical data climatic category to iec 600681 408556. Bourns, inc is a global manufacturer of electronic components, providing solutions for automotive manufacturing, consumer electronics, retail and industrial systems, medical technology, network communications, business machines, computing and telecommunications.
Siov metal oxide varistors leaded varistors, energetiq series seriestype. Vdr metal oxide varistors standard additional resources ordering information the varistors are available in a number of packaging options. Metal oxide varistors radial lead metal oxide varistors dimensions all dimensions in mm reserves the right to change limits, test conditions and dimensions given in this data sheet at any time without previous notice. Nte metal oxide varistors now in stock galco stocks an extensive and comprehensive line of nte metal oxide varistors for most industrial applications one of hundreds of categories of industrial and electronic products in stock. Siov metal oxide varistors west florida components. Leaded varistors b722 advanced series please read cautions and warnings and page 2 of 35. Metal oxide varistors hvp high voltage products gmbh. Strap varistors, monolithic, straight or bent strap terminals nominal diameter 40 mm highe. General technical data climatic category to iec 600681 4010556.
They are a type of nonlinear device that feature similar characteristics to zener diodes. General technical data climatic category to iec 600681 408556 for d1 types 4012556. Siov metal oxide varistors general technical information. The metal oxide varistors offer a choice of varistor voltages from 18 v to 1800 v and vrms voltages from 11 v to 1100 v. Epcos metal oxide varistors siovs are designed for specific applications and should not be used for purposes not identified in our specifications, application notes and data books unless otherwise agreed with epcos during the designinphase. Metal oxide varistors movs are solid state shunt surge protective devices that are widely applied on lowvoltage ac circuits for the protection of wiring devices and sensitive loads by limiting transient overvoltages and diverting transient currents. Ingredients zinc oxide varistors consist mainly of zinc oxide about 90 % by weight and small amounts of other metal oxides additives such as bismuth, cobalt, antimony and manganese oxide. Get here database of metal oxide varistor manufacturers, metal oxide varistor suppliers and exporters in india. Vdrs series vdr metal oxide varistors standard, available from vishay intertechnology, a global manufacturer of electronic components.
Tdk updates data book for siov metal oxide varistors. General technical data climatic category to iec 600681 408556 operating. The selected varistors must be able to handle a surge current of this amplitude ten times consecutively, regardless of polarity. Stacking many varistors in a series as one varistor can increase the clamp voltage of a mov. For this reason, varistors are also called metaloxide varistors mov. Siov varistors have proven to be excellent protective devices because of their application flexibility and high reliability. Metal oxide varistors 60 series high energy block varistor varistor voltage max. Siov metal oxide varistors leaded varistors, telecom series seriestype. No breakdown leaded varistors b722 telecom series please read cautions and warnings and. Metal oxide varistor mov, basics, working, specifications. Siov metal oxide varistors, leaded varistors, standard series. Features include high energy absorption and surge load capabilities, low leakage currents, selfprotection under abnormal overvoltage conditions, multilayer structures, lead free plating terminal electrodes and large electrostatic resistance.
Mov please answer as many questions as you can with 1 being unfavorable and 5 most favorable. The za series of transient voltage surge suppressors are radiallead varistors movs designed for use in the protection of low and medium voltage circuits and systems. Littelfuse metal oxide varistors mouser electronics. Metal oxide varistors movs datasheets engineering360. Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without epcos prior express consent is prohibited. A gadget may have thousands of transistors, resistors and other components, but only one or two varistors. The metal oxide varistor, with its extremely attractive priceperformance ratio, is an ideal component for limiting surge voltage and current as well as for absorbing energy. Data book covers metal oxide varistors tdk corporation presents the fully revised data book for epcos siov metal oxide varistors for overvoltage protection. Metal oxide varistors we as a genuine manufacturer, supplier, trader, are occupied with offering a superb quality array of metal o. Industrial high energy terminal varistors fuses unlimited. They are used to protect vulnerable electronic circuits and components from overvoltage conditions that can cause damage. Table 2 illustrates that even the small varistor size siov s10 is. Metal oxide varistors mov are semiconductors that protect electronic components and systems from transient voltages. A test current of 1 ma dc is typically used to determine.
Siov siov metal oxide varistors metal oxide va ristors 2008 published by epcos ag corporate center edition 112007 ordering no. Tdk presented the fully revised data book for epcos siov metal oxide varistors for overvoltage protection. Tdk updates data book for siov metal oxide varistors power. Siov metal oxide varistors, leaded varistors, advanced series. The performance of varistors may deteriorate, the inside elements may be damaged, and they cause the varistors to smoke or catch fire, if the following precautions are not observed. Epcos metal oxide varistors are designed for specific applications and should not be used for purposes not identified in our specifications, application notes and data books unless otherwise agreed with epcos during the designinphase. While it may look similar to a capacitor, you can identify the device by its color, markings and. The devices have a high current handling, high energy absorption capability. Metal oxide varistors definition of varistor terms rated rms voltage, rated dc voltage the maximum designated values of power system voltage that may be applied continuously between the terminals of a device varistor voltage test characteristic that is used to classify varistors by type. Disk varistors, monolithic, leaded nominal diameter 14 mm 20 mm energetiq q14 page q20 page operating voltage. 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 absorbing energy. Epcos metal oxide varistors are designed for specific applications and should not be used for purposes not identified in our specifications, application notes and data books unless oth erwise agreed with epcos during the designinphase. Siov metal oxide varistors leaded varistors, standard series seriestype.
General technical data climatic category lct uct damp heat, steady state 93 % r. High energy e series 5mm, 7mm, 10mm, 14mm, 18mm, 20mm. General technical data 1 for mounted parts storage conditions for unused parts on reel see page 38 1. No breakdown strap varistors b722 highe, standard, ls40 series. A metal oxide varistor, or mov, protects sensitive electronic equipment from voltage spikes in the power line. Typical applications include motor control, telecom, automotive. No breakdown leaded varistors b722 energetiq series. Industrial high energy metal oxide varistors are large terminal mount devices made with zinc oxide discs enclosed in epoxy polymer cases to provide complete electrical isolation.
For further details, please refer to the chokes and inductors data book. Mersen s patented tpmov technology eliminates common failure modes that occur in the field with standard metal oxide varistors. New ordering codes implemented refer to chapter varistor type crossreference list block varistors siov metal oxide varistors. Best of all, information on all of our products, including harris metal oxide varistors, is available 24 hours a day, every day at. Standard d series 5mm, 7mm, 10mm, 14mm, 20mm, 25mm. Siov metal oxide varistors strap varistors, highe, standard, ls40 series seriestype. Data were analyzed in a completely randomized design using the mixed procedure of sas. The industrial mov is used in high energy industrial applications. Metal balls method, 2500 vrms, 60 s the varistor is placed in a container holding 1. The impulse generator influences the time domain waveshapes of the current through and the voltage over the varistor. This type contains a ceramic mass of zinc oxide grains, in a matrix of other metal oxides, such as small amounts of bismuth, cobalt, manganese oxides, sandwiched between two metal plates, which constitute the electrodes of the device. For variables measured over time average daily gain, dry matter. Two existing models of zno varistors and surge arresters are evaluated by comparing the model predictions with the experimental results. Ensure suitability of siovs through reliability testing during the designin phase.
Siov 1 varistors have been proven to be excellent protective devices because of their application flexibility and high reliability. Siov metal oxide varistors leaded varistors, standard series. Detailed technical information throughout 316 pages helps design engineers select suitable varistors. The most common modern type of varistor is the metaloxide varistor mov. Technical data sheets and further specifications on harris metal oxide varistors and many other products are available within this web site. Distributor of metal oxide, thermofuse and multilayer varistors. B60 specification maximum varistor clamping maximum maximum typical model allowable voltage voltage peak current energy capacitance number voltage max. Bulk on tape and reel on tape in ammopack fanfold the basic ordering code for each option is given in tables titled varistors on tape on reel, varistors on tape in ammopack and varistors in bulk. The range of metal oxide varistor are exported to various countries. Vdrs series vdr metal oxide varistors standard vishay. Siov ct 1812 s 60 a g design size nominal taping mode specifies special tolerance a special tolerance of varistor voltage max. The boundary between each grain and a neighbor forms a diode junction, which allows.
Upon request are available the varistor elements without plastic housing suitable for soldering. Siov metal oxide varistors leaded varistors, automotive series. Varistors are available for a broad range of specifications and are classified by maximum voltage, clamp voltage, peak current, surge energy and response time. View detailed import data, price, monthly trends, major importing countries, major ports of varistor metal oxide under hs code 8533. Siov metal oxide varistors, leaded varistors, advanced series epcos ag. Internally the tpmov is comprised of a voltage clamping device and a disconnecting apparatus that monitors the status of the metal oxide disk, making the tpmov a. Import data and price of varistor metal oxide under hs code. In accordance with iec 645, the hybrid generator is designed to supply surge current.
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