The mixture was dried with by heating chamber and then pressed into discs at a pressure of 500 kgcm2. On 60 pages you will find the recent state of technology and documentation. A typical 20mm varistor is rated to handle a surge up to 6,500 amperes based on the standard 8 x 20 us waveform defined by ieee c62. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Reliability evaluation of metal oxide varistors for maintenance scheduling. Varistor z151 datasheet, cross reference, circuit and application notes in pdf format. A varistor is an electronic component with an electrical resistance that varies with the applied. However, when the surge voltage exceeds the varistor voltage, the impedance across the varistor terminals decreases sharply. Circuit protection from transient voltage by varistor. Effect of impurities and temperature on electrical. Device ratings and specifications continued v250la2 7 2502 250 330 21 1200 354 473 730 10 90. Sony xsl151p5 installationconnections manual pdf download.
Wide operating voltage v1ma range from 18v to 1100v. Pdf 10x varistor z151 varistor z301 zo 150 77 z251 zo 107. Typegnr05d kmodelpage45citation datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. The first edition of the application guidelines for the dimensioning, testing and application of metaloxide surge arresters mo arresters in mediumvoltage systems appeared in 1994 and was written by rene rudolph. The top countries of suppliers are japan, china, and india, from which the percentage of varistor supply is 1%, 92%, and 4% respectively. The epcos product range includes radialleaded disks, block varistors and strap varistors for power distribution applications.
Mov10dxxxk series metal oxide varistor, mov10d471k datasheet, mov10d471k circuit, mov10d471k data sheet. Pdf reliability evaluation of metal oxide varistors for. V39ch8 ch series surface mount varistors littelfuse. Bourns, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. These littelfuse varistors offer quick thermal response due to the proximity of the thermal element to the mov body. Varistors z151 datasheet pdf epcos b72210s171k101 datasheet, siov metal oxide varistors leaded varistors, standard series, epcos b72214s2321k151 datasheet, epcos etfv25 datasheet. Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without epcos prior express consent is prohibited. A wide variety of varistor options are available to you, there are 1,077 suppliers who sells varistor on, mainly located in asia. Tyee series zinc oxide varistor are nonlinear resistors, consisting main of zinc oxide and several kinds of metal oxide additive. Recent listings manufacturer directory get instant insight. In many ways the varistor looks similar in size and design to a capacitor and is often confused as being one. The varistors consist of a disc of low e zno ceramic material with two solid copper leads s20 types only or copper clad steel wire. Maida catalog specifications all series maida development. Overvoltage protection devices like siov varistors are often referred to in international publica tions as a tvss transient voltage surge suppressor.
The ma series of transient surge suppressors are axial lead metal oxide. These chemical components of eight lots of zno varistors are illustrated in table1. Z151 datasheet, z151 pdf, z151 data sheet, z151 manual, z151 pdf, z151, datenblatt, electronics z151, alldatasheet, free, datasheet, datasheets, data sheet, datas. Jun 08, 2015 the burning issue of metal oxide varistors and how to stop thermal runaway. Clamping voltage is measured by voltage between two therminals using standard impulse current waveform 820 s shown in fig. The burning issue of metal oxide varistors and how to stop. Movs or metal oxide varistors are a very popular product and widely used. Minimum marking z151 09ul nominal disk size 14 d maximum 0. A test current of 1 ma dc is typically used to determine.
Block varistors construction diskshaped varistor element, potted in plastic housing housing flameretardant to ul 94 v0 screw terminals m4 siovb32 40 screw terminals m5 siovb60 80 features heavyduty varistors surge current capability up to 100 ka wide product range siovb40 also available without housing ls40 series. Today, electronic circuits are becoming smaller and more sentive to external interference. Line voltage operation, radial lead datasheet catalog. Our offered metal oxide varistor of products is also checked to maintain its durability and stability throughout the manufacturing process. They are primarily protective devices to dump the current in excessive over voltage events and so save the circuit board or end equipment. The main use of zenamic is for lightning surge suppression and suppression of surge generated within electronics equipments e. They are coated with ul 94 v0 approved ocher colored halogenfree epoxy, which provides electrical, mechanical and climatic protection. Nowadays the resistive body of a varistor is made from semiconductor material making it a type of semiconductor resistor with a nonohmic symmetrical voltage and current characteristics suitable for both ac and dc voltage applications. They are bilateral and symmetrical vi characteristics. Mov size selection technical application note application note no. 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. A surge in excess of the specified withstanding surge current may cause short circuits or package rupture with expulsion of material. Metaloxide varistors movs ma varistor series farnell.
Walsin multilayer chip varistor is designed to protect components from destruction of transients and esdelectronic static discharge. 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. S10k385 varistor 385vrms 10mm radial epcos inc datasheet pdf. This integrated configuration provides the added benefit of lower inductance than most discrete solutions. Mov07dxxxk series metal oxide varistor rohs directive 200295ec jan. These components consist of wire leads and have nominal disk diameters from 3mm to 25mm. When used as protection devices, they shunt the current created by the excessive voltage away from sensitive components when. Options section for straight disk seating on pc boards. Zenamic features large surge current handling ability and transient overvoltage handling. Download the free library loader to convert this file for your ecad tool.
Walsin multilayer chip varistor is a family of transient voltage surge suppression products. S20k460 varistor 460vrms 20mm radial epcos inc datasheet pdf. Littelfuse products are not designed for, and shall not be used for, any purpose including, without limitation, automotive, military, aerospace, medical, lifesaving, lifesustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury. Epcos, alldatasheet, datasheet, datasheet search site for electronic components and. Mov 275 vac varistors are available at mouser electronics. Leaded varistors, s10k250 datasheet, s10k250 circuit, s10k250 data sheet. Metaloxide varistors movs radial lead varistors za series description the za series of transient voltage surge suppressors are radial leaded varistors movs designed for use in the protection of low and mediumvoltage circuits and systems. Typical applications include motor control, telecom, solenoid, and power supply circuits to protect. Mov14dxxxk series metal oxide varistor rohs directive 200295ec jan. Mov10d471k datasheetpdf bourns electronic solutions. Clamping voltage varistors have an abitity to limit a high voltage surge like lightning. Varistor, 10d241k datasheet, 10d241k circuit, 10d241k data sheet. Power dissipation ratings should transients occur in rapid succession, the average power dissipation required is simply the energy wattseconds per pulse times the number of pulses per second.
Littelfuse automotive sensor products offer a wide range of sensors for use in monitoring various vehicular functions in the areas of passenger safety, comfort and convenience plus vehicle powertrain, chassis and emission applications. You can protect parts of an electrical circuit from highvoltage surges by placing this block in parallel with them. Within the useful varistor voltage range, the voltagecurrent relationship is approximated by the expression. Metal oxide varistors circuit breakers blog expert safety and. Ultramov varistors are primarily intended for use in ac line voltage applications such as surge protection device spd, uninterruptable. S07k30 varistor 30v rms 7mm radial epcos inc datasheet pdf data sheet free from datasheet data sheet search for integrated circuits ic, semiconductors and other electronic components such as resistors, capacitors, transistors and diodes. S14k385 varistor 385vrms 14mm radial epcos inc datasheet pdf. Z7l270 metal oxide varistor zenamic movs feature superior surge voltage suppression characteristics and large surge energy absorption. Varistors are used as to protect against excessive transient voltages. S07k300 varistor 300vrms 7mm radial epcos inc datasheet pdf. View and download sony xsl151p5 installationconnections manual online. Z500 is the architecture company headquartered in london, uk.
For leaded and housed varistors b722 or b723 10 s 2 271 k 1 0 1 monolithic varistor nominal disc diameter design. Leaded varistors, s14k250 datasheet, s14k250 circuit, s14k250 data sheet. S20k460 varistor 460vrms 20mm radial epcos inc datasheet pdf data sheet free from datasheet data sheet search for integrated circuits ic, semiconductors and other electronic components such as resistors, capacitors, transistors and diodes. Minimum operating temperature 40 maximum operating temperature 85 varistor voltage temperature coeff 0. S10k385 varistor 385vrms 10mm radial epcos inc datasheet pdf data sheet free from datasheet data sheet search for integrated circuits ic, semiconductors and other electronic components such as resistors, capacitors, transistors and diodes. S07k300 varistor 300vrms 7mm radial epcos inc datasheet pdf data sheet free from datasheet data sheet search for integrated circuits ic, semiconductors and other electronic components such as resistors, capacitors, transistors and diodes. We are offering an excellent range of metal oxide varistor that is broadly used as control or compensation elements in circuits. Axial lead application specific varistors ma series. Ceramate, alldatasheet, datasheet, datasheet search site for electronic components and.
Littelfuse varistor protective devices offer several important features, such as overvoltage protection, peak current ratings from 20a70,000a, peak energy ratings from 0. Construction round varistor element, leaded coating. Varistors for use in stationclass surge arresters were tested to destruction to determine. The disk diameter of a metaloxide varistor varistorvariable resistor determines the surge current capability of the device to divert transients. Leaded varistors, s14k275 datasheet, s14k275 circuit, s14k275 data sheet. The za series of transient voltage surge suppressors are radial leaded varistors movs. Metaloxide varistors movs radial lead varistors za series. Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The block exhibits high resistance at low voltages and low resistance at high voltages. These figures are based on application experience and on data obtained from preceding tests under normal conditions, or for purposes of accelerated aging more severe conditions. Mov07d270k 27v 250a varistor 1 circuit through hole disc 7mm from bourns inc pricing and availability on millions of electronic components from digikey electronics. S14k385 varistor 385vrms 14mm radial epcos inc datasheet pdf data sheet free from datasheet data sheet search for integrated circuits ic, semiconductors and other electronic components such as resistors, capacitors, transistors and diodes. The standard series is our broadest and most comprehensive line of radialleaded varistors.
S07k30 varistor 30v rms 7mm radial epcos inc datasheet pdf. The varistor block represents a voltagedependent resistor vdr. Zenamic is the registered trademark for our oxidized metal varistors. The whole unit is used to distribute and absorb surge energy. Znr is in some cases named metal oxide varistor mov 3. February 27, 2009 za varistor series radial lead varistors za series speci. Oct 01, 2019 v10471u datasheet pdf varistor panasonics, v10471u datasheet, v10471u pdf, pinout, data, circuit, ic, manual, substitute, parts, schematic, equivalent. Varistor specification tyee varistor varistor are voltage dependent, nonlinear device which have an electrical behavior similar to backtoback zener diodes.
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