A varistor is a series of components that resist electrical voltages and help prevent dangerous surges. Siov metal oxide varistors, leaded varistors, superiormp, s20 series. Some parts of this publication contain statements about the suitability of our products for certain areas of application. K275 datasheet, k275 pdf, k275 data sheet, k275 manual, k275 pdf, k275, datenblatt, electronics k275, alldatasheet, free, datasheet, datasheets, data sheet, datas. Circuit protection from transient voltage by varistor. Series 12000 dc converter eaton s 12010 series dc converter provides 10a of regulated 24v power from a 12v input. For further details refer chapter taping, packaging and lead configuration for leaded varistors. Communication bus varistor general description the can bus and flexray varistor is a zinc oxide zno based ceramic semiconductor device with nonlinear voltagecurrent characteristics bidirectional similar to backtoback zener diodes and an emc capacitor in parallel see equivalent circuit model.
Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without epcos prior express consent is. Vdr metal oxide varistors standard vishay intertechnology. For further details refer to chapter taping, packaging and lead configuration for leaded varistors. Nvd metal oxide varistor disc type koa speer electronics, inc. Metal oxide varistors of the newly developed mp series. Advanced superior superiormp superior s20 page 99 s20. Siov metal oxide varistors data book 2008 schmidmultitech sro. Metal oxide varistors, more commonly known as movs are devices that provide excellent transient voltage suppression. The 100% free pdf creator and pdf convertor supplied by works with all windows programs and has a lot of features you wouldnt expect from free software. Supplement filters for converters and power electronics b84143b s20. The capacity of the varistor is designdependent and is between 0. B72220p3511k101 epcos, tvs varistor, 510 v, 670 v farnell.
Mov smdsmt varistors are available at mouser electronics. For the selected sar ef470x sparkover voltage could be anywhere from 400 to 588 v and for mentioned mov s20k250 its 300 v. Low capacitance 1e only capacitance type l 1j te varistor voltage 8. The latest of the three was the version to become certified as a standard for preprint document processing.
Allowing 24v loads to be powered from a 12v electrical system. A metal oxide varistor is a voltage dependent, symmetrical nonlinear resistor. Line voltage operation, radial lead datasheet catalog. Vi characteristic curves siovs20 with the load line drawn in. Epcos tdk s20k250 are available at mouser electronics. Mov14dxxxk series metal oxide varistor rohs directive 200295ec jan. Tvs varistor, mov, 275 v, 350 v, standard series, 710 v, disc 5mm, metal oxide varistor mov. Protect electronics against high voltage spikes and surges the metal oxide varistor protects various types of electronic devices. Tvs varistor, 510 v, 670 v, b722 superiormp s20 series, 1. K460, s10s14 k11 k680, s20 k11 k1100 iec delivery mode bulk standard, taped versions on reel or in ammo pack upon request. Specifications are subject to change without notice. They are used in most types of electronic items, including computers and other forms of control modules. Varistor datasheet, varistor pdf, varistor data sheet, datasheet, data sheet, pdf home all manufacturers by category part name, description or manufacturer contain.
Users should verify actual device performance in their specific applications. A surge in excess of the specified withstanding surge current may cause short circuits or package rupture with expulsion of material. 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. Device ratings and specifications continued v250la2 7 2502 250 330 21 1200 354 473 730 10 90 v250la4 7 2504 250 330 21 1200 354 429 650 10 90 v250la10 10 250l 250 330 40 2500 354 429 650 25 220 v250la20a 14 250l20 250 330 72 4500 354 429 650 50 500. Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without epcos prior express consent is prohibited. Varistor is a resistor that changes resistance depending on the voltage. Varistor voltage v n voltage across the varistor measured at 1ma of dc current. Mounting the varistors are suitable for handmounting bulk or. They are similar to a diode but allow transverse currents to travel both ways along its body. However, when the surge voltage exceeds the varistor voltage, the impedance across the varistor terminals decreases sharply. Epcos tdk s20k varistors are available at mouser electronics. B72205s0271k101 epcos, tvs varistor, mov, 275 v farnell. Pspice b80 epcos varistor varistor s14 s14auto s20 metal varistor epcos b32 etfv14 e4r1 var0592xe text. Cqc s0507 k11 k460, s10s14 k11 k680, s20 k11 k iec delivery mode bulk standard, taped versions on reel or in ammo pack upon request.
That means that sar will ignite when spikes larger then 700 to 888 vdc appears on the input. They are coated with ul 94 v0 approved ocher colored halogenfree epoxy, which provides electrical, mechanical and climatic protection. Commonly used to protect electronic circuits from surges. Disk varistors, s20 for the protection of consumer and industrial power supplies.
Amperes volts amperes joules pf 11 14 16 20 100 36 1 0. Power converter definition an ideal static converter controls the flow of. A static converter is a meshed network of electrical components that acts as a linking, adapting or transforming stage between two sources, genera lly between a generator and a load fig. These statements are based on our knowledge of typical. Allowable voltage varistor voltage withstanding surge current 8 20. Multiple pulse mp disk varistors, s20 multiple pulse important information. Epcos metal oxide varistor siov metal oxide varistors highe series.