For example if there is a power surge, the varistor, normally having a very high. Siov metal oxide varistors data book 2008 schmidmultitech sro. The name varistor is a portmanteau of varying resistor. Check to make sure the withstanding surge current of the varistor. B72220s0321k101 epcos, tvs varistor, mov, 320 v farnell. Buy b72210s0321k101 epcos tvs varistor, mov, 320 v, 420 v, standard series, 840 v, disc 10mm, metal oxide varistor mov at element14. Specifications are subject to change without notice. Ul, csa, vde, cqc s0507, s10s14, s20, iec approved.
K95 varistor s20 k varistor varistor s20 k surge arresters pspice siemens automotive relay dc 12v s20k sm module siemens varistor s20k k varistor text. If it reads nearly infinite resistance, the varistor. For further details refer to chapter taping, packaging and lead configuration for leaded varistors. Pdf 10mm 14mm varistor s14 k175 varistor k175 s14 k440 varistor s14 k1 s20 k175 k175 varistor s10 k175 k175 varistor k175 epcos epcos varistors. Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without.
Select the right varistors for overvoltage circuit. Commonly used is zinc oxide zno pressure sensitive resistance, which is mainly based on zinc oxide as raw material, add a variety of trace metal oxides, mixed molding, an overvoltage protection device sintering assembly, the outside encapsulating epoxy resin which can add. Ch varistor series ch series transient surge suppressors are small, metaloxide varistors movs manufactured in leadless chip form. Advanced superior superiormp superior s20 page 99 s20. Metaloxide varistors movs are available in a variety of form factors and sizes for a broad range of applications. K460, s10s14 k11 k680, s20 k11 k1100 iec delivery mode bulk standard, taped versions on reel or in ammo pack upon request. Epcos tdk k385 varistors are available at mouser electronics. What you need to build this cnr 07d471k varistor f2al250v fuse. These varistors have wide operating voltage range from 11vrms to 1100vrms. An january harris suppression products varistor testingmaintenance field maintenance testing is done to verify that the varistor is still providing the intended protection function. K275 varistor datasheet pdf for ordering information see page ff, chapter leaded varistors. Metaloxide varistors movs radial lead varistors za series. S20k550 datasheet, s20k550 pdf, s20k550 data sheet, s20k550 manual, s20k550 pdf, s20k550, datenblatt, electronics s20k550, alldatasheet, free, datasheet, datasheets.
The effectiveness of a varistor in protecting an electrical or electronic circuit depends on the proper selection of the varistor with regards to voltage, current and energy dissipation. Jun 01, 2019 k275 varistor datasheet pdf for ordering information see page ff, chapter leaded varistors. The radial leaded disc type is the most common version. Users should verify actual device performance in their specific applications. Leaded varistors, s20k150 datasheet, s20k150 circuit, s20k150 data sheet. Leaded varistors, s20k275 datasheet, s20k275 circuit, s20k275 data sheet. Varistor cu3225 k60 datasheet, cross reference, circuit and application notes in pdf format. The products described herein and this document are subject to specific legal disclaimers as set forth on. S20k420 schematic s20k420 application note s20k42 s20k4 s20k s20 s2 s 20k420. However, when the surge voltage exceeds the varistor voltage, the impedance across the varistor terminals decreases sharply. S20k230 schematic s20k230 application note s20k23 s20k2 s20k s20 s2 s 20k230. Offer s20k510 epcos tdk from kynix semiconductor hong kong limited. No breakdown leaded varistors b722 superiormp, s20. Epcos tdk s20k50 are available at mouser electronics.
Turn the multimeter on and set it to read resistance times ohms. Disk varistors, s20 for the protection of consumer and industrial power supplies. When the circuit is exposed to a high voltage transient, the varistor starts to conduct and clamps the transient voltage to a safe level. Some parts of this publication contain statements about the suitability of our products for certain areas of application. Mounting the varistors are suitable for handmounting bulk or. Metal oxide varistors of the newly developed mp series. For example if there is a power surge, the varistor, normally having a very high resistance, responds to the voltage spike by absorbing its energy with a very low resistance. Access free canon vixia hf s20 manual canon vixia hf s20 manual canon vixia hf s20 manual vixia hf s20 vixia hf s20 vixia hf s20 dual flash memory camcorder wireless controller wld89 stereo. Protection of electrical and electronic parts, assemblies and equipment excluding electrically initiated explosive devices electrostatic discharge association 7900 turin road, bldg. Buy b72207s0350k101 epcos tvs varistor, mov, 35 v, 45 v, standard series, 110 v, disc 7mm, metal oxide varistor mov at element14. Mov07dxxxk series metal oxide varistor rohs directive 200295ec jan. For further details refer chapter taping, packaging and lead configuration for leaded varistors.
Varistor is pressing device of a the most used limit. A global provider of products, services, and solutions, arrow aggregates electronic components and enterprise computing solutions for customers and suppliers in industrial and commercial markets. 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. The facility certification program evaluates a facilitys esd program to ensure that the basic requirements from industry standards ansiesd s20.
With the varistor removed from the circuit, you can now measure its resistance. If it reads nearly infinite resistance, the varistor is still good. S20k275 datasheet, s20k275 datasheets, s20k275 pdf, s20k275 circuit. These statements are based on our knowledge of typical requirements that are often placed on our products. K95 varistor s20 k varistor varistor s20 k surge arresters pspice siemens automotive relay dc 12v s20k sm module siemens varistor s20k k varistor. Varistor 150v rms 20mm radial online from elcodis, view and download s20k150 pdf datasheet, tvs varistors, movs specifications. S20k420 varistor 420vrms 20mm radial epcos inc datasheet pdf data sheet free from datasheet data sheet search for. The epcos b722 standard series are round shaped radial leaded, siov metal oxide varistors. General technical data climatic category operating temperature storage temperature electric strength insulation resistance response time to iec 600681 to cecc 000 to cecc 000 to cecc c kvrms m ns. The varistors consist of a disc of low zno ceramic material with two solid copper leads s20 types only or copper clad steel wire. No breakdown superior, s20 series leaded varistors. Amperes volts amperes joules pf 11 14 16 20 100 36 1 0. They are intended for use in a variety of applications from low voltage dc to offline boardlevel protection.
These devices, which have significantly lower profiles than traditional. Siov metal oxide varistors leaded varistors, standard series seriestype. A surge in excess of the specified withstanding surge current may cause short circuits or package rupture with expulsion of material. Ch varistor series lawrence berkeley national laboratory. K95 varistor s20 k275 varistor varistor s20 k275 surge arresters pspice siemens automotive relay dc 12v s20k275 sm 323 module siemens varistor s20k275 k275 varistor text. Circuit protection from transient voltage by varistor. The energy of the incoming surge is partially conducted and partially absorbed, protecting the circuit. S20k230 varistor 230vrms 20mm radial epcos inc datasheet pdf data sheet free from datasheet data sheet search for. 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. They are coated with ul 94 v0 approved ocher colored halogen free. Buy b72214s0301k101 epcos tvs varistor, mov, 300 v, 385 v, b722 series, 775 v, disc 14mm, metal oxide varistor mov.
Vi characteristic curves siovs20 with the load line drawn in. Leaded varistors epcos your require pages is cannot open by blow reason. Vdrs series vdr metal oxide varistors standard vishay. The specified voltage shall be applied between both terminals of the specimen connected together and the electrode inserted between the metal balls. Arrow electronics guides innovation forward for over 200,000 of the worlds leading manufacturers of technology used in homes, business and daily life. Allowable voltage varistor voltage withstanding surge current 8 20. They are coated with ul 94 v0 approved ocher colored halogen free epoxy, which provides electrical, mechanical and climatic protection. Multiple pulse mp disk varistors, s20 multiple pulse important information. Bulk standard, taped versions on reel or in ammo pack upon request. A varistor is an electronic component that protects expensive devices from harmful power surges, much like a shock absorber. Varistor with silicon carbide varistor and zinc oxide varistor.
Epcos tdk s20k250 are available at mouser electronics. Epcos, alldatasheet, datasheet, datasheet search site for electronic components and. Siov metal oxide varistors, leaded varistors, superiormp, s20 series. Epcos tdk s20k varistors are available at mouser electronics.
Metal oxide varistors, or movs are typically made from a small diskshaped metal zinc oxide material. Energy typical capacitance part number acrms dc dc volts 1 time vc ip 2 ms 10 1,000 s at 1 khz volts volts min. May 15, 2019 an january harris suppression products varistor testingmaintenance field maintenance testing is done to verify that the varistor is still providing the intended protection function. Siov siov metal oxide varistors metal oxide va ristors 2008 published by epcos ag corporate center edition 112007 ordering no. Siov, leaded varistors, standard series, s05, s07, s10, s14 and s20. The term is only used for nonohmic varying resistors. Variable resistors, such as the potentiometer and the rheostat, have ohmic characteristics. Touch one meter probe to the free varistor lead and the other probe to the connected lead.