Oct 04, 2010 read about basic varistor operation and applications. Specifications are subject to change without notice. Recent listings manufacturer directory get instant. The word varistor is derived from variable resistor. If you change the name to some other name, this will not work as expected. Commonly used to protect electronic circuits from surges. Surface mount multilayer varistors mlvs mla series. Circuit protection from transient voltage by varistor. 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. Also known as a voltagedependent resistor vdr, it has a nonlinear, nonohmic currentvoltage characteristic that is similar to that of a diode. They are incorporated into the circuit in such a way that when activated they will take over the current created by the high voltage away from the sensitive components. Line voltage operation, radial leadla varistor seriesvaristor products52. Our payment security system encrypts your information during transmission.
Metal oxide varistors mov part number cross reference guide 5mm series telfax. Typical applications include motor control, telecom, automotive. Cross reference guide is for reference only, and please refer to our pdf specification. A varistor is an electronic component that protects expensive devices from harmful power surges, much like a shock absorber. Varistor symbol and applications metal oxide varistor. Metal oxide varistors mov part number cross reference guide. Some parts of this publication contain statements about the suitability of our products for certain areas of application.
Single pulse transient energy 10 us rated transient average power dissipation ac dc vndc vc ip itm wtm ptavm. How to upload and link to a pdf file in kompozer and nvu. Visit our ebay store for varistors, thermistors and other electronic component values. The current circuit is protected by a 3a fuse and a varistor of type s10k30. S00 datasheet, s00 pdf, s00 data sheet, s00 manual, s00 pdf, s00, datenblatt, electronics s00, alldatasheet, free, datasheet, datasheets, data sheet, datas sheets. A wide variety of 275l20 varistor options are available to you, there are 2 suppliers who sells 275l20 varistor on, mainly located in asia. Varistors are voltage dependent, nonlinear devices which have an electrical behavior similar to backtoback zener diodes. Mov14dxxxk series metal oxide varistor rohs directive 200295ec jan. S20k230 varistor 230vrms 20mm radial epcos inc datasheet pdf. Recent listings manufacturer directory get instant insight into. Ultramov high surge current radial lead metal oxide varistor. Amongst the wide range of products for sale choice, varistor is one of the hot items.
These statements are based on our knowledge of typical requirements that are often placed on our products. Littelfuse circuit protection, fuses, power control. China varistor, varistor manufacturers, suppliers, price. These devices also have improved temperature cycling performance capability. Littelfuse varistors basic properties, terminology and. V275la20ap littelfuse, tvs varistor, mov, 275 v farnell. Shop with confidence on ebay mov vac varistors are available at mouser electronics. Multiple pulse mp disk varistors, s20 multiple pulse important information. These ul recognized varistors require very little mounting space, and.
Varistors ntc thermistors manufacturer,varistor,thermistor vatronics myg general purpose varistors features vatronics makes small size,large peak current and high energy insulated coating with epoxy element diameter with 5,7,10,14,20mm with safety approval ul1449e191293 for spec. Bulk standard, taped versions on reel or in ammo pack upon request. When the circuit is exposed to a high voltage transient, the varistor starts to conduct and clamps the transient voltage to a safe level. Varistor testing introduction this note details the common tests of varistor parameters and describes suitable test methods using simpli. You can also customize varistor orders from our oemodm manufacturers.
Simply follow its instructions to upload your pdf file. However, when the surge voltage exceeds the varistor voltage, the impedance across the varistor terminals decreases sharply. The test circuits and methods given herein are intended as a general guide. Pdf vla20a vla20ax10 275l20 varistor 150l20 varistor varistor 275l20 varistor 250l20 250l20 varistor varistor 1 250l40 varistor 150l10 varistor v275la40b l20 varistor. These ul recognised varistors require very little mounting space, and are offered in various standard lead form options. Varistors can be considered to be a form of resistor in which the resistance changes significantly with the applied voltage. S10k275 varistor 275vrms 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.
S10k275 varistor 275vrms 10mm radial epcos inc datasheet pdf. A test current of 1 ma dc is typically used to determine. Varistor is a passive nonlinear two terminal solid state semiconductor device. The most common type of varistor utilise a metal oxide and hence they are often known as metal oxide varistors, or mov for short. Through contact with those elements, we harmonize the energy, recharge and purify ourselves. Get the best deals on ge varistors when you shop the largest online selection at. Application of zno varistor protection to capacitors of artificially commutated inverter in mtdc system article pdf available in ieee transactions on power systems 61. Littelfuse varistors basic properties, terminology and theory what is a littelfuse varistor. Varistors are in stock and ship sameday at mouser electronics from industry leading manufacturers. Transient surge voltage suppressors and their performance in circuit overvoltage protection conference paper pdf available october 2008 with 720 reads how we measure reads. S20k230 varistor 230vrms 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. Varistors are produced using zinc oxide as a conductor mixed with oxides of various metals often bismuth which are characterised by much higher resistance. The energy of the incoming surge is partially conducted and partially absorbed, protecting the circuit. We dont share your credit card details with thirdparty sellers, and we dont sell your information to others.
A varistor is an electronic component with an electrical resistance that varies with the applied voltage. All tests are performed at 25oc, unless otherwise speci. These ul recognized varistors require very little mounting space, and are offered in various standard lead form options. When a higher voltage appears, the varistor s structure is laid on the connectors so that the electric current finds the outlet.
Mov 275 vac varistors are available at mouser electronics. Varistors transfer multisort elektronik electronic components. In contrast to a diode however, it has the same characteristic for both directions of traversing current. 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. Rating 85c characteristics 25c continuous transient varistor. The 19th century wasting disease marasmus claimed the lives of many orphans before their first birthday and a study undertaken many years later established the link between lack of. We and our partners are using technologies like cookies and process personal data like the ipaddress or browser information in order to personalize the advertising that you see. Vatronics myg general purpose varistors features applications. Varistors provide over voltage protection to electrical and electronic circuits in contrast to circuit breakers or fuse which. These ul recognized varistors require very little mounting space, and are.
Metaloxide varistors movs mla varistor series littelfuse. Users should verify actual device performance in their specific applications. A varistor is an electronic component with an electrical resistance that varies with the applied. Emri the power of synergy repair en revision of generators and electric motors service on generators and electric motors, 247, worldwide design and manufacturing of high qualitiy electric components for use in generators webshop for voltage regulators and other generator related parts. Varistor is a resistor that changes resistance depending on the voltage. The ceramic disk is fitted with tinned copper wire and then coated with epoxy resin. Features zinc oxide varistor are nonlinear resistors utilize a semiconductor electronic ceramic element mainly composed of zinc oxide and its resistors change as a function of the applied voltage. Line voltage operation, radial lead datasheet catalog. Construction round varistor element, leaded coating. Pdf application of zno varistor protection to capacitors of. A surge in excess of the specified withstanding surge current may cause short circuits or package rupture with expulsion of material. 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. These speakers are comfortable with all types of music and deserve a big room to really give their best in cekestion low end, as well as a powerful and musical amp for the passive drivers. The metal oxide varistors offer a choice of varistor voltages from.