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data sheet data sheet ? epcos ag 2008. reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without epcos? prior express consent is prohibited. siov metal oxide varistors housed (thermofuse) varistors, advanced series series/type: etfv14 date: december 2007
2 11/07 please read cautions and warnings and important notes at the end of this document. construction round varistor element, leaded coating: epoxy resin, flame-retardant to ul 94 v-0 terminals: tinned copper wire, metal compound wire housing: thermoplastic, flam e-retardant to ul 94 v-0 features wide operating voltage range 130 ? 420 v rms self-protected under abnormal overvoltage conditions high-energy advanced series e2 approvals ul applications air conditioner, refrigerator, tv, etc. power meter, inverter, telecom equipment, etc. transient voltage surg e suppressors (tvss) delivery mode bulk (standard) typical applications general technical data climatic category to iec 60068-1 40/85/56 operating temperature to cecc 42 000 ? 40 ? + 85 c storage temperature ? 40 ? +125 c electric strength to cecc 42 000 2.5 kv rms response time <25 ns var0602-s-e line fuse d led line neutral r to protected device thermofuse housed varistors thermofuse varistors, etfv14 series
3 11/07 please read cautions and warnings and important notes at the end of this document. maximum ratings (t a = 85 c) ordering code type (untaped) siov- v rms v v dc v i max (8/20 s) a w max (2 ms) j p max w b72214t2131k101 etfv14k130e2 130 170 6000 50 0.6 b72214t2141k101 etfv14k140e2 140 180 6000 55 0.6 b72214t2151k101 etfv14k150e2 150 200 6000 60 0.6 b72214t2171k101 etfv14k175e2 175 225 6000 70 0.6 b72214t2211k101 etfv14k210e2 210 270 6000 80 0.6 b72214t2231k101 etfv14k230e2 230 300 6000 90 0.6 b72214t2251k101 etfv14k250e2 250 320 6000 100 0.6 b72214t2271k101 etfv14k275e2 275 350 6000 110 0.6 b72214t2301k101 etfv14k300e2 300 385 6000 125 0.6 b72214t2321k101 etfv14k320e2 320 420 6000 136 0.6 b72214t2351k101 etfv14k350e2 350 460 6000 136 0.6 b72214t2381k101 etfv14k385e2 385 505 6000 136 0.6 b72214t2421k101 ETFV14K420E2 420 560 6000 136 0.6 characteristics (t a = 25 c) ordering code type (untaped) siov- v v (1 ma) v ? v v (1 ma) % v c, max (i c ) v i c a c typ (1 khz) pf b72214t2131k101 etfv14k130e2 205 10 340 50 650 b72214t2141k101 etfv14k140e2 220 10 360 50 610 b72214t2151k101 etfv14k150e2 240 10 395 50 570 b72214t2171k101 etfv14k175e2 270 10 455 50 490 b72214t2211k101 etfv14k210e2 330 10 545 50 410 b72214t2231k101 etfv14k230e2 360 10 595 50 380 b72214t2251k101 etfv14k250e2 390 10 650 50 350 b72214t2271k101 etfv14k275e2 430 10 710 50 320 b72214t2301k101 etfv14k300e2 470 10 775 50 300 b72214t2321k101 etfv14k320e2 510 10 840 50 280 b72214t2351k101 etfv14k350e2 560 10 910 50 260 b72214t2381k101 etfv14k385e2 620 10 1025 50 240 b72214t2421k101 ETFV14K420E2 680 10 1120 50 220 thermofuse varistors, etfv14 series housed varistors
4 11/07 please read cautions and warnings and important notes at the end of this document. dimensional drawing weight lead configuration 1.40.5 20.5 10.5 50.5 19.2 max. 11.2 max. 50.5 7.50.5 22 max. 50.5 ?0.80.05 var0587-a-e 1 3 2 nominal diameter mm v rms v weight g 14 130 ? 420 4.3 ? 5.3 var0592-x-e 3 1 2 thermofuse metal oxide varistor monitor lead thermofuse varistors, etfv14 series housed varistors
5 11/07 please read cautions and warnings and important notes at the end of this document. reliability data test test methods/conditions requirement varistor voltage the voltage between two terminals with the specified measuring current applied is called v v (1 ma dc @ 0.2 ? 2 s). to meet the specified value. clamping voltage the maximum voltage between two terminals with the specified standard impulse current (8/20 s) applied. to meet the specified value. surge current derating, 8/20 s cecc 42 000, test c 2.1 100 surge currents (8/20 s), unipolar, interval 30 s, amplitude corresponding to derating curve for 100 impulses at 20 s | ? v/v (1 ma) | 10% (measured in direction of surge current) no visible damage surge current derating, 2ms cecc 42 000, test c 2.1 100 surge currents (2 ms), unipolar, interval 120 s, amplitude corresponding to derating curve for 100 impulses at 2 ms | ? v/v (1 ma) | 10% (measured in direction of surge current) no visible damage abnormal overvoltage test ul1449, limited current abnormal over- voltage test. apply a high ac voltage to thermofuse varistor, the amplitude of overvoltage and current limit will be adopted from ul1449 general instruc- tion in section 37. the specimen will be tested on a softwo od surface covered with a double layer of white tissue paper. the specimen is to be loosely draped with a double layer of cheese- cloth. the cheesecloth shall cover openings where flame, molten or other particles may be expelled as a result of the test. the test result will be visually inspected. any of these phenomena shall not be observed, or this specimen will be judged as failed part. 1. emission of flame, molten metal, glowing or flaming particles through any openings (pre-existed or created as a result of the test) in the product. 2. charring, glowing, or flaming of the supporting surface, tissue paper, or cheesecloth. 3. ignition of the enclosure. 4. creation of any openings in the enclosure that result in accessibility of live parts, when judged in accordance with accessibility of live parts, ul1449 section 13. thermofuse varistors, etfv14 series housed varistors
6 11/07 please read cautions and warnings and important notes at the end of this document. v/i characteristics v = f (i) ? for explanation of the characteri stics refer a = leakage current for worst-case to ?general technical information?, 1.6. 3 b = protection level varistor tolerances siov-etfv14 ? e2 v i 10 0 10 1 10 2 10 3 10 4 a 50 60 80 100 200 400 600 800 1000 2000 v 5000 var0627-u 5 10 __ 10 4 10 _ 3 10 _ 2 10 _ 1 a b 140 150 175 130 320 250 230 275 300 420 385 175 150 140 130 210 275 250 230 320 300 420 385 210 350 350 thermofuse varistors, etfv14 series housed varistors
7 11/07 please read cautions and warnings and important notes at the end of this document. derating curves maximum surge current i max = f (t r , pulse train) for explanation of the derating curves refer to ?general technical in formation?, section 1.8.1 siov-etfv14 ? e2 i max r t 5 1 10 2 510 10 10 3 5s 4 i t r max var0435-z 3 4 2 5 6 10 10 10 10 10 10 1x 2 0 10 1 10 2 10 3 10 a 5 5 5 10 4 thermofuse varistors, etfv14 series housed varistors
8 11/07 cautions and warnings general 1. 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 design-in-phase. 2. ensure suitability of siovs through reliability testing during the design-in phase. siovs should be evaluated taking into consideration worst-case conditions. 3. for applications of siovs in line-to-ground circuits based on various international and local standards there are restrictions existing or additional safety measures required. storage 1. store siovs only in original packaging. do not open the package before storage. 2. storage conditions in original packaging: storage temperature: ?25 c ? +45 c relative humidity: <75% annual average, <95% on maximum 30 days a year. dew precipitation: is to be avoided. 3. avoid contamination of an siov?s surface during storage, handling and processing. 4. avoid storage of siovs in harmful environments that can affect the function during long-term operation (examples given under operation precautions). 5. the siov type series should be soldered within the time specified: siov-s, -q, -ls 24 months etfv and sfs types 12 months. handling 1. siovs must not be dropped. 2. components must not be touched with bare hands. gloves are recommended. 3. avoid contamination of the surface of siov electrodes during handling, be careful of the sharp edge of siov electrodes. soldering (where applicable) 1. use rosin-type flux or non-activated flux. 2. insufficient preheating may cause ceramic cracks. 3. rapid cooling by dipping in solvent is not recommended. 4. complete removal of flux is recommended. please read cautions and warnings and important notes at the end of this document. housed varistors thermofuse varistors, etfv14 series
9 11/07 mounting 1. potting, sealing or adhesive compounds can produce chemical reactions in the siov ceramic that will degrade the component?s electrical characteristics. 2. overloading siovs may result in ruptured packages and expulsion of hot materials. for this rea- son siovs should be physically shie lded from adjacent components. operation 1. use siovs only within the specified temperature operating range. 2. use siovs only within the specified voltage and current ranges. 3. environmental conditions must not harm siov s. use siovs only in normal atmospheric condi- tions. avoid use in the presence of deoxidizing gases (chlorine gas, hydrogen sulfide gas, ammonia gas, sulfuric acid gas, etc), corrosive agents, humid or salty conditions. avoid contact with any liquids and solvents. please read cautions and warnings and important notes at the end of this document. housed varistors thermofuse varistors, etfv14 series
10 11/07 important notes the following applies to all products named in this publication: 1. some parts of this publication contain statements about the suitability of our products for certain areas of application . these statements are based on our knowledge of typical requirements that are often placed on our prod ucts in the areas of application concerned. we nevertheless expressly point out that such statements cannot be regarded as binding statements about the suitability of our produc ts for a particular customer application. as a rule, epcos is either unfamiliar with individual customer applications or less familiar with them than the customers themselves. for these reasons, it is always ultimately incumbent on the customer to check and decide whether an epcos product with the properties described in the product specification is suitable for us e in a particular customer application. 2. we also point out that in individual cases, a malfuncti on of passive electronic components or failure before the end of their usual servic e life cannot be completely ruled out in the current state of the art, even if they are operated as specified. in customer applications requiring a very high level of operational safety and especially in customer applications in which the malfunction or failure of a passive electronic component could endanger human life or health (e.g. in accident prevention or life-saving systems), it must th erefore be ensu red by means of suitable design of the customer application or other action taken by the customer (e.g. installation of protective circuitry or redundancy) that no injury or damage is sustained by third parties in the event of malfunction or failure of a passive electronic component. 3. the warnings, cautions and product- specific notes must be observed . 4. in order to satisfy cert ain technical requirements, some of the products described in this publication may contain substances subject to restrictions in certain jurisdictions (e.g. because they are classed as hazardous) . useful information on th is will be found in our material data sheets on the internet (www.epcos.com/material ). should you have any more detailed questions, please contact our sales offices. 5. we constantly strive to improve our products. consequently, the products described in this publication may change from time to time . the same is true of the corresponding product specifications. please check therefore to what extent product descriptions and specifications contained in this publication are still applicable before or when you place an order. we also reserve the right to discontinue production and delivery of products . consequently, we cannot guarantee that all products named in this publication will always be available. the aforementioned does not apply in the case of individual agreements deviating from the foregoing for customer-specific products. 6. unless otherwise agreed in individual contracts, all orders are subject to the current version of the ?general terms of delivery for produc ts and services in the electrical industry? published by the german electrical a nd electronics industry association (zvei) . 7. the trade names epcos, baoke, alu-x, cera diode, cssp, dssp, miniblue, mkk, mlsc, motorcap, pcc, phasecap, phasemod, siferrit, sifi, sikorel, silvercap, simdad, simid, sineformer, siov, sip5d, sip5k, thermofuse, windcap are trademarks registered or pending in europe and in ot her countries. further information will be found on the internet at www.epcos.com/trademarks.
mouser electronics authorized distributor click to view pricing, inventory, delivery & lifecycle information: epcos: ? b72214t2141k101? b72214t2211k101? b72214t2231k101? b72214t2251k101? b72214t2301k101? b72214t2351k101? b72214t2381k101? ETFV14K420E2? etfv14k275e2? etfv14k150e2? etfv14k130e2? etfv14k175e2? etfv14k320e2

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