2018 series gas discharge tube surge arrestor with flat ? technology *rohs directive 2002/95/ec jan. 27, 2003 including annex and rohs recast 2011/65/eu june 8, 2011. flat is a registered trademark of bourns, inc. in the u.s. and other countries. specifcations are subject to change without notice. users should verify actual device performance in their specifc applications. the products described herein and this document are subject to specifc legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/ disclaimer.pdf . description bourns sets a new industry standard by offering this 3-electrode gas discharge tube (gdt) in an innovative fat package design. the model 2018 series with flat ? technology provides a low profle, space-saving solution for space-restricted pcb applications. features n bourns ? flat ? gdt technology n flexible mounting options n low profle, space-saving design n 10x 20 ka 8/20 s rating n ul recognized n rohs compliant* applications n telecom cpe n industrial communications n surge protective devices n high density pcb assemblies *rohs compliant lead free *rohs compliant versions available lead free versions are rohs compliant* characteristics test methods per itu-t (ccitt) k.12 class 3 and iec 61643-311 characteristic model no. 2018-09 2018-15 2018-23 2018-35 2018-42 2018-50 dc sparkover 20 % @ 100 v/s (1) dc sparkover end-of-life values (2) maximum (99 % of values) minimum (99 % of values) 90 v <120 v >65 v 150 v <195 v >110 v 230 v <300 v >170 v 350 v <455 v >260 v 420 v <550 v >315 v 500 v <650 v >375 v impulse sparkover voltage (3) 100 v/s typical / for 99 % of values 1 kv/s typical / for 99 % of values 350 / <600 v 650 / <850 v 400 / <750 v 650 / <900 v 450 / <900 v 600 / <1000 v 600 / <1050 v 800 / <1250 v 700 / <1150 v 900 / <1400 v 800 / <1250 v 1000 / <1600 v insulation resistance (ir) .................. 100 v (50 v for model 2018-09) ............................................. > 1 g glow voltage ...................................... 10 ma ..................................................................................... ~ 70 v arc voltage ......................................... >1 a ........................................................................................ ~ 10 v capacitance ........................................ 1 mhz ..................................................................................... < 2.5 pf impulse discharge current (4) ............ 24,000 a, 8/20 s (5) ............................................................... 1 operation 20,000 a, 8/20 s ................................................................... > 10 operations 5,000 a, 10/350 s ................................................................. 1 operation 200 a, 10/1000 s ................................................................. > 300 operations 20 a, 10/1000 s ................................................................... >1500 operations alternating discharge current ............ 10 arms, 1 s ........................................................................... > 10 operations operating/storage temperature ......................................................................................................... -55 to +105 c climatic category (iec 60068-1) ........................................................................................................ 55/105/21 moisture sensitivity level ................................................................................................................... 1 esd classifcation .............................................................................................................................. 3b (>8000 v) notes: ? ul recognized component, ul file e153537 ? dc breakdown and impulse sparkover voltage are specifed line to ground. line to line values are typically 1.8 to 2 times the stated line to ground values. (1) in ionized mode. (4) total current rating through center electrode; half value each line to center electrode. (2) ir after life >10 8 . (5) dc sparkover may exceed 25 % after discharge, but will continue to protect without venting. (3) at delivery aql 0.65 level ii, din iso 2859. how to order 2018 - xx - smh - rp lf series designator 2018 = 3-electrode gdt with flat ? technology, 20 ka 8/20 s rated voltage 09 = 90 v 23 = 230 v 42 = 420 v 15 = 150 v 35 = 350 v 50 = 500 v confguration smh = horizontal mount smd packaging rp = reelpack (standard) rohs compliancy lf = rohs compliant product asia-pacifc: tel: +886-2 2562-4117 ? email: asiacus@bourns.com emea: tel: +36 88 520 390 ? email: eurocus@bourns.com the americas: tel: +1-951 781-5500 ? email: americus@bourns.com www.bourns.com 18-9 2916
specifcations are subject to change without notice. users should verify actual device performance in their specifc applications. the products described herein and this document are subject to specifc legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf . 2018 series gas discharge tube surge arrestor with flat ? technology product dimensions typical part marking dimensions: mm (inches) pad layout xx xx 18- xx x 10.90 0.20 (.429 .008) 0.50 0.10 (.020 .004) 1.00 0.20 (.039 .008) 2 plcs. 1.00 (.039) coplanarity between terminals not to exceed 3.70 0.30 (.146 .012) 2.00 0.30 (.079 .012) 2.50 0.20 (.098 .008) 8.00 +0.10/-0.30 (.315 +.004/-.012) dia. 3.12 (.123) 2 plcs. 4.80 (.189) 1.02 (.040) 2 plcs. 0.84 (.033) 0.84 (.033) 6.50 (.256) 11.62 (.457) 13.30 (.524) 0.25 (.010) r grid placement courtyard 12 plcs. 9.58 (.377) dia. 7.22 (.284) dia. date code: ?wwyy? = week and year of manufacture manufacturer?s trademark voltage: 90 v 150 v 230 v 420 v 500 v xx xx 18-x xx xx xx 18- xx x 10.90 0.20 (.429 .008) 0.50 0.10 (.020 .004) 1.00 0.20 (.039 .008) 2 plcs. 1.00 (.039) coplanarity between terminals not to exceed 3.70 0.30 (.146 .012) 2.00 0.30 (.079 .012) 2.50 0.20 (.098 .008) 8.00 +0.10/-0.30 (.315 +.004/-.012) dia. 3.12 (.123) 2 plcs. 4.80 (.189) 1.02 (.040) 2 plcs. 0.84 (.033) 0.84 (.033) 6.50 (.256) 11.62 (.457) 13.30 (.524) 0.25 (.010) r grid placement courtyard 12 plcs. 9.58 (.377) dia. 7.22 (.284) dia. tolerance: 0.05 (.002)
rev. 06/18 specifcations are subject to change without notice. users should verify actual device performance in their specifc applications. the products described herein and this document are subject to specifc legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf . 2018 series gas discharge tube surge arrestor with flat ? technology the standard tape and reel packaging contains 1,500 pieces per 13-inch reel. packaging specifcations dimensions: mm (inches) c 2.00 0.10 (.079 .004) 4.00 0.10 (.157 .004) 24.00 0.30 (.945 .012) 11.50 0.10 (.453 .004) 2.42 0.10 (.095 .004) 1.71 0.10 (.067 .004) 5.72 +0.10/-0.00 (.225 +.004/-.000) 3.90 0.10 (.153 .004) 12.00 0.10 (.472 .004) 1.50 +0.10/-0.05 (.059 +.004/-.002) dia. 1.75 +0.10/-0.00 (.069 +.004/-.000) 12.63 0.10 (.497 .004) 0.40 0.10 (.016 .004) 3.90 +0.20/-0.05 (.154 +.008/-.002) 3.75 +0.25/-0.00 (.148 +.010/-.000) 3.18 +0.10/-0.05 (.125 +.004/-.002) 93 2 8.30 0.05 (.327 .002) dia. 11.44 0.10 (.451 .004) 1.50 0.10 (.059 .004) dia. xx xx 18-xx x 85.0 2.0 (3.346 .079) 356.0 2.0 (14.016 .079) dia. 14.0 +1.0/-0.0 (.551 +.039/-.00) dia. 6.2 1.0 (.244 .039) 90.0 2.0 (3.543 .079) 90.0 2.0 (3.543 .079) 10.0 1.0 (.394 .039) spacing 105.0 (4.134) a a b b c c section a-a section b-b section c-c 12.0 0.1 (.472 .004) 12.0 0.1 (.472 .004) 2.0 0.1 (.079 .004) 4.0 0.1 (.157 .004) 1.75 (.069) 0.50 0.05 (.020 .002) 8.5 +0.15/-0.05 (.335 +.006/-.002) 9.3 0.1 (.366 .004) 9.1 +0.2/-0.0 (.358 +.008/-.000) 7.50 (.295) 16.0 (.630) 8.2 +0.2/-0.0 (.323 +.008/-.000) 330 (12.992) 2.2 0.5 (.087 .020) 13.0 0.2 (.512 .008) 100 1.0 (3.937 .039) 24.0 (.945) 20.2 1.0 (.795 .039)
legal disclaimer notice this legal disclaimer applies to purchasers and users of bourns ? products manufactured by or on behalf of bourns, inc. and its afliates (collectively, bourns). unless otherwise expressly indicated in writing, bourns ? products and data sheets relating thereto are subject to change without notice. users should check for and obtain the latest relevant information and verify that such information is current and complete before placing orders for bourns ? products. the characteristics and parameters of a bourns ? product set forth in its data sheet are based on laboratory conditions, and statements regarding the suitability of products for certain types of applications are based on bourns knowledge of typical requirements in generic applications. the characteristics and parameters of a bourns ? product in a user application may vary from the data sheet characteristics and parameters due to (i) the combination of the bourns ? product with other components in the users application, or (ii) the environment of the user application itself. the characteristics and parameters of a bourns ? product also can and do vary in diferent applications and actual performance may vary over time. users should always verify the actual performance of the bourns ? product in their specifc devices and applications, and make their own independent judgments regarding the amount of additional test margin to design into their device or application to compensate for diferences between laboratory and real world conditions. unless bourns has explicitly designated an individual bourns ? product as meeting the requirements of a particular industry standard (e.g., iso/ts 16949) or a particular qualifcation (e.g., ul listed or recognized), bourns is not responsible for any failure of an individual bourns ? product to meet the requirements of such industry standard or particular qualifcation. users of bourns ? products are responsible for ensuring compliance with safety-related requirements and standards applicable to their devices or applications. bourns ? products are not recommended, authorized or intended for use in nuclear, lifesaving, life-critical or life-sustaining applications, nor in any other applications where failure or malfunction may result in personal injury, death, or severe property or environmental damage. unless expressly and specifcally approved in writing by two authorized bourns representatives on a case-by-case basis, use of any bourns ? products in such unauthorized applications might not be safe and thus is at the users sole risk. life-critical applications include devices identifed by the u.s. food and drug administration as class iii devices and generally equivalent classifcations outside of the unit ed states. bourns expressly identifes those bourns ? standard products that are suitable for use in automotive applications on such products data sheets in the section entitled applications. unless expressly and specifcally approved in writing by two authorized bourns representatives on a case-by-case basis, use of any other bourns ? standard products in an automotive application might not be safe and thus is not recommended, authorized or intended and is at the users sole risk. if bourns expressly identifes a sub-category of automotive application in the data sheet for its standard products (such as infotainment or lighting), such identifcation means that bourns has reviewed its standard product and has determined that if such bourns ? standard product is considered for potential use in automotive applications, it should only be used in such sub-category of automotive applications. any reference to bourns ? standard product in the data sheet as compliant with the aec-q standard or automotive grade does not by itself mean that bourns has approved such product for use in an automotive application. bourns ? standard products are not tested to comply with united states federal aviation administration standards generally or any other generally equivalent governmental organization standard applicable to products designed or manufactured for use in aircraft or space applications. bourns expressly identifes bourns ? standard products that are suitable for use in aircraft or space applications on such products data sheets in the section entitled applications. unless expressly and specifcally approved in writing by two authorized bourns representatives on a case-by-case basis, use of any other bourns ? standard product in an aircraft or space application might not be safe and thus is not recommended, authorized or intended and is at the users sole risk. the use and level of testing applicable to bourns ? custom products shall be negotiated on a case-by-case basis by bourns and the user for which such bourns ? custom products are specially designed. absent a written agreement between bourns and the user regarding the use and level of such testing, the above provisions applicable to bourns ? standard products shall also apply to such bourns ? custom products. users shall not sell, transfer, export or re-export any bourns ? products or technology for use in activities which involve the design, development, production, use or stockpiling of nuclear, chemical or biological weapons or missiles, nor shall they use bourns ? products or technology in any facility which engages in activities relating to such devices. the foregoing restrictions apply to all uses and applications that violate national or inter national prohibitions, including embargos or international regulations. further, bourns ? products and bourns technology and technical data may not under any circumstance be exported or re-exported to countries subject to international sanctions or embargoes. bourns ? products may not, without prior authorization from bourns and/or the u.s. government, be resold, transferred, or re-exported to any party not eligible to receive u.s. commodities, software, and technical data. to the maximum extent permitted by applicable law, bourns disclaims (i) any and all liability for special, punitive, consequential, incidental or indirect damages or lost revenues or lost profts, and (ii) any and all implied warranties, including implied warranties of ftness for particular purpose, non-infringement and merchantability. for your convenience, copies of this legal disclaimer notice with german, spanish, japanese, traditional chinese and simplifed chinese bilingual versions are available at: web page: http://www.bourns.com/legal/disclaimers-terms-and-policies pdf: http://www.bourns.com/docs/legal/disclaimer.pdf c1753 05/17/18
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