customer : ordercode : description : diameter 14mm a 16.5 max. mm b 7.5 1.0 mm c 0.8 0.05 mm d 4.8 typ. mm d 7.2 max. mm e 20.5 max. mm f 25.0 min. mm g 3.1 1.0 mm properties value unit tol. max. ac operating voltage max. dc operating voltage withstanding surge current max. energy we-s we-s we-s we-s 443211 443211 443211 443211 max. ym* ym* ym* ym* clamping voltage voltage protection rating 33% +25c body insulation: storage temperature: -20c + 60c coating: max. operating temperature: -40c +125c approvals: max. ambient temperature: -40c +115c vde (40016998) & iec 60950-1 annex q max. response t ime: 25ns csa (224856) jb version 1 2010-04-19 name modification date 10% max 8/20s 10/1000s w max 190.0 v dc 418 pf typ d test equipment: 1 khz c p 370 6000 / 3000 v / a 1200 rated power v 50a @ 8/20s v cl 842 v 1ma v var 510 max i max max v rms max a epoxy, ul 94v-0, halogen free emc partner mig0624lp1 for max. surge current and energy max 320 ................................................... ............................... ................................................... ............................... ................................................... ............................... wrth elektronik emc partner mig0603clv2 for clamping voltage 2500vrms withstanding voltage part branding (digit 4-9 of ordercode) approvals (see f) ul1449 3rd (e332875) for use in type 2 spd a dimensions: varistor voltage capacitance v 6000 disk varistor highsurge we-vd 820443211E wrth elektronik eisos gmbh & co. kg wrth elektronik eisos gmbh & co. kg wrth elektronik eisos gmbh & co. kg wrth elektronik eisos gmbh & co. kg d-74638 waldenburg max-eyth-strasse 1 germany phone (+49) (0) 7942 - 945 - 0 fax (+49) (0) 794 2 - 945 - 400 checked 0.6 continuous p max w agilent e4980a lcr meter for capacitance f material & approvals: customer http://www.we-online.com specification for release date : 2010-04-19 max j date ................................................... ............................... signature approved test conditions c body marking: b electrical properties: e test conditions: humidity: temperature: v keithley 2410 for varistor voltage wesurge from wrth elektronik date code & internal symbol general release: g general specifications: v max g page 1 of 5
customer : ordercode : description : jb version 1 2010-04-19 name modification date ................................................... ............................... date signature wrth elektronik eisos gmbh & co. kg wrth elektronik eisos gmbh & co. kg wrth elektronik eisos gmbh & co. kg wrth elektronik eisos gmbh & co. kg d-74638 waldenburg max-eyth-strasse 1 germany phone (+49) (0) 7942 - 945 - 0 fax (+49) (0) 794 2 - 945 - 400 http://www.we-online.com ................................................... ............................... ................................................... ............................... checked approved specification for release disk varistor highsurge we-vd date : 2010-04-19 wrth elektronik h typical i/v characteristic: general release: customer ................................................... ............................... 820443211E this electronic component has been designed and dev eloped for usage in general electronic equipment. b efore incorporating this component into any equipme nt where higher safety and reliability is especially required or if there is t he possibility of direct damage or injury to human body, for example in the range of aerospace, aviati on, nuclear control, submarine, transportation, (automotive control, train control, ship control), transportation signal, disaster pre vention, medical, public information network etc, w rth elektronik eisos gmbh must be informed before the design-in stage. in addition, s ufficient reliability evaluation checks for safety must be performed on every electronic component whic h is used in electrical circuits that require high safety and reliability functions or pe rformance. 100 1 000 1,e-6 1,e-5 1,e-4 1,e-3 1,e-2 1,e-1 1,e+0 1,e+1 1,e+2 1,e+3 1 ,e+4 voltage [v] current [a] max. leakage current max. clamping voltage page 2 of 5
customer : ordercode : description : jb version 1 2010-04-19 name modification date 820443211E disk varistor highsurge we-vd specification for release ................................................... ............................... i typical pulse lifetime derating: general release: customer ................................................... ............................... ................................................... ............................... ................................................... ............................... date signature http://www.we-online.com checked approved wrth elektronik eisos gmbh & co. kg wrth elektronik eisos gmbh & co. kg wrth elektronik eisos gmbh & co. kg wrth elektronik eisos gmbh & co. kg d-74638 waldenburg max-eyth-strasse 1 germany phone (+49) (0) 7942 - 945 - 0 fax (+49) (0) 794 2 - 945 - 400 wrth elektronik this electronic component has been designed and dev eloped for usage in general electronic equipment. b efore incorporating this component into any equipme nt where higher safety and reliability is especially required or if there is t he possibility of direct damage or injury to human body, for example in the range of aerospace, aviati on, nuclear control, submarine, transportation, (automotive control, train control, ship control), transportation signal, disaster pre vention, medical, public information network etc, w rth elektronik eisos gmbh must be informed before the design-in stage. in addition, s ufficient reliability evaluation checks for safety must be performed on every electronic component whic h is used in electrical circuits that require high safety and reliability functions or pe rformance. 12 10 100 1 000 10 000 100 000 1 000 000 1 10 100 1 000 10 000 10 100 1 000 10 000 imax [a] pulse duration [s] no. of pulses note: varistors do not have an endless lifetime. also a well d imensioned varistor may fail due to enormous overload. this will result in heating, smoke emission and / or displosion of varistor itself. therefore we re commend to place varistors separate within a box on pcb. furthermore a fuse should be in the varistors current p ath to avoid secondary current in case the varistor fails. this fuse can protect against secondaty currents and therewith caused damages. page 3 of 5
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