View CNR-05D151K_7870693.PDF datasheet online --- IC-ON-LINE

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approval sheet centra varistor varistor are voltage dependent, nonlinear device which have an electrical behavior similar to back-to-back zener diodes. cnr series zinc oxide varistor are nonlinear resistors, consisting main of zinc oxide and several kinds of metal oxide additive. they are bilateral and symmetrical v-i characteristics curve and unparalleled large peak current capability are used for absorption of transient voltage, suppression of pulse noise and circuit voltage stabilization. applicationsfeatures surge protection in consumer electronics fast response -- industrial electronics excellent voltage ratio -- telephone and telecommunication systems high stabilization for circuit voltage -- automobile equipments unparalleled absorption for transient voltage -- measuring and controller systems characteristics -- electronic home appliances bilateral and symmetrical v-i characteristics -- gas and petroleum appliances curve absorption of switching surge from various kinds of relays and electro-magnetic valves. electrostatic discharge an spike noise suppression. protection of various kinds of transistors, diodes, ics, thyristors, triac semiconductors, and etc. automobile control system such as transistorized ignition system and electronic fuel injection system, and etc. related standards ul1414, ul1449(2nd edition), csa, vde explanation of part numbers cnr07d271tth common code element dia.typesuffix code centra 07 - 7.0mm disc k:10% zinc oxide type 271=27x10 1 =270v varistor space:standard straight lead/bulk packing a:silver disc trs:straight lead/tape&reel packingbti:type ii lead/flat box packing trk:type i crimped lead/tape&reel packingbth:type iii lead/flat box packing tik:type ii crimped lead/tape&reel packingtts:straight cut lead /bulk packing trh:type iii crimped lead/tape&reel packingttk:type i cut lead /bulk packing bts:straight lead/flat box packingtti:type ii cut lead /bulk packing btk:type i lead/flat box packingtth:type iii cut lead /bulk packing k varistor voltagetolerance centra science corp.
approval sheet device ratings and characteristics maximummaximumratedtypical energypeak currentpowercapacitance (j)(8/20s)(@1khz)standards acrms(v)dc(v)min.vb(vdc)max.vc(v)ip(a)10/1000s(a)(w)(pf) cnr-05d180k111414.41821.64410.41000.011600 cnr-05d220k141818.722265110.51000.011500 cnr-05d270k1722232731.16010.61000.011450 cnr-05d330k202629.53336.57310.81000.011400 cnr-05d390k25313539468610.91000.01700 cnr-05d470k303842475510411.11000.01650 cnr-05d560k354550566612311.31000.01600 cnr-05d680k405661688015011.61000.01580 cnr-05d820k506674829013552.54000.10310 cnr-05d101k60859010011017553.04000.10290 cnr-05d121k7510010812013221054.04000.10270 CNR-05D151K9512513515016526054.84000.10240 cnr-05d181k11515016218019832555.94000.10140 cnr-05d201k13017518520022533056.54000.10120 cnr-05d221k14018019822024236057.04000.10110 cnr-05d241k15020021624026439558.04000.10110 cnr-05d271k18023024727030347558.54000.10100 cnr-05d301k19525027030033050559.04000.10100 cnr-05d331k210275297330363540510.04000.1090 cnr-05d361k230300324360396620510.04000.1080 cnr-05d391k250320351390429675512.04000.1080 cnr-05d431k275350387430473745513.04000.1070 cnr-05d471k300385423470517775515.04000.1070 cnr-05d511k320410459510561880515.04000.1065 cnr-05d561k350460504560616940515.04000.1065 cnr-05d621k3855055586206821050515.04000.1065 cnr-05d681k4205606126807481150515.04000.1060 cnr-05d751k4606156757508251290515.04000.1060 standard no. file no. ml file no. symbols selection guide 1.determine the necessary steady-state voltage (working voltage). 2.establish the transient energy absorbed by the varistor 3.calculate the peak transient current through the varistor 4.determine power dissipation requirement. 5.select a model to provide the required voltage-clamping characteristics part no. n/ae223465187409-1424357 for electronic products lr109736-1 ul 1414 across-the-line components e165143 title related standards vde varistors for use in electronic equipment 21557-4790-001 accessories and parts ul 1449(2nd edition) transient voltage surge suppressors e150709 csa 40005991 (@0.1ma)(8/20s) maximum allowable voltage varistorclamping voltage voltage@ test current centra science corp.
approval sheet device ratings and characteristics maximummaximumratedtypical energypeak currentpowercapacitance (j)(8/20s)(@1khz)standards acrms(v)dc(v)min.vb(vdc)max.vc(v)ip(a)10/1000s(a)(w)(pf) cnr-07d180k111414.41821.6422.50.92500.023800 cnr-07d220k141818.72226472.51.12500.023600 cnr-07d270k1722232731.1532.51.42500.023400 cnr-07d330k202629.53336.5652.51.72500.022900 cnr-07d390k2531353943772.52.12500.021600 cnr-07d470k3038424752932.52.52500.021550 cnr-07d560k35455056621102.53.12500.021500 cnr-07d680k40566168751352.53.62500.021200 cnr-07d820k5066748290135105.512000.25860 cnr-07d101k608590100110165106.512000.25750 cnr-07d121k75100108120132200107.812000.25530 cnr-07d151k95125135150165250109.712000.25410 cnr-07d181k1151501621801983001011.712000.25300 cnr-07d201k1301751852002253301013.012000.25250 cnr-07d221k1401801982202423601014.012000.25250 cnr-07d241k1502002162402643951015.012000.25240 cnr-07d271k1752252472703034551018.012000.25220 cnr-07d301k1952502703003305001020.012000.25190 cnr-07d331k2102752973303635401025.012000.25180 cnr-07d361k2303003243603965951025.012000.25170 cnr-07d391k2503203513904296501025.012000.25160 cnr-07d431k2753503874304737101028.012000.25150 cnr-07d471k3003854234705177751030.012000.25130 cnr-07d511k3204104595105618451030.012000.25120 cnr-07d561k3504605045606169151030.012000.25120 cnr-07d621k38550555862068210251030.012000.25120 cnr-07d681k42056061268074811201030.012000.25110 cnr-07d751k46061567575082512401033.012000.25100 cnr-07d781k48564070278085812901037.012000.2590 cnr-07d821k51067073882090213551040.012000.2590 * special for brightking standard no. file no. ml file no. symbols 40005991 part no. n/ae223465187409-1424357 e165143e150709lr109736-1 21557-4790-001 title across-the-linetransient voltageaccessories and parts componentssurge suppressorsfor electronic products varistors for use in electronic equipment related standards ul 1414ul 1449(2nd edition)csavde voltage varistorclamping voltage voltage@ test current (@1ma)(8/20s) maximum allowable centra science corp.
approval sheet device ratings and characteristics maximummaximumratedtypical energypeak currentpowercapacitance (j)(8/20s)(@1khz)standards acrms(v)dc(v)min.vb(vdc)max.vc(v)ip(a)10/1000s(a)(w)(pf) cnr-10d180k111414.41821.63952.15000.0516000 cnr-10d220k141818.722264352.55000.0511000 cnr-10d270k1722232731.15353.05000.058000 cnr-10d330k202629.53336.56554.05000.056300 cnr-10d390k25313539437754.65000.055200 cnr-10d470k30384247529355.55000.054600 cnr-10d560k354550566211057.05000.053750 cnr-10d680k405661687513558.25000.052800 cnr-10d820k50667482901352512.025000.401920 cnr-10d101k6085901001101652515.025000.401800 cnr-10d121k751001081201322002518.025000.401500 cnr-10d151k951251351501652502522.025000.401200 cnr-10d181k1151501621801983002527.025000.40620 cnr-10d201k1301751852002253402530.025000.40570 cnr-10d221k1401801982202423602532.025000.40560 cnr-10d241k1502002162402643952535.025000.40550 cnr-10d271k1802302472703034552540.025000.40530 cnr-10d301k1952502703003305002542.025000.40500 cnr-10d331k2102752973303635402547.025000.40470 cnr-10d361k2303003243603965952547.025000.40450 cnr-10d391k2503203513904296502560.025000.40430 cnr-10d431k2753503874304737102565.025000.40400 cnr-10d471k3003854234705177752570.025000.40300 cnr-10d511k3204204595105618452570.025000.40260 cnr-10d561k3504605045606169152570.025000.40200 cnr-10d621k38550555862068210252570.025000.40170 cnr-10d681k42056061268074811202570.025000.40160 cnr-10d751k46061567575082512402575.025000.40150 cnr-10d781k48564070278085812902580.025000.40150 cnr-10d821k51067073882090213552585.025000.40150 cnr-10d911k550745819910100115002593.025000.40140 cnr-10d102k62582590010001100165025102.025000.40140 cnr-10d112k68089599011001210181525115.025000.40130 standard no. file no. ml file no. symbols 40005991 part no. n/ae223465187409-1424357 e165143e150709lr109736-1 21557-4790-001 title across-the-linetransient voltageaccessories and parts componentssurge suppressorsfor electronic products varistors for use in electronic equipment related standards ul 1414ul 1449(2nd edition)csavde voltage clamping voltage @ test current (8/20s) varistor voltage (@1ma) maximum allowable centra science corp.
approval sheet device ratings and characteristics maximummaximumratedtypical energypeak currentpowercapacitance (j)(8/20s)(@1khz)standards acrms(v)dc(v)min.vb(vdc)max.vc(v)ip(a)10/1000s(a)(w)(pf) cnr-14d180k111414.41821.639104.010000.125000 cnr-14d220k141818.7222643105.010000.120000 cnr-14d270k1722232731.153106.010000.116000 cnr-14d330k202629.53336.565107.510000.112200 cnr-14d390k253135394377108.610000.17000 cnr-14d470k3038424752931010.010000.16750 cnr-14d560k35455056621101011.010000.16500 cnr-14d680k40566168751351014.010000.15500 cnr-14d820k50667482901355022.045000.64300 cnr-14d101k6085901001101655028.045000.63500 cnr-14d121k751001081201322005032.045000.62500 cnr-14d151k951251351501652505040.045000.63100 cnr-14d181k1151501621801983005050.045000.61250 cnr-14d201k1301751852002253305057.045000.61150 cnr-14d221k1401801982202423605060.045000.61100 cnr-14d241k1502002162402643955063.045000.61050 cnr-14d271k1802302472703034555070.045000.61000 cnr-14d301k1952502703003305005073.045000.6900 cnr-14d331k2102752973303635405093.045000.6850 cnr-14d361k2303003243603965955093.045000.6800 cnr-14d391k25032035139042965050100.045000.6800 cnr-14d431k27535038743047371050115.045000.6650 cnr-14d471k30038542347051777550125.045000.6550 cnr-14d511k32042045951056184550125.045000.6450 cnr-14d561k35046050456061691550125.045000.6400 cnr-14d621k385505558620682102550125.045000.6350 cnr-14d681k420560612680748112050130.045000.6350 cnr-14d751k460615675750825124050143.045000.6330 cnr-14d781k485640702780858129050148.045000.6330 cnr-14d821k510675738820902135550157.045000.6330 cnr-14d911k5507458199101001150050175.045000.6300 cnr-14d102k62582590010001100165050190.045000.6300 cnr-14d112k68089599011001210181550213.045000.6200 standard no. file no. ml file no. symbols 40005991 part no. n/ae223465187409-1424357 e165143e150709lr109736-1 21557-4790-001 title across-the-linetransient voltageaccessories and parts componentssurge suppressorsfor electronic products varistors for use in electronic equipment related standards ul 1414ul 1449(2nd edition)csavde voltage(@1ma)(8/20s) maximumvaristorclamping voltage allowablevoltage@ test current centra science corp.
approval sheet device ratings and characteristics maximummaximumratedtypical energypeak currentpowercapacitance (j)(8/20s)(@1khz)standards acrms(v)dc(v)min.vb(vdc)max.vc(v)ip(a)10/1000s(a)(w)(pf) cnr-18d180k111414.41821.639158.320000.1536400 cnr-18d220k141818.72226431510.420000.1527300 cnr-18d270k1722232731.1531512.520000.1522290 cnr-18d330k202629.53336.5651515.620000.1518200 cnr-18d390k2531353943771517.920000.1512250 cnr-18d470k3038424752931520.820000.1512280 cnr-18d560k35455056621101522.820000.1511100 cnr-18d680k40566168751351529.120000.1510460 cnr-18d820k50667482901357530.655000.87460 cnr-18d101k6085901001101657538.955000.87280 cnr-18d121k751001081201322007544.465000.85000 cnr-18d151k951251351501652507555.665000.83820 cnr-18d181k1151501621801983007569.465000.82270 cnr-18d201k1301751852002253307579.265000.82100 cnr-18d221k1401801982202423607583.365000.82000 cnr-18d241k1502002162402643957587.565000.82000 cnr-18d271k1802302472703034557597.265000.81910 cnr-18d301k19525027030033050075101.465000.81630 cnr-18d331k21027529733036354075129.265000.81590 cnr-18d361k23030032436039659575129.265000.81540 cnr-18d391k25032035139042965075138.965000.81270 cnr-18d431k27535038743047371075159.765000.81220 cnr-18d471k30038542347051777575173.665000.81090 cnr-18d511k32042045951056184575175.065000.8950 cnr-18d561k35046050456061691575177.865000.8770 cnr-18d621k385505558620682102575180.665000.8510 cnr-18d681k420560612680748112075182.065000.8500 cnr-18d751k460615675750825124075200.265000.8480 cnr-18d781k485640702780858129075207.265000.8450 cnr-18d821k510675738820902135575219.865000.8450 cnr-18d911k5507458199101001150075245.065000.8430 cnr-18d102k62582590010001100165075266.065000.8410 cnr-18d112k68089599011001210181575298.265000.8360 standard no. file no. ml file no. symbols 40005991 part no. n/ae223465187409-1424357 e165143e150709lr109736-1 21557-4790-001 title across-the-linetransient voltageaccessories and parts componentssurge suppressorsfor electronic products varistors for use in electronic equipment related standards ul 1414ul 1449(2nd edition)csavde voltage(@1ma)(8/20s) maximumvaristorclamping voltage allowablevoltage@ test current centra science corp.
approval sheet device ratings and characteristics maximummaximumratedtypical energypeak currentpowercapacitance (j)(8/20s)(@1khz)standards acrms(v)dc(v)min.vb(vdc)max.vc(v)ip(a)10/1000s(a)(w)(pf) cnr-20d180k111414.41821.6392011.020000.240000 cnr-20d220k141818.72226432014.020000.230000 cnr-20d270k1722232731.1532018.020000.224500 cnr-20d330k202629.53336.5652023.020000.220000 cnr-20d390k2531353943772026.020000.213800 cnr-20d470k3038424752932033.020000.213500 cnr-20d560k35455056621102041.020000.212200 cnr-20d680k40566168751352046.020000.211500 cnr-20d820k506674829013510038.065001.08200 cnr-20d101k60859010011016510045.065001.08000 cnr-20d121k7510010812013220010055.065001.05500 cnr-20d151k9512513515016525010070.065001.04200 cnr-20d181k11515016218019830010085.065001.02500 cnr-20d201k13017518520022534010095.065001.02300 cnr-20d221k140180198220242360100100.065001.02200 cnr-20d241k150200216240264395100108.065001.02200 cnr-20d271k180230247270303455100127.065001.02100 cnr-20d301k195250270300330500100150.065001.01800 cnr-20d331k210275297330363545100163.065001.01750 cnr-20d361k230300324360396595100163.065001.01700 cnr-20d391k250320351390429650100180.065001.01400 cnr-20d431k275350387430473710100190.065001.01350 cnr-20d471k300385423470517775100220.065001.01200 cnr-20d511k320420459510561845100220.065001.01050 cnr-20d561k350460504560616915100220.065001.0850 cnr-20d621k3855055586206821025100220.065001.0570 cnr-20d681k4205606126807481120100230.065001.0550 cnr-20d751k4606156757508251240100255.065001.0530 cnr-20d781k4856407027808581290100265.065001.0500 cnr-20d821k5106757388209021355100282.065001.0500 cnr-20d911k55074581991010011500100310.065001.0480 cnr-20d102k625825900100011001650100342.065001.0460 cnr-20d112k680895990110012101815100383.065001.0400 standard no. file no. ml file no. symbols 40005991 part no. n/ae223465187409-1424357 e165143e150709lr109736-1 21557-4790-001 title across-the-linetransient voltageaccessories and parts componentssurge suppressorsfor electronic products varistors for use in electronic equipment related standards ul 1414ul 1449(2nd edition)csavde voltage(@1ma)(8/20s) maximumvaristorclamping voltage allowablevoltage@ test current centra science corp.
approval sheet dimension table unit:mm model symbol d(max.)7.59.014.017.523.025.0 h(max.)10.012.017.020.526.028.0 w(1.0)5.05.07.57.57.510.0 l(min.)25.025.025.025.025.025.0 d(0.02)0.60.60.80.80.81.0 t(max). table unit:mm part no05d07d10d14d18d20dpart no05d07d10d14d18d20d 180k3.33.53.94.04.24.3301k3.94.14.34.44.64.7 220k3.63.84.24.34.54.6331k4.04.24.54.64.84.9 270k3.84.04.44.54.74.8361k4.14.34.74.85.05.1 330k3.33.53.94.04.24.3391k4.24.44.84.95.15.2 390k3.53.74.14.24.44.5431k4.44.65.05.15.35.4 470k3.73.94.34.44.64.7471k4.64.85.25.35.55.6 560k4.04.24.64.74.95.0511k4.85.05.35.45.65.7 680k4.34.54.95.05.25.3561k5.05.25.55.65.75.9 820k3.33.53.94.04.24.3621k5.35.55.75.86.06.1 101k3.63.84.24.34.54.6681k5.45.65.85.96.16.2 121k3.84.04.44.54.74.8751k5.65.86.06.16.36.4 151k4.14.34.74.85.05.1781k5.86.06.36.46.66.7 181k3.23.43.83.94.14.2821k3.06.36.56.66.86.9 201k3.33.53.94.04.24.3911kxx6.66.76.97.0 221k3.43.64.04.14.34.4102kxx7.07.17.37.4 241k3.53.74.14.24.44.5112kxx7.47.57.77.9 271k3.73.94.24.34.54.6182kxxx11.511.711.9 packing quantity 2000 2000 20000 10000 6000 4000 10000 5000 3000 2000 1000 1000 500 500 min. q'ty(pcs) /carton part no. min. q'ty(pcs) / bags min. q'ty(pcs) /inner box 250 250 1000 1000 cnr-14dxxxk cnr-18dxxxk cnr-20dxxxk cnr-05dxxxk cnr-07dxxxk cnr-10dxxxk dimension of standard products 18d20d 05d07d10d14d centra science corp.
approval sheet crimped lead type unit:mm symbolseries05d series07d series10d series14d series a max. varistor voltage 18v to 330v13.015.019.522.5 v1ma(v) 360v to 1800v 13.015.020.523.5 dmax.7.59.014.017.5 k1.20.41.20.41.40.41.40.4 w5.01.05.01.07.51.07.51.0 cl5.00.55.00.55.00.55.00.5 d 0.60.60.80.8 symbol t : product thickness please reference dimension of standard products packing quantity cut-off type i lead cut-off type ii lead cut-off type iii lead min. q'ty (pcs)/bags min. q'ty(pcs) /inner box min. q'ty(pcs) /carton -ttk-tti-tth 10001500030000 -ttk-tti-tth 10001500030000 -ttk-tti-tth 500500010000 -ttk-tti-tth 50035007000 n/an/an/a 25015003000 n/an/an/a 25015003000 cut-off straight lead cnr-05dxxxk-tts cnr-07dxxxk-tts type iii type ii type i cnr-20dxxxk-tts cnr-10dxxxk-tts cnr-14dxxxk-tts cnr-18dxxxk-tts centra science corp.
approval sheet tape and reel fig. 05d ?? ?? ? ?? ? ? ? ??????????????????????? taping product ordering information -trk-tri-trh-btk-bti-bth -trk-tri-trh-btk-bti-bth -trk-tri-trh outsideinside crimped -trk-tri-trh kinkkink outsideinside crimped kinkkink cnr-07dxxxk-bts type iii lead tape & reelflax box cnr-07dxxxk-trs type i lead type ii lead 10 type i lead type ii lead type iii lead cnr-05dxxxk-trscnr-05dxxxk-bts centra science corp.
approval sheet 05d series07d series14d series p pictch of componet 12.7.1.012.7.1.0 12.7.1.015.0.1.025.4.1.0 p 0 feed hole pitch 12.7.0.212.7.0.2 12.7.0.215.0.0.225.4.0.2 p 1 feed hole center to lead 3.850.73.850.7 3.850.75.000.78.950.7 p 2 hole center to component center 6.350.76.350.7 6.350.77.501.012.70.7 f lead to lead distance 5.00.85.00.8 7.50.87.50.87.50.8 h component alignment 2.0 max2.0 max2.0 max2.0 max2.0 max 18.0+1.018.0+1.0 18.0+1.018.0+1.018.0+1.0 18.0-0.518.0-0.5 18.0-0.518.0-0.518.0-0.5 w 0 hold down tape width 5.0min.5.0min. 5.0min.5.0min.5.0min. 9.0+0.759.0+0.75 9.0+0.759.0+0.759.0+0.75 9.0-0.509.0-0.50 9.0-0.509.0-0.509.0-0.50 w 2 hold down tape position 3.0max3.0max 3.0max3.0max3.0max 18.0+2.018.0+2.0 18.0+2.0 18.0+2.0 18.0+2.0 18.0-0.018.0-0.0 18.0-0.018.0-0.018.0-0.0 h 0 seating plane height 16.00.516.00.5 16.00.516.00.516.00.5 h 1 component height 29.0max32.0max 36.0max36.0max40.0max d 0 feed hole diameter 4.00.24.00.2 4.00.24.00.24.00.2 t total tape thickness 0.70.20.70.2 0.70.20.70.20.70.2 l leagth of clipped lead 11.0 max11.0 max11.0 max11.0 max11.0 max note: dimensions are in mm packing q'ty 180k~391k 2000400016000180k~391k150018000 1 2 431k~781k 1500300012000431k~781k100012000 1 2 180k~391k 2000400016000180k~391k150018000 1 2 431k~821k 1500300012000431k~821k100012000 1 2 180k~271k 1500300012000 3 4 301k~112k 100020008000 3 4 180k~391k 80016006400 5 6 431k~621k 70014005600 5 6 681k~182k 60012004800 5 6 min.q'ty(pcs) /reel min.q'ty(pcs) /inner box min. q'ty(pcs) /carton dimension of taping product model no.model no. min.q'ty(pc s) /reel min.q'ty(pcs ) /inner box min. q'ty(pcs) /carton h 05d 07d 10d x 14d height from tape center to component base tape & reel (trk/tri/trh type)flat box (btk/bti/bth type) w tape width w 1 hole position symbolparameter model size 10d series centra science corp.
approval sheet 1.standard packing bag unit:cm inner box dimension 05d to 10d series10.5 14d to 20d series14.5 labelcarton dimensions (height 21.5cm) part no.inspected by quantity lot no. 2.flat box 3.tape & reel symbol05d07d10dsymbol05d07d10d14d aw55 bd ca b 90 45 55 max 330 max 340 max l packing information 360 max 30 20.3 2 4 . 1 18 l 2 6 . 5 44 26 centra science corp.
approval sheet performance characteristics electrical classification ( nominal varistor voltage ) test voltage ( ac ) v 0.1 ma, v 1 ma Q 330v 1000 vrms v 0.1 ma, v 1 ma 330v 1500 vrms cnr-05d180k to cnr-05d680k0.5a (2 ms) cnr-05d820k to cnr-05d471k 20a (8/20 i the change of vc shall be measured after the impulse listed below is applied 10000 times continuously with the interval of ten seconds at room temperature . v cma / v cma Q 10% 5 series 7 series temperature coefficient of varistor voltage 100 ( %/ )- 0.05 %/ max capacitance capacitance shall be measured at 1 hk z 10 %, 1vrms max . 0v bias and 202 to meet the specified value dissipation factor dissipation factor be measured at 1 hk z 10 %, 1vrms max . 0v bias and 202 maximum energy the maximum energy within the varistor voltage change of 10 % when one impulse of 2 ms or 10/1000 s is applied. maximum peak current withstanding surge current 2 times the maximum current within the varistor voltage change of 10 % with the standard impulse current (8/20 s) applied two times with an interval of 5 minutes. 1 times the maximum current within the varistor voltage change of 10 % with the standard impulse current (8/20 s) applied one times. varistor voltage the voltage between two terminals with the specified measuring current cma dc applied is called vc or vcma . the measurement shall be made as fast as possible to avoid heat affection. to meet the specified value maximum allowable voltage the maximum sinusoidal rms voltage or maximum dc voltage that can be applied continuously in the specified environmental temperature range. clamping voltage the maximum voltage between two terminals with the specified standard impulse current (8/20 s) illustrated below applied. rated powerthe power that can be applied in the specified ambient temperature. characteristicstest methods/descriptionspecifications standard test condition environmental conditions under which every measuring is done without doubt on the measuring results. unless specially specified, temperature, relative humidity are 5 to 35 , 45 to 85 % rh. D vc at 85 D vc at 25 vc at 25 1 60 centra science corp.
approval sheet electrical cnr-05d180k to cnr-05d680k0.45a (2 ms) cnr-05d820k to cnr-05d471k 14a (8/20 s) cnr-07d180k to cnr-07d680k 12a (8/20 s) cnr-07d820k to cnr-07d471k 35a (8/20 s) cnr-10d180k to cnr-10d680k 35a (8/20 s) cnr-10d820k to cnr-10d471k 70a (8/20 s) cnr-14d180k to cnr-14d680k 45a (8/20 s) cnr-14d820k to cnr-14d471k 90a (8/20 s) cnr-20d180k to cnr-20d680k 55a (8/20 s) cnr-20d820k to cnr-20d471k 100a (8/20 s) mechanical approximately 95% of the terminals shall be covered with solder uni-formly resistance to soldering heat after each lead shall be dipped into a solder bath having a temperature 260 5 (3 series: 2505 ) to a point 2.0 to 2.5 mm from the body of the unit, using shiedig board (t=1.5mm), be held there for specified time (3 series: 31 s, 5 series: 51 s and others: 101 s), and then be stored at room temperature and humidity for 1 to 2 hours. the change of vc and mechanical damages are examind. vcma/vcma Q 5% no outstanding damage vibration after repeadly applying a single harmonic vibration (amplitude: 0.75 mm) double amplitude:1.5mm with 1 minute vibration frequency cycles (10 hz to 55 hz to 10 hz) to each of three perpendicular directions for 2 hours. thereafter, the unit shall be visually examined soideradilty after dipping the terminals to a depth of approximately 3mm from the body in a soldering bath of 2355 for 20.5 seconds, the terminal shall be visually examined. robustness of terminations (bending) the unit shall be secured with its terminal kept vertical and the force specified below be applied in the axial direction. the terminal shall gradually be bent by 90 in one direction, then 90in the opposite direction, and again back to the original position. the damage of the terminal shall be visually examined. terminal diameter force ? 0.6 mm 4.9 n 0.5kgf ? 0.8 mm 4.9 n 0.5kgf ? 1.0 mm 9.8 n 1.0kgf characteristicstest methodsspecifications robustness of terminations (tenaile) after gradually applying the force specified below and keeping the unit fixed for the seconds, the terminal shall be visually examined for any damage. no outstanding damage terminal diameter force ? 0.6 mm 9.8 n 1.0kgf ? 0.8 mm 9.8 n 1.0kgf ? 1.0 mm 19.6 n 2.0kgf 20 series note: varistor voltage change of forward direction shall be measured in the test of uni-pole surge life and dc load life 10 series 14 series characteristicstest methodsspecifications impulse life ii the change of vc shall be measured after the impulse listed below is applied 100000 times continuously with the interval of ten seconds at room temperature . vcma/vcma Q 10% 5 series 7 series centra science corp.
approval sheet environmental step 2153 4153 low temperature storage/cold the specimen shall be subjected to -402 without load for 1000 hours and then stored at room temperature for one to two hours. thereafter, the change of vc shall be measured. vcma/vcma Q 5% vcma/vcma Q 10% damp heat load/ humidity load the specimen shall be subjected to 402 , 90 to 95 %rh and the maximum allowable voltage for 1000 hours and then stored at room temperature and humidity for one to two hours. thereafter, the change of vc shall be measured. vcma/vcma Q 10% 30 3 room temperature high temperature load/ dry heat load after being continuously applied the maximum allowable voltage at 85 2 for 1000 hours. the specimen shall be stored at room temperature and humidity for one to two hours thereafter, the change of vc shall be measured. room temperature 3 125 2 temperature( ) period (minutes) 1 -40 3 30 3 characteristicstest methodsspecifications high temperature storage/ dry heat the specimen shall be subjected to 1252 for 1000 hours in a thermostatic bath without load and then stored at room temperature and humidity for 1 to 2 hours. thereafter, the change of vc shall be measured. vcma/vcma Q 5% damp heat/ humidity (steady state) the specimen shall be subjected to 40 2 , 90 to 95 %rh for 1000 hours without load and then stored at room temperature and humidity for one to two hours. thereafter, the change of vc shall be measured. temperature cycle the temperature cycle shown below shall be repeated five times and then stored at room temperature and humidity for one to two hours. the change of vc and mechanical damage shall be examined. centra science corp.

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