notice_e-01 notice for taiyo yuden products y please read this notice before using the taiyo yuden products. reminders product information in this catalog is as of october 2010. all of the contents speci?ed herein are subject to change with out notice due to technical improvements, etc. therefore, please check for the latest information carefully be - fore p r actical application or usage of the products. pl e ase note that taiyo yuden co., ltd. shall not be responsible for any defects in products or equipment incorpo - rat i ng such products, which are caused under the conditions other than those speci?ed in this catalog or individual spe c i?cation. please contact taiyo yuden co., ltd. for further details of product speci?cations as the individual speci?cation is ava i lable. please conduct validation and veri?cation of products in actual condition of mounting and operating environment befo r e commercial shipment of the equipment. a l l electronic components or functional modules listed in this catalog are developed, designed and intended for use i n general electronics equipment.(for av, office automation, household, office supply, information service, tel e communications, (s u ch as mobile phone or pc) etc.). before incorporating the components or devices into any equipment in the ?eld such as transportation,( automotive control, train control, ship control), transportation signal, dis a ster prevention, medical, public information network (telephone exchange, base station) etc. which may have dir e ct in?uence to harm or injure a human body, please contact taiyo yuden co., ltd. for more detail in advance. do n ot incorporate the products into any equipment in ?elds such as aerospace, aviation, nuclear control, subma - rin e s ystem, military, etc. where higher safety and reliability are especially required. in a ddition, even electronic components or functional modules that are used for the general electronic equipment, if t h e equipment or the electric circuit require high safety or reliability function or performances, a suf?cient reliabil - ity e valuation check for safety shall be performed before commercial shipment and moreover, due consideration to ins t all a protective circuit is strongly recommended at customer's design stage. t h e contents of this catalog are applicable to the products which are purchased from our sales of?ces or distribu - tor s ( so called ? tai y o yuden ? s of?cial sales channel ? ). it is only applicable to the products purchased from any of taiyo yuden ? s of? c ial sales channel. please note that taiyo yuden co., ltd. shall have no responsibility for any controversies or disputes that may oc - cur i n connection with a third party's intellectual property rights and other related rights arising from your usage of pro d ucts in this catalog. taiyo yuden co., ltd. grants no license for such rights. c a ution for export ce r tain items in this catalog may require speci?c procedures for export according to ? for e ign exchange and for - eign trade control law ? of j apan, ? u.s. export administration regulations ? , and other applicable regulations. should you have any question or inquiry on this matter, please contact our sales staff.
142 wound06_e-01 features ordering code external dimensions /standard quan tity applications operating temperature range available inductance range part numbers nr 10050 type the saturation current value (idc1) is the dc current value having inductance decrease down to 30%. (at 20 ) the temperature rise current value (idc2) is the dc current value having temperature increase up to 40 . (at 20 ) the maximum rated current is the dc current value that satis?es both of current value saturation current value and temperature rise current value. (at 20 ) ordering code ehs ( environmental hazardous substances ) inductance [ h] inductance tol e rance self-resonant fre q uency [mhz ] (min.) dc re s istance [ ] ( 3 0%) ra t ed current [ma ] m easuring freq uency [khz ] sat u ration current idc 1 temperature rise current idc2 nr10050t1r3n rohs 1.3 30 53 0 . 0068 1100 0 9000 100 nr10050t2r1n rohs 2.1 37 0.008 10000 8300 nr10050t2r9n rohs 2.9 29 0.0093 820 0 7 300 nr10050t3r8n rohs 3.8 26 0.013 7300 6800 nr10050t4r9n rohs 4.9 23 0.015 6600 6000 nr10050t6r5n rohs 6.5 19 0.018 6000 5200 nr10050t100m rohs 10 20 15 0.025 4700 4100 nr10050t150m rohs 15 11 0.035 3600 3200 nr10050t220m rohs 22 10 0.045 2600 2500 nr10050t330m rohs 33 8.2 0.066 2500 2100 nr10050t470m rohs 47 7.0 0.092 2000 1800 nr10050t680m rohs 68 5.6 0.144 1700 1500 NR10050T101M rohs 100 4.6 0.209 1300 1200 nr10050t221m rohs 220 3.0 0.450 1000 800 this catalog contains the typical speci?cation only due to the limitation of space. when you consider the purchase of our products, please check our speci?cation. for details of each product (characteristics graph, reliability information, precautions for use, and so on), see our web site (http://www.ty-top.com/) or cd catalogs. ? smd inductor. ? it corresponds to high current. ? si m ple and original magnetic shield structure. ? power supply circuits / dc-dc converters in a variety of applications such as pdp tv, lcd tv, hdd, pc, etc. ? 25 105 including self-generated heat smd inductors large current type type l w h a b standard qua n tity [pcs] tap e & r eel nr 10 0 50 10. 0 0 .3 9.8 0.5 5.0 max 4.0 1 . 75 500 0.394 0.012 0.386 0.020 (0.197 max) 0. 1 6 0.07 unit : mm (inch) ? type nr coating resin speci?cation blank space ? packaging t tape & reel blank space ? nominal inductance h example 1r3 1.3 100 10 101 100 r decimal point ? inductance tolerance m 20% n 30% ? internal code standard product blank space ? external dimensions (w h) example 10050 10.0 5.0mm n r 1 0 0 5 0 t 1 0 0 m ? ? ? ? ? ? l h w b b a range type nr 10050 ima x [ a] rdc 3 0 [m ] 1.0 9 6 .8 4.1 25 10 1.2 209 100 220 0.8 450 inductance ? h recommended land patterns 2.6 2.6 4.5 5.4 surface mounting ? mounting and soldering conditions should be checked beforehand. ? applicable soldering process to these products is re?ow sold ering only. unit : mm reflow
ferrite products 143 wound06_e-01 electrical characteristics this catalog contains the typical speci?cation only due to the limitation of space. when you consider the purchase of our products, please check our speci?cation. for details of each product (characteristics graph, reliability information, precautions for use, and so on), see our web site (http://www.ty-top.com/) or cd catalogs. dc bias characteristics 1000.0 100.0 10.0 1.0 0.1 0.1 1.0 10.0 100.0 nr 10050 dc bias a inductance h 221m 101m 680m 470m 330m 220m 150m 100m 1r3n 6r5n 4r9n 3r8n 2r9n 2r1n measured by hp4285a
wound06_pack-p1 wound06_pack_e-01 packaging this catalog contains the typical speci?cation only due to the limitation of space. when you consider the purchase of our products, please check our speci?cation. for details of each product (characteristics graph, reliability information, precautions for use, and so on), see our web site (http://www.ty-top.com/) or cd catalogs. ? embossed tape 24mm wide (0.945 inches wide) mini mum qua n tity type standard quantity [ pcs ] tape & reel nr 10 0 50 500 1.5 0.059 4.0 ? 0.1 0.157 ? 0.004 1.75 ? 0.1 0.069 ? 0.004 2.0 ? 0.1 0.079 ? 0.004 0.1 ? 0 0.004 ? 0 k f t b 16.0 ? 0.1 0.63 ? 0.004 11.5 ? 0.1 0.453 ? 0.004 24.0yy 0.945 0.3 ? 0.1 0.012 ? 0.004 a tape material taping dimensions type chip cavity insertion pitch tape thickness a b f t k nr 10050 10.4 0.1 9.9 0.1 16.0 0.1 0.5 0.05 5.7 0.1 (0.409 0.004) (0.390 0.004) (0.630 0.004) (0.020 0.002) (0.224 0.004) unit : mm (inch) leader and blank portion 640mm or more 700mm or more blank portions chip cavity blank portions leader direction of tape feed 320mm or more 13 ? 0.5 0.512 ? 0.020 13 ? 0.5 25.5 ? 1.0 1.004 ? 0.04 t d d 2 ? 0.5 0.079 ? 0.020 0.512 ? 0.020 reel size type reel size (reference values) d d t (max.) nr 10050 330 3 8 0 2 3 0.5 (12.99 0.118) (3.15 0.078) (1 . 201) unit : mm (inch) top tape strength the top tape requires a peel-off force of 0.1 to 1.3n in the direction of the arrow as illustrated below.
wound0407_reli-rp1 wound0407_reli_e-01 reliability data this catalog contains the typical speci?cation only due to the limitation of space. when you consider the purchase of our products, please check our speci?cation. for details of each product (characteristics graph, reliability information, precautions for use, and so on), see our web site (http://www.ty-top.com/) or cd catalogs. 1. operating temperature range nr30/40/50/60/80, nrv30, nrh24/30, nrs40/50/60/80 typ e ` 2 5 120 nr10050 type ` 25 1 0 5 ns12555, ns12565, ns12575type ` 40 125 test method and remarks inc l uding self-generated heat 3. rated current nr30/40/50/60/80, nrv30, nrh24/30, nrs40/50/60/80 typ e w ithin the speci?ed tolerance nr1 0 050 type ns12555, ns12565, ns12575type 4. inductance nr30/40/50/60/80, nrv30, nrh24/30, nrs40/50/60/80 typ e w ithin the speci?ed tolerance nr1 0 050 type ns12555, ns12565, ns12575type test method and remarks lcr meter : hp 4285a or equivalent, measuring frequency : speci?ed frequency nr3 0 /40/50/60/80, nrv30, nrh24/30, nrs40/50/60/80 type, ns12555, ns12565, ns12575type : lcr meter : hp 4285a or equivalent, 100khz, 1v nr10050 type : lc r m eter : hp 4263a or equivalent, 100khz, 1v 5. dc resistance nr30/40/50/60/80, nrv30, nrh24/30, nrs40/50/60/80 typ e w ithin the speci?ed tolerance nr1 0 050 type ns12555, ns12565, ns12575type test method and remarks dc ohmmeter : hioki 3227 or equivalent 6. self resonance frequency nr30/40/50/60/80, nrv30, nrh24/30, nrs40/50/60/80 typ e w ithin the speci?cation nr1 0 050 type ns12555, ns12565, ns12575type test method and remarks nr30/40/50/60/80, nrv 3 0, nrh24/30, nrs40/50/60/80 type, nr10050 type, ns12555, ns12565, ns12575type : inpedance ana l yzer/material analyzer : hp4291a or equivalent hp4191a, 4192a or equivalent 2. storage temperature range nr30/40/50/60/80, nrv30, nrh24/30, nrs40/50/60/80 typ e ` 4 0 85 nr10050 type ns12555, ns12565, ns12575type test method and remarks nr30/40/50/60/80, nrv30, nrh24/30, nrs40/50/60/80 type, nr10050 type, ns12555, ns12565, ns12575type : 5 to 40 for the product with taping. 7. temperature characteristic nr30/40/50/60/80, nrv30, nrh24/30, nrs40/50/60/80 typ e i nductance chan ge : within 20% nr10050 type ns12555, ns12565, ns12575type inductance change : within 15% test method and remarks nr3 0 /40/50/60/80, nrv 3 0, nrh24/30, nrs40/50/60/80 type, nr10050 type : measurement of inductance shall be taken at temperature range within 25 85 . with ref e rence to inductance value at 20 ., change rate shall be calculated. ns12555, ns12565, ns12575type : mea s urement of inductance shall be taken at temperature range within 40 125 . with ref e rence to inductance value at 20 ., change rate shall be calculated. change of maximum inductance deviation in step 1 to 5 temperature at step 1 20 temperature at step 2 minimum operating temperature temperature at step 3 20 (standard temperature) temperature at step 4 maximum oparating temperature temperature at step 5 20 8. resistance to ?exure of substrate nr30/40/50/60/80, nrv30, nrh24/30, nrs40/50/60/80 typ e n o damage nr1 0 050 type ns12555, ns12565, ns12575type no damage test method and remarks nr3 0 /40/50/60/80, nrv 3 0, nrh24/30, nrs40/50/60/80 type, ns12555, ns12565, ns12575type : the test samples shall be soldered to the test board by the re?ow. as illustrated below, apply force in the direction of the arrow indicating until de?ection of the test board rea c hes to 2 mm. te s t board size : 100 40 1. 0 test board material : glass epoxy-resin so l der cre a m thickness : 0.10 (nr30/40, nrs40, nrh24/30, nrv30 ) 0.15 (nr 5 0/60/80, nrs40/50/60, ns12555, ns12565, ns12575type ) force rod board test sample 20 10 r230 r5 45 ? 2mm 45 ? 2mm land dimension nrh24 0.7 0.7 0.75 2.0 land dimension nr30, nrh30, nrv30 0.8 0.81.4 2.7 land dimension nr40, nrs40 1.2 1.21.6 3.7 land dimension nr50, nrs50 1.5 1.52.1 4.0 land dimension nr60, nrs60 1.6 1.63.1 5.7 land dimension nr80 1.8 1.83.8 7.5 land dimension >?>?>?>?>?>?>?>>?>?>?>?>?>>?>>?>?>?>?>?>>? 2.5 2.58.6 3.2 unit : mm wound chip power inductor nr, ns-series
wound0407_reli-rp2 wound0407_reli_e-01 reliability data this catalog contains the typical speci?cation only due to the limitation of space. when you consider the purchase of our products, please check our speci?cation. for details of each product (characteristics graph, reliability information, precautions for use, and so on), see our web site (http://www.ty-top.com/) or cd catalogs. 12. adhesion of terminal electrode nr30/40/50/60/80, nrv 3 0, nrh24/30, nrs40/50/60/80 typ e s hall not come off pc board nr1 0 050 type ns12555, ns12565, ns12575type test method and remarks nr30 /40/50/60/80, nrv 3 0, nrh24/30, nrs40/50/60/80 type, ns12555, ns12565, ns12575 type : the test samples shall be soldered to the test board by the re?ow. ? app l ied force : 10 n t o x and y directions. ? duration : 5s . ? s older cream thickness : 0.15mm. 10n, 5s nr10050 type : ? applied force : 5n to x and y directions. ? dura tion : 5s. 9. insulation resistance : between wires nr30/40/50/60/80, nrv30, nrh24/30, nrs40/50/60/80 typ e n r10050 type ns12555, ns12565, ns12575type 10. insulation resistance : between wire and core nr30/40/50/60/80, nrv30, nrh24/30, nrs40/50/60/80 typ e n r10050 type ns12555, ns12565, ns12575type 11. withstanding voltage : between wire and core nr30/40/50/60/80, nrv30, nrh24/30, nrs40/50/60/80 typ e n r10050 type ns12555, ns12565, ns12575type 13. resistance to vibration nr30/40/50/60/80, nrv30, nrh24/30, nrs40/50/60/80 typ e i nductance cha n ge : within 10% no signi?cant abnormality in appearance. nr1 0 050 type ns12555, ns12565, ns12575type test method and remarks nr30/40/50/60/80, nrv 3 0, nrh24/30, nrs40/50/60/80 type, nr10050 type, ns12555, ns12565, ns12575type : the test samples shall be soldered to the test board by the re?ow. th e n it shall be submitted to below test conditions. frequency range 10 55hz total amplitude 1.5mm (may not exceed acceleration 196m/s 2 ) sweeping method 10hz to 55hz to 10hz for 1min. time x for 2 hours on each x, y, and z axis. y z recovery : at least 2hrs of recovery under the standard condition after the test, followed by the measurement within 48hrs. 15. resistance to soldering heat nr30/40/50/60/80, nrv30, nrh24/30, nrs40/50/60/80 typ e i nductance cha n ge : within 10% no signi?cant abnormality in appearance. nr1 0 050 type ns12555, ns12565, ns12575type test method and remarks nr30/40/50/60/80, nrv 3 0, nrh24/30, nrs40/50/60/80 type, nr10050 type, ns12555, ns12565, ns12575 type : the test sample shall be exposed to re?ow oven at 230 5 fo r 4 0 seconds, with peak temperature at 260 5 for 5 seconds, 2 times. nr6020 type : th e t est sample shall be exposed to re?ow oven at 230 5 fo r 4 0 seconds, with peak temperature at 250 5 ` 0 for 5 seconds, 2 times. test board thickness : 1.0mm nr 3 0/40/50/60/80, nrv30, nrh24/30, nrs40/50/60/80 type, ns12555, ns12565, ns12575 type 1.6mm nr 1 0050 type test board material : glass epoxy-resin 14. solderability nr30/40/50/60/80, nrv30, nrh24/30, nrs40/50/60/80 typ e a t least 90 of s u rface of terminal electrode is covered by new solder. nr10050 type ns12555, ns12565, ns12575type test method and remarks the test samples shall be dipped in ?ux, and then immersed in molten solder as shown in below table. fl u x : methanol solution containing rosin 25%. nr3 0 /40/50/60/80, nrv3 0, nrh24/30, nrs40/50/60/80 type, ns12555, ns12565, ns12575 type : solder temperature 245 5 time 5 1.0 sec. immersion depth : all sides of mounting terminal shall be immersed. wound chip power inductor nr, ns-series
wound0407_reli-rp3 wound0407_reli_e-01 reliability data this catalog contains the typical speci?cation only due to the limitation of space. when you consider the purchase of our products, please check our speci?cation. for details of each product (characteristics graph, reliability information, precautions for use, and so on), see our web site (http://www.ty-top.com/) or cd catalogs. 16. thermal shock nr30/40/50/60/80, nrv30, nrh24/30, nrs40/50/60/80 typ e i nductance cha n ge : within 10% no signi?cant abnormality in appearance. nr1 0 050 type ns12555, ns12565, ns12575type test method and remarks nr30/40/50/60/80, nrv 3 0, nrh24/30, nrs40/50/60/80 type, nr10050 type , ns12555, ns12565, ns12575type : the test samples shall be soldered to the test board by the re?ow. the test samples shall be placed at speci?ed temperature for speci?ed time by step 1 to step 4 as shown in be l ow table in sequence. the temperature cycle shall be repeated 100 cycles. conditions of 1 cycle step temperature ( ) duration (min) 1 ` 40 3 30 3 2 room temperature within 3 3 85 2 30 3 4 room temperature within 3 17. damp heat nr30/40/50/60/80, nrv30, nrh24/30, nrs40/50/60/80 typ e i nductance cha n ge : within 10% no signi?cant abnormality in appearance. nr1 0 050 type ns12555, ns12565, ns12575type inductance change : within 10% no signi?cant abnormality in appearance. tes t m ethod and remarks nr3 0 /40/50/60/80, nrv 3 0, nrh24/30, nrs40/50/60/80 type, ns12555, ns12565, ns12575type : the test samples shall be soldered to the test board by the re?ow. th e t est samples shall be placed in thermostatic oven set at speci?ed temperature and humidity as shown in below table. temperature 60 2 humidity 90 95%rh time 500 24/ 0 hour 20. high temperature life test nr30/40/50/60/80, nrv30, nrh24/30, nrs40/50/60/80 typ e n r10050 type ind u ctance cha n ge : within 10% no signi?cant abnormality in appearance. ns12555, ns12565, ns12575type test method and remarks nr10050 type : temperature 105 3 time 500 24/ 0 hour recovery : at least 2hrs of recovery under the standard condition after the test, followed by the measurement within 48 hrs. 21. loading at high temperature life test nr30/40/50/60/80, nrv30, nrh24/30, nrs40/50/60/80 typ e i nductance cha n ge : within 10% no signi?cant abnormality in appearance. nr1 0 050 type ns12555, ns12565, ns12575type inductance change : within 10% no signi?cant abnormality in appearance. tes t m ethod and remarks nr3 0 /40/50/60/80, nrv 3 0, nrh24/30, nrs40/50/60/80 type, ns12555, ns12565, ns12575type : the test samples shall be soldered to the test board by the re?ow soldering. temperature 85 2 applied current rated current time 500 24/ 0 hour 19. low temperature life test nr30/40/50/60/80, nrv30, nrh24/30, nrs40/50/60/80 typ e i nductance cha n ge : within 10% no signi?cant abnormality in appearance. nr1 0 050 type ns12555, ns12565, ns12575type test method and remarks nr30/40/50/60/80, nrv 3 0, nrh24/30, nrs40/50/60/80 type , nr10050 type, ns12555, ns12565, ns12575type : the test samples shall be soldered to the test board by the re?ow. af t er that, the test samples shall be placed at test conditions as shown in below table. temperature 40 2 time 500 24/ 0 hour 18. loading under damp heat nr30/40/50/60/80, nrv30, nrh24/30, nrs40/50/60/80 typ e i nductance cha n ge : within 10% no signi?cant abnormality in appearance. nr1 0 050 type ns12555, ns12565, ns12575type test method and remarks nr30/40/50/60/80, nrv 3 0, nrh24/30, nrs40/50/60/80 type , nr10050 type , ns12555, ns12565, ns12575type : the test samples shall be soldered to the test board by the re?ow. th e t est samples shall be placed in thermostatic oven set at speci?ed temperature and humidity and applied the rated current continuously as shown in below table. temperature 60 2 humidity 90 95 rh applied current rated current time 500 24/ 0 hour wound chip power inductor nr, ns-series
wound0407_reli-rp4 wound0407_reli_e-01 reliability data this catalog contains the typical speci?cation only due to the limitation of space. when you consider the purchase of our products, please check our speci?cation. for details of each product (characteristics graph, reliability information, precautions for use, and so on), see our web site (http://www.ty-top.com/) or cd catalogs. 22. standard condition nr30/40/50/60/80, nrv30, nrh24/30, nrs40/50/60/80 typ e s tandard test condition : un l ess otherwise speci?ed, temperature is 20 15 a n d 65 20 of relative humidity. when there is any question concerning measurement result: in order to provide correlation data, the test shall be condition of 20 2 of t e mperature, 65 5% re l ative humidity. inductance is in a c cordance with our measured value. nr10050 type ns12555, ns12565, ns12575type wound chip power inductor nr, ns-series
wound0407_reli-rp5 wound0407_reli_e-01 precautions this catalog contains the typical speci?cation only due to the limitation of space. when you consider the purchase of our products, please check our speci?cation. for details of each product (characteristics graph, reliability information, precautions for use, and so on), see our web site (http://www.ty-top.com/) or cd catalogs. 1. circuit design precautions operating envi ronment 1. the products described in this speci?cation are intended for use in general electronic equipment,(of?ce supply equipment, telecommunications systems, mea s uring equipment, and household equipment). they are not intended for use in mission-critical equipment or systems requiring special quality and high rel i ability (traf?c systems, safety equipment, aerospace systems, nuclear control systems and medical equipment including life-support systems,) where pro d uct failure might result in loss of life, injury or damage. for such uses, contact taiyo yuden sales department in advance. 2. pcb design precautions land pattern design 1. p lease refer to a recommended land pattern. tec h nical con s ider - ations land pattern design su r face mounting ? mo u nting and s o ldering conditions should be checked beforehand. ? applicable sol d ering process to this products is re?ow soldering only. 3. considerations for automatic placement precautions adjustment of mo u nting machine 1. excessive impact load should not be imposed on the products when mounting onto the pc boards. 2. m ounting and soldering conditions should be checked beforehand. tec h nical con s ider - ations adjustment of mo u nting machine 1. when installing products, care should be taken not to apply distortion stress as it may deform the products. 4. soldering precautions re?ow soldering 1. p lease contact any of our of?ces for a re?ow soldering, and refer to the recommended condition speci?ed. 2. t he product shall be used re?ow soldering only. 3. p lease do not add any stress to a product until it returns in normal temperature after re?ow soldering. lea d f ree soldering 1. w hen using products with lead free soldering, we request to use them after con?rming adhesion, temperature of resistance to soldering heat, soldering etc suf ? ciently. recommended cond itions for using a soldering iron (nr10050 type) ? put the soldering iron on the land-pattern. ? so l dering iro n 's temperature - below 350 ? duration - 3 sec o nds or less ? the soldering iron should not directly touch the inductor. tec h nical con s ider - ations re?ow soldering 1. if products are used beyond the range of the recommended conditions, heat stresses may deform the products, and consequently degrade the reliability of the products. ? nr30/40/50/60/80, nrv30, nrh24/30, nrs40/50/60/80 type, nr10050, ns12555, ns12565, ns12575 type recommended re? o w condition (pb free solder) 5sec max temperature |? 300 200 100 0 90 ? 30sec 150 ? 180 30 ? 10sec 230? min peak 250 5/ ? 0? eating time 2 sec 3 5. cleaning precautions cleaning con d itions 1. washing by supersonic waves shall be avoided. tec h nical con s ider - ations cleaning con d itions 1. if washed by supersonic waves, the products might be broken. 6. handling precautions handling 1. keep the product away from all magnets and magnetic objects. bre a kaway pc bo a rds (splitting along perforations) 1. when splitting the pc board after mounting product, care should be taken not to give any stresses of de?ection or twisting to the board. 2. b oard separation should not be done manually, but by using the appropriate devices. mec h anical con s iderations 1. please do not give the product any excessive mechanical shocks. 2. p lease do not add any shock and power to a product in transportation. pic k -up pressure 1. p lease do not push to add any pressure to a winding part. please do not give any shock and push into a ferrite core exposure part. pac k ing 1. please avoid accumulation of a packing box as much as possible. tech nical cons ider - ations breakaway pc bo a rds (splitting along perforations) 1. the position of the product on pcbs shall be carefully considereed to minimize the stress caused from splitting of the pcbs. mec h anical con s iderations 1. there is a case to be damaged by a mechanical shock. 2. t here is a case to be broken by the handling in transportation. pic k -up pressure 1. d amage and a characteristic can vary with an excessive shock or stress. pac k ing 1. if packing boxes are accumulated, that could cause a deformation on packing tapes or a damage on the products. 7. storage conditions precautions storage 1. to maintain the solderability of terminal electrodes and to keep the packing material in good condition, temperature and humidity in the storage area should be con trolled. ? r e commended con d itions ambient tem p erature : 5 40 humidity : be l ow 70% rh the ambient temperature must be kept below 30 . ev e n under ideal storage conditions, solderability of products electrodes may decrease as time passes. for this reason, product should be used within 6 months from the time of delivery. i n c ase of storage over 6 months, solderability shall be checked before actual usage. tec h nical con s ider - ations storage 1. under a high temperature and humidity environment, problems such as reduced solderability caused by oxidation of terminal electrodes and deterioration of tap i ng/packaging materials may take place. wound chip power inductor nr, ns-series
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