ss-225 bolivar drive n p.o. box 547 n bradford, pa 16701 n usa n 814-362-5536 n fax 814-362-8883 n www.koaspeer.com page 1 of 8 chip air-core inductors type kq 0402 1. scope of application this specification applies to chip inductors kq series produced by koa corporation. item specification nominal inductance range 1.0 nh ~ 47 nh nominal inductance tolerance q (quality factor) self-resonant frequency (mhz) the rating shall be shown in the table-1 dc resistance (ohm) allowable current (ma) measurement frequency (mhz) storage temperature range -40c ~ +100c operating temperature range -40c ~ +125c kq 0402 td 1n0 j type component size packaging nominal inductance tolerance winding 1.10 x .055 x .055 in. td: paper carrier 1n0----1.0 nh j:5% form 27.9 x 14.0 x 14.0 mm no designation: bulk 40n----40 nh k:10% 2. type designation type designation shall be as the following form. 3. rating koa speer electronics, inc. certified
: t oler ance char acter (j ,k) bolivar drive n p.o. box 547 n bradford, pa 16701 n usa n 814-362-5536 n fax 814-362-8883 n www.koaspeer.com page 2 of 8 ss-225 or dering code* kq0402td1n0 kq0402td2n0 kq0402td2n2 kq0402td3n3 kq0402td3n6 kq0402td3n9 kq0402td5n1 kq0402td5n6 kq0402td6n2 kq0402td7n5 kq0402td8n2 kq0402td9n0 kq0402td10n kq0402td11n kq0402td12n kq0402td15n kq0402td19n kq0402td23n kq0402td27n kq0402td36n kq0402td40n kq0402td47n 1.0 nh 2.0 nh 2.2 nh 3.3 nh 3.6 nh 3.9 nh 5.1 nh 5.6 nh 6.2 nh 7.5 nh 8.2 nh 9.0 nh 10 nh 11 nh 12 nh 15 nh 19 nh 23 nh 27 nh 36 nh 40 nh 47 nh j ( 5%) k ( 10%) 16 16 19 19 19 19 20 20 20 22 22 22 21 24 24 24 24 24 24 24 24 20 6000 6000 6000 6000 6000 5800 5800 5800 5800 5800 4400 4160 3900 3680 3600 3280 3040 2720 2480 2320 2240 2100 0.045 0.070 0.070 0.066 0.066 0.066 0.083 0.083 0.083 0.104 0.104 0.104 0.195 0.120 0.120 0.172 0.202 0.214 0.298 0.560 0.620 0.830 1360 1040 960 840 840 840 800 760 760 680 680 680 480 640 640 560 480 400 400 320 320 150 250 t ab le-1 inductance inductance t olerance (%) quality f actor min. self- resonant frequenc y min. (mhz) dc resistance max. ( ) allo wab le dc current max. (ma) measuring frequenc y (mhz) koa speer electronics, inc.
7. t est conditions unless otherwise specified, the test shall be perf or med at the temper ature of 20 15 c and at a relativ e humidity of 65 20%. re v erse test conditions shall be perf or med at the temper ature of 20 2 c and at a relativ e humidity of 65 5%. 6. measurement method nominal inductance measuring rang e t est equipment fixture setup frequenc y 1.0 nh to 47 nh 4291a rf impedance 16193a e.l = 1.4 cm listed analyz er (hp) t est fixture osc = 500 mv t ab le-1 ss-225 bolivar drive n p.o. box 547 n bradford, pa 16701 n usa n 814-362-5536 n fax 814-362-8883 n www.koaspeer.com page 3 of 8 4. dimensions 5. construction koa speer electronics, inc. acr ylic acid resin cer amic core electrode (ag/pd+ni+sn/pb) magnet wire 0.10 (0.25 0.10) 0.021 (0.54) 0.04 (1.10 0.10) 0.022 (0.55 0.10) 0.020 (0.50 0.03) 0.022 (0.55 0.10) 0.006 (0.15 0.10) 0.10 (0.25 0.10) dimensions in inches (mm)
ss-225 bolivar drive n p.o. box 547 n bradford, pa 16701 n usa n 814-362-5536 n fax 814-362-8883 n www.koaspeer.com page 4 of 8 8. reliability t ests item requirement t est methods dielectr ic withstanding no e vidence of flaming, 5 seconds at a c 500 v applied v oltage fuming, or breakdo wn betw een both ter minals and the f ace center on the product. insulation resistance 1000m and o v er 1 min ute at dc 100 v measured betw een both ter minals and the f ace center on the product. flammability withstands needle-flame test. iec 695-2-2 electrostatics no e vidence of damage add 1000 v on condition that discharge sensitivity ? l/l within 5% 100pf , 1.5k ? q/q within 10% 8-1 electrical characteristics item requirement t est methods t er minal pull strength no e vidence of damage t er minals shall withstand a pull of destr uction strength 5n & o v er 5n in a hor iz ontal direction. t er minal bending no e vidence of breakdo wn specimen shall be soldered on strength bend test board and f orce applied to the opposite side to cause a 3 +0.2/-0 mm deflection. vibr ation ? l/l within 5% 2 hours in each direction of x, y , z, ? q/q within 10% on pcb at a frequency r ange of 10-55-10hz with 1.5 mm amplitude . dropping no e vidence of damage dropping 1 m on the g round of ? l/l within 5% concrete 1 time . ? q/q within 10% resistance to no e vidence of damage immerse in the solder at 260 5 c solder ing heat ? l/l within 5% f or 10 1 seconds . ? q/q within 10% solder ability 95% of the ter minal should immerse in the solder at 230 5 c be co v ered with ne w solder f or 3 0.5 seconds . (but the area of the w elding contacts should not be included in judgment.) 8-2 mec hanical characteristics koa speer electronics, inc.
bolivar drive n p.o. box 547 n bradford, pa 16701 n usa n 814-362-5536 n fax 814-362-8883 n www.koaspeer.com page 5 of 8 ss-225 item requirement t est methods lo w temper ature no e vidence of damage store at -40 2 c , f or 1000 hours stor age ? l/l within 5% ? q/q within 10% high temper ature no e vidence of damage store at +125 2 c , f or 1000 hours stor age ? l/l within 5% ? q/q within 10% moisture endur ance no e vidence of damage store at +60 2 c , 90 ~ 95% rh ? l/l within 5% f or 1000 hours ? q/q within 10% load lif e no e vidence of damage biased to full r ated current at ? l/l within 5% +125 2 c f or 1000 hours ? q/q within 10% high temper ature no e vidence of damage biased to 10% r ated current at high humidity ? l/l within 5% +85 2 c , 85% rh f or 1000 hours ? q/q within 10% ther mal shoc k no e vidence of damage 100 cycles betw een ? l/l within 5% -40 c/1 hour and +125 c/1 hour ? q/q within 10% t emper ature ? l/l within 5% ? l/l to be measured at the char acter istics temper ature of betw een -40 c and +125 c as based on the inductance at 20 c 8-3 en vir onmental characteristics koa speer electronics, inc. item requirement t est methods resistance to no e vidence of damage accordance with mil-std-202f solv ent method 215 8-2 mec hanical characteristics unless otherwise specified, measurements shall be perf or med within 2 hours after lea ving test samples f or more than one hour at the nor mal temper ature and at the nor mal humidity .
ss-225 bolivar drive n p.o. box 547 n bradford, pa 16701 n usa n 814-362-5536 n fax 814-362-8883 n www.koaspeer.com page 6 of 8 (1) dimensions of carr ier t ape 9. p ac ka ging 9-1 bulk pac ka ging (1) 200 piece chip inductors are pac k ed in a poly bag. (2) inner bo x indicates t ype (kq 0402), nominal inductance , t oler ance , quantity , production lot n umber , man uf acturer s name or t r ademar k. 9-2 t aping the tapes f or taping shall be paper carr ier tapes of .315" (8 mm) width and .157" (4 mm) pitches . the standard quantity per reel is 2,000 pieces . koa speer electronics, inc. 0.024 (0.60 0.05) 0.157 (4.0 0.10) ? 1.5 +0.1 -0 0.157 (4.0 0.10) 0.079 (2.0 0.05) 0.069 (1.75 0.1) 0.048 (1.22 0.05) 0.029 (0.73 0.05) 0.138 (3.5 0.05) 0.315 (8.0 0.2) dimensions in inches (mm) 20 pitches accumulation of feeding holes shall be 3.150" (80 0.15mm). top tape peeling strength: 0.1n ~ 0.7n (it pulls it and a direction angle 165 ~ 180 , speed 300mm/min.)
ss-225 bolivar drive n p.o. box 547 n bradford, pa 16701 n usa n 814-362-5536 n fax 814-362-8883 n www.koaspeer.com page 7 of 8 (2) t aped configur ations (conf or ming to eia-481 standard) (3) reel dimensions and indication the f ollo wing items shall be indicated on the reel. ? t ype (kq 0402) ? nominal inductance and toler ance ? quantity ? production lot n umber ? man uf acturer s name or tr ade mar k koa speer electronics, inc. empty space chip mounting space empty space leader space end beginning 6.299 min. (160) 9.055 min. (230) 6.690 min. (170) dr a wing out direction 7.087 (180 3 0 ) 2.362 (60 1.0) 0.354 (9.0 0.3) 0.449 (11.4 1.0) dimensions in inches (mm) dimensions in inches (mm) 0.079 (2.0 0.5) 0.512 (13 0.2) 0.827 (21.0 0.8)
ss-225 bolivar drive n p.o. box 547 n bradford, pa 16701 n usa n 814-362-5536 n fax 814-362-8883 n www.koaspeer.com aha 01/01 notice: the information contained in this spec sheet is believed to be accurate and up-to-date. koa speer electronics reserves this rig ht to change these specifications without notice. page 8 of 8 10. general inf ormation (1) stora g e store chip inductors indoors without dr astic temper ature changes , a w a y from direct sun r a ys , high temper ature/humidity , magnetic field, vibr ation, dust and corrosiv e gas (sulfide , chlor ine , acid) that ma y deter ior ate solder ability and taping strength. (2) mounting when mounting, do not giv e e xcessiv e shoc k or strong f orce to inductors as the y ma y aff ect magnetic char acter istics of inductors . (3) soldering reflo w solder ing should be done at 240 c f or less than 30 seconds . when using a solder ing iron, temper ature shall not e xceed 350 c and within 3 seconds . solder ing iron time of each electrode shall be allo w ed only one time . after solder ing, chip inductors shall not be stressed e xcessiv ely . (4) cleaning it is no prob lem to use organic solv ents . since this chip inductor is a coil of ultr a- fine wire , it is susceptib le to vibr ation. if an ultr asonic cleaning unit is used f or cleaning, chec k f or an y possibility of prob lem gener a- tion bef ore pr actical use since such cleaning units consider ab ly diff er in vibr ation le v el and mode . although the conditions diff er depending on the pr inted board siz e , ultr asonic cleaning is gener ally used in the conditions descr ibed belo w as e xamples . p o w er : within 20 w/l cleaning times: within 5 min utes (5) about the handling of the par t pre v ention of char acter istic change , pre v ention, of breaking of wire , do not touch the magnet wire of the coil with the shar p end of tw eez ers etc. (6) p attern design the land patter n is recommended as f ollo ws . koa speer electronics, inc. inductor 0.018 (0.46) 0.046 (1.18) 0.014 (0.36) 0.026 (0.66) solder resist dimensions in inches (mm)
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