(a) (c) (b) (e) (d) 1. part no. expression : (b) dimension code (c) inductance code : r22 = 0.12uh (a) series code 2. configuration & dimensions : 4. materials : superworld electronics (s) pte ltd (a) core : dr ferrite core (c) terminal : tinned copper flat (d) capsulate : epoxy novolac molding compound 3. schematic : (d) tolerance code : j = 5%, k = 10%, m = 20% (e) f : rohs compliant wi252018 series molded wirewound chip inductors pg. 1 note : specifications subject to change without notice. please check our website for latest information. 09.03.2011 pcb pattern 2.00.2 1.80.2 2.50.2 d a (b) wire : enamelled copper wire unit:m/m 1.20.2 1.5 ref. 1.5 ref. 1.0 ref. b 0.50.3 r22 e c b e a abc efgh i c i g i h w i 2 5 2 0 1 8 - r 2 2 k f - (f) (f) 11 ~ 99 : internal controlled number f 2.20.2 d d
superworld electronics (s) pte ltd 6. recommended reflow soldering profile : d) operating temp. : -40c to +125c c) storage temp. : -40c to +125c b) ambient temp. : 100c max. a) temp. rise : 20c max. wi252018 series note : specifications subject to change without notice. please check our website for latest information. pg. 2 09.03.2011 e) terminal strength : 0.5kg min. 5. general specification : h) resistance to solvent : per mil-std-202f g) resistance to solder heat : 260c for 10secs f) rated current : current cause inductance drop within 10% molded wirewound chip inductors profile feature preheat & soak temperature min. ( t ) smin temperature max. ( t ) smax time ( t to t ) ( t ) smin smax s sn-pb eutectic assembly 100c 150c 60~120 seconds 60~120 seconds 200c 150c pb-free assembly ( t to t ) average ramp-up rate p smax 3c/second max. 3c/second max. time at liquidous ( t ) liquidous temperature ( t ) l 183c 217c l 60~150 seconds 60~150 seconds peak package body temperature ( t ) p 230c 250c specified classification time ( t ) within 5c of the p 10 seconds max 10 seconds max temperature ( t ) c average ramp-down rate 6c/second max. 6c/second max. ( t to t ) smax p temperature time 25c to peak 6 minutes max. 8 minutes max.
wi252018 series note : specifications subject to change without notice. please check our website for latest information. superworld electronics (s) pte ltd pg. 3 09.03.2011 7. electrical characteristics : (
) ( ma ) ( mhz ) q frequency inductance wi252018-r22 f- wi252018-r27 f- wi252018-r47 f- wi252018-r39 f- wi252018-r33 f- wi252018-r56 f- wi252018-1r0 f- wi252018-r82 f- wi252018-r68 f- wi252018-1r2 f- wi252018-1r8 f- wi252018-2r7 f- wi252018-180 f- wi252018-470 f- wi252018-220 f- wi252018-270 f- wi252018-390 f- wi252018-330 f- wi252018-6r8 f- wi252018-150 f- wi252018-120 f- wi252018-8r2 f- wi252018-100 f- wi252018-5r6 f- wi252018-4r7 f- wi252018-3r9 f- wi252018-3r3 f- wi252018-560 f- wi252018-680 f- wi252018-1r5 f- wi252018-101 f- wi252018-820 f- part no. 48 7.96 30 1.90 185 3.30 0.796 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 7.96 7.96 7.96 7.96 7.96 25 22.00 56.00 82.00 100.00 68.00 33.00 39.00 47.00 27.00 20 15 20 20 20 25 25 20 8.20 12.00 15.00 18.00 10.00 6.80 3.90 4.70 5.60 25 25 25 25 25 25 25 30 30 17 5.50 130 12 10 9 11 16 14 13 15 12.1 75 16.6 21.0 19.0 70 60 66 6.30 11.0 9.50 7.10 115 90 110 30 27 23 20 18 43 40 33 36 3.05 160 4.40 4.80 3.80 3.50 140 120 155 150 2.30 2.50 2.70 2.10 175 170 165 180 7.96 7.96 7.96 7.96 ( mhz ) 25.2 25.2 25.2 25.2 25.2 25.2 25.2 25.2 7.96 0.56 1.20 1.80 2.70 1.50 0.68 0.82 1.00 30 30 30 30 30 0.22 0.27 0.33 0.47 0.39 ( h ) 25 min. 325 0.75 100 90 85 55 135 125 115 150 1.20 230 1.70 1.30 1.45 195 220 210 0.85 1.00 1.10 300 260 245 230 175 210 190 160 min. 430 0.50 0.55 0.65 0.60 0.68 350 375 400 420 max. max. test srf rdc idc inductance tolerance : j : 5% molded wirewound chip inductors k : 10% m : 20% 125 wi252018-2r2 f- 30 2.20 1.55 7.96 75 25 25 25 25 25 25 25 200
superworld electronics (s) pte ltd wi252018 series note : specifications subject to change without notice. please check our website for latest information. pg. 4 09.03.2011 packing : 2000pcs/reel ( 3 ) q'ty & g.w. per package n 4 m/m g a ( 2 ) dimensions 210.8 a 178 r22 b 13 c r22 r22 r22 p:4m/m ( 1 ) configuration t b unit:m/m * carrier tape width : d 8 d +0 g 10 r22 r22 r22 50 n -0 12.5 t r22 embossed carrier d cover tape ?c 2.00.5 ?c 8. packaging information : molded wirewound chip inductors
superworld electronics (s) pte ltd wi252018 series 9. reliabilty test : note : specifications subject to change without notice. please check our website for latest information. pg. 5 09.03.2011 5 minutes 10 minutes surface thermometer not be more than 20c and case temp :2605c 3. direction :x, y, z 4. duration :2 hrs / x, y, z time :101.0 sec 1. amplitude :1.5 m/m 1. applied the allowed dc current for impedance analyzer : hp4194a, hpe4991a inductance change sh all be less than 10% to initial value & temperature rise shall current to inductor for a period of inductors terminal and case for 1 minute ac voltage of 1000vac applied between 100 vdc applied between inductor terminal inductors shall be dropped 10 times from a height of 1m onto 3cm wooden board 2. ffrequency :10 -- 55 -- 10 hz / 1min applied the current to coils, the 2. temperature measure by digital applied 2 times of rated allowed dc test condition / test method q-meter : hp4342a, hp4194a, hpe4991a wheatstone bridge : yew-2755 digital mulitmeter : 502bc q after test, inductors of electrical and 2. inductance shall 1000 mohm min. mechanical damage 3. q shall not change 1. inductors shall be shall be no evidence mechanical performance test vibration test ( low frequency ) resistance to soldering heat shock test insulation resistance test withstanding voltage test no evidence of not change more electrical and more than 20% mechanical damage than 5% mechanical damage characteristic list 20c max of electrical and electrical refer to standard after test, inductors shall be no evidence rise test over load test temperature rated current idc dc resistance rdc self resonance frequency srf electrical performance test inductance l test item specification molded wirewound chip inductors
superworld electronics (s) pte ltd note : specifications subject to change without notice. please check our website for latest information. pg. 6 09.03.2011 wi252018 series unless otherwise specified, a llow the specimen to stand at room temperature for 1 hour or more but more than 2 hours, measure the electrical and mechanical performances after fluxing, inductor shall be di pped in the terminal shall climatic test humidity load life high temperature solderability test note : load life test dry heat test thermal shock test cold test humidity test temperature characteristic resistance to solvent test -402c room temp 3. q shall not 2. r.h. :90 ----- 95% 1. temp :402c 1. temp :852c 2. time :962 hours 1. temp :852c total :5 cycles 4. load :allowed dc current 3. time :100012 hours 3. load :allowed dc current 2. time :100012 hours evidence of short or there shall be no open circuiting change more than 20% 15 mins 15 mins room temp 30 mins 30 mins +1252c 1. temp :-252c 2. time :962 hours -40c ----- +125c 3. time :962 hours 2. r.h. :90 ----- 95% 1. temp :402c 5 seconds. mil-std-202f, method 215d a melted solder bath at 2405c for not change more 2. inductance shall 1. inductors shall be no evidence of electrical and mechanical than 10% damage appearance or obliteration of covered with solder there shall be no case deformation be at least 90% change in marking terminal strength-pull test 1 minute. ( 0.5kg for wi252018 series ) terminals in the axis direction for a 1kg load shall be applied to both terminal shall not be loosened or ruptured 9. reliabilty test : molded wirewound chip inductors
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