(a) (c) (b) (e) (d) 1. part no. expression : (b) dimension code (c) inductance code : 1r0 = 1.00uh (a) series code 2. configuration & dimensions : 4. materials : superworld electronics (s) pte ltd (a) core : dr ferrite core (c) terminal : tinned copper plate (d) capsulate : epoxy novolac molding compound 3. schematic : (d) tolerance code : (e) f : lead free HWI252018 series molded wirewound chip inductors pg. 1 note : specifications subject to change without notice. please check our website for latest information. 10.03.2011 pcb pattern 2.00.2 1.80.2 2.50.3 d a (b) wire : enamelled copper wire unit:m/m 1.40.1 1.5 ref. 1.5 ref. 1.0 ref. b 0.40.1 3r3 e c f b a e abc efghi c i g i h d h w i 2 5 2 0 1 8 - 1 r 0 k f - (f) internal control number j = 5%, k = 10%, m = 20% 2.20.2 d (f)
superworld electronics (s) pte ltd d) operating temp. : -40c to +125c c) storage temp. : -40c to +125c b) ambient temp. : 100c max. a) temp. rise : 20c max. HWI252018 series note : specifications subject to change without notice. please check our website for latest information. pg. 2 10.03.2011 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 6. recommended reflow soldering profile : time ( t ) within 5c of the l liquidous temperature ( t ) s time ( t to t ) ( t ) smax temperature max. ( t ) temperature min. ( t ) average ramp-down rate temperature time 25c to peak smax ( t to t ) p p temperature ( t ) specified classification c temperature ( t ) peak package body p time at liquidous ( t ) l average ramp-up rate ( t to t ) smin smax p smax preheat & soak smin profile feature 6 minutes max. 6c/second max. 8 minutes max. 6c/second max. 10 seconds max 230c 10 seconds max 250c 60~120 seconds 60~120 seconds 60~150 seconds 183c 3c/second max. 60~150 seconds 217c 3c/second max. 150c 100c sn-pb eutectic assembly 150c 200c pb-free assembly
HWI252018 series note : specifications subject to change without notice. please check our website for latest information. superworld electronics (s) pte ltd pg. 3 10.03.2011 7. electrical characteristics : molded wirewound chip inductors 390 285 210 275 160 120 175 340 idc ( ma ) max. 475 435 max. ( h ) ( mhz ) min. min. HWI252018-2r2 f- HWI252018-150 f- HWI252018-330 f- HWI252018-220 f- HWI252018-100 f- HWI252018-6r8 f- HWI252018-4r7 f- HWI252018-3r3 f- inductance tolerance : HWI252018-1r5 f- HWI252018-1r0 f- j : 5% k : 10%, m : 20% 20 10.00 22.00 33.00 15.00 25 25 25 2.20 6.80 4.70 3.30 1.50 1.00 20 20 20 20 20 20 1.69 30 2.52 2.52 2.52 2.52 16 18 21 3.00 5.50 2.40 75 7.96 7.96 7.96 7.96 43 39 55 7.96 7.96 170 90 0.50 1.04 1.25 0.85 0.34 0.42 part no. test frequency inductance q ( mhz ) srf (
) rdc
superworld electronics (s) pte ltd HWI252018 series note : specifications subject to change without notice. please check our website for latest information. pg. 4 10.03.2011 n g a ( 2 ) dimensions 210.8 a 178 b 13 c ( 1 ) configuration t b unit:m/m * carrier tape width : d 8 d +0 g 10 50 n -0 12.5 t embossed carrier d cover tape ?c 2.00.5 ?c 8. packaging information : molded wirewound chip inductors 1r0 p:4 m/m 1r0 1r0 4 m/m 1r0 1r0 1r0 1r0 1r0 1r0 1r0 1r0 ( 3 ) q'ty & g.w. per package packing : 2000pcs/reel
superworld electronics (s) pte ltd HWI252018 series 9. reliabilty test : note : specifications subject to change without notice. please check our website for latest information. pg. 5 10.03.2011 molded wirewound chip inductors 5 minutes 10 minutes surface thermometer not be more than 20c and coating 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 5 minutes 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 hp4194a, hpe 4991a, hp4285a 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
superworld electronics (s) pte ltd note : specifications subject to change without notice. please check our website for latest information. pg. 6 10.03.2011 HWI252018 series 9. reliabilty test : molded wirewound chip inductors after fluxing, inductor shall be di pped in the terminal shall climatic test humidity load life high temperature solderability test 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. terminals in the axis direction for a 0.5kg load shall be applied to both terminal shall not be loosened or ruptured or more but more than 2 hours, measure the electrical and mechanical performances unless otherwise specified, allow the specimen to stand at room temperature for 1 hour note :
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