http://www.murata.com/ data sheet ! note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it?s specifications are subject t o change or our products in it may be discontinued without advance notice. please check with our sales representatives or product engineers bef ore ordering. 2. this datasheet has only typical specifications because there is no space for detailed specifications. therefore, please appr ove our product specifications or transact the approval sheet for product specifications before ordering. 1 o this data sheet is applied for chip inductors (chip coils) used for general electronics equipment for your design. 2009.7.2 inductors(coils)/microchip transformer > chip inductor (chip coil) > for choke large current type 4.7 0.3 5.0 0.3 5.0 0.3 5.7 0.3 1.7 min. 1.3 min. 1.3 min. (in mm) chip inductor (chip coil) for choke large current type lqh55d series (2220 size) dimensions packaging code packaging minimum quantity l 180mm embossed tape 350 k 330mm embossed tape 1500 rated value ( p : packaging code) part number inductance test frequency rated current dc resistance self resonance frequency (min.) class of magnetic shield lqh55dnr12m03 p 0.12 h 20% 1mhz 6000ma 0.0098ohm 0.007ohm 40% 450mhz no magnetic shield lqh55dnr27m03 p 0.27 h 20% 1mhz 5300ma 0.014ohm 0.010ohm 40% 300mhz no magnetic shield lqh55dnr47m03 p 0.47 h 20% 1mhz 4800ma 0.0182ohm 0.013ohm 40% 200mhz no magnetic shield lqh55dn1r0m03 p 1.0 h 20% 1mhz 4000ma 0.0266ohm 0.019ohm 40% 150mhz no magnetic shield lqh55dn1r5m03 p 1.5 h 20% 1mhz 3700ma 0.0308ohm 0.022ohm 40% 110mhz no magnetic shield lqh55dn2r2m03 p 2.2 h 20% 1mhz 3200ma 0.0406ohm 0.029ohm 40% 80mhz no magnetic shield lqh55dn3r3m03 p 3.3 h 20% 1mhz 2900ma 0.0504ohm 0.036ohm 40% 40mhz no magnetic shield lqh55dn4r7m03 p 4.7 h 20% 1mhz 2700ma 0.0574ohm 0.041ohm 40% 30mhz no magnetic shield lqh55dn6r8m03 p 6.8 h 20% 1mhz 2000ma 0.1036ohm 0.074ohm 40% 25mhz no magnetic shield lqh55dn100m03 p 10 h 20% 1mhz 1700ma 0.1302ohm 0.093ohm 40% 20mhz no magnetic shield lqh55dn150m03 p 15 h 20% 1mhz 1400ma 0.21ohm 0.15ohm 40% 17mhz no magnetic shield lqh55dn220m03 p 22 h 20% 1mhz 1200ma 0.266ohm 0.19ohm 40% 15mhz no magnetic shield lqh55dn330m03 p 33 h 20% 1mhz 900ma 0.448ohm 0.32ohm 40% 12mhz no magnetic shield lqh55dn470m03 p 47 h 20% 1mhz 800ma 0.56ohm 0.40ohm 40% 10mhz no magnetic shield lqh55dn680m03 p 68 h 20% 1mhz 640ma 0.938ohm 0.67ohm 40% 7.6mhz no magnetic shield lqh55dn101m03 p 100 h 20% 100khz 560ma 1.204ohm 0.86ohm 40% 6.5mhz no magnetic shield lqh55dn151m03 p 150 h 20% 100khz 420ma 2.66ohm 1.9ohm 40% 5.0mhz no magnetic shield lqh55dn221m03 p 220 h 20% 100khz 320ma 3.36ohm 2.4ohm 40% 4.0mhz no magnetic shield lqh55dn331m03 p 330 h 20% 100khz 270ma 6.16ohm 4.4ohm 40% 3.1mhz no magnetic shield lqh55dn471m03 p 470 h 20% 100khz 240ma 7.56ohm 5.4ohm 40% 2.4mhz no magnetic shield lqh55dn681m03 p 680 h 20% 100khz 190ma 11.34ohm 8.1ohm 40% 1.9mhz no magnetic shield lqh55dn102m03 p 1000 h 20% 10khz 150ma 14.42ohm 10.3ohm 40% 1.7mhz no magnetic shield lqh55dn222m03 p 2200 h 20% 10khz 100ma 30.1ohm 21.5ohm 40% 1.2mhz no magnetic shield operating temperature range: -40 to +80 c only for reflow soldering. continued on the following page.
continued from the preceding page. http://www.murata.com/ data sheet ! note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it?s specifications are subject t o change or our products in it may be discontinued without advance notice. please check with our sales representatives or product engineers bef ore ordering. 2. this datasheet has only typical specifications because there is no space for detailed specifications. therefore, please appr ove our product specifications or transact the approval sheet for product specifications before ordering. 2 o this data sheet is applied for chip inductors (chip coils) used for general electronics equipment for your design. 2009.7.2 inductors(coils)/microchip transformer > chip inductor (chip coil) > for choke large current type part number inductance test frequency rated current dc resistance self resonance frequency (min.) class of magnetic shield lqh55dn472m03 p 4700 h 20% 10khz 70ma 61.04ohm 43.6ohm 40% 0.8mhz no magnetic shield lqh55dn103m03 p 10000 h 20% 10khz 50ma 140ohm 100ohm 40% 0.5mhz no magnetic shield 10000 h frequency (mhz) 10 100 1000 10000 100000 1000000 1 0.01 0.1 1 10 100 1000 1000 h 100 h 10 h 1 h impedance ( ? ) inductance ( h) dc current (a) 10000 1000 100 10 1 0.01 0.1 1 10 1 h 10 h 10000 h 1000 h 100 h operating temperature range: -40 to +80 c only for reflow soldering. impedance-frequency characteristics (typ.) inductance-current characteristics (typ.) ! caution (rating) do not use products beyond the rated current as this may create excessive heat. notice solderability of tin plating termination chip might be deteriorated when low temperature soldering profile where peak solder temperature is below the tin melting point is used. please confirm the solderability of tin plating termination chip before use. ! caution/notice
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