1 data sheet ! note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it?s speci? cations are subject to 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 speci? cations because there is no space for detailed speci? cations. therefore, please approve our product speci? cations or transact the approval sheet for product speci? cations before ordering. http://www.murata.com/ 1 inductors (coils) > chip inductor (chip coil) > power inductor (wire wound type for choke) 2011.11.2 o this data sheet is applied for chip inductors (chip coils) used for general electronics equipment for your design. chip inductor (chip coil) power inductor (wire wound type for choke) lqh55d series (2220 size) c dimensions 4.70.3 5.00.3 5.00.3 5.70.3 1.7 min. 1.3 min. 1.3 min. (in mm) c packaging code packaging minimum quantity l 180mm embossed tape 350 k 330mm embossed tape 1500 c rated value ( p : packaging code) part number inductance test frequency rated current dc resistance self resonance frequency (min.) lqh55dnr12m03 p 0.12h 20% 1mhz 6000ma 0.007ohm 40% 450mhz lqh55dnr27m03 p 0.27h 20% 1mhz 5300ma 0.010ohm 40% 300mhz lqh55dnr47m03 p 0.47h 20% 1mhz 4800ma 0.013ohm 40% 200mhz lqh55dn1r0m03 p 1.0h 20% 1mhz 4000ma 0.019ohm 40% 150mhz lqh55dn1r5m03 p 1.5h 20% 1mhz 3700ma 0.022ohm 40% 110mhz lqh55dn2r2m03 p 2.2h 20% 1mhz 3200ma 0.029ohm 40% 80mhz lqh55dn3r3m03 p 3.3h 20% 1mhz 2900ma 0.036ohm 40% 40mhz lqh55dn4r7m03 p 4.7h 20% 1mhz 2700ma 0.041ohm 40% 30mhz lqh55dn6r8m03 p 6.8h 20% 1mhz 2000ma 0.074ohm 40% 25mhz lqh55dn100m03 p 10h 20% 1mhz 1700ma 0.093ohm 40% 20mhz lqh55dn150m03 p 15h 20% 1mhz 1400ma 0.15ohm 40% 17mhz lqh55dn220m03 p 22h 20% 1mhz 1200ma 0.19ohm 40% 15mhz lqh55dn330m03 p 33h 20% 1mhz 900ma 0.32ohm 40% 12mhz lqh55dn470m03 p 47h 20% 1mhz 800ma 0.40ohm 40% 10mhz lqh55dn680m03 p 68h 20% 1mhz 640ma 0.67ohm 40% 7.6mhz lqh55dn101m03 p 100h 20% 100khz 560ma 0.86ohm 40% 6.5mhz lqh55dn151m03 p 150h 20% 100khz 420ma 1.9ohm 40% 5.0mhz lqh55dn221m03 p 220h 20% 100khz 320ma 2.4ohm 40% 4.0mhz lqh55dn331m03 p 330h 20% 100khz 270ma 4.4ohm 40% 3.1mhz lqh55dn471m03 p 470h 20% 100khz 240ma 5.4ohm 40% 2.4mhz lqh55dn681m03 p 680h 20% 100khz 190ma 8.1ohm 40% 1.9mhz LQH55DN102M03 p 1000h 20% 10khz 150ma 10.3ohm 40% 1.7mhz lqh55dn222m03 p 2200h 20% 10khz 100ma 21.5ohm 40% 1.2mhz lqh55dn472m03 p 4700h 20% 10khz 70ma 43.6ohm 40% 0.8mhz lqh55dn103m03 p 10000h 20% 10khz 50ma 100ohm 40% 0.5mhz class of magnetic shield: no magnetic shield operating temperature range (self-temperature rise is not included): -40 to +80c only for re? ow soldering. continued on the following page.
2 data sheet ! note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it?s speci? cations are subject to 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 speci? cations because there is no space for detailed speci? cations. therefore, please approve our product speci? cations or transact the approval sheet for product speci? cations before ordering. http://www.murata.com/ 2 inductors (coils) > chip inductor (chip coil) > power inductor (wire wound type for choke) 2011.11.2 o this data sheet is applied for chip inductors (chip coils) used for general electronics equipment for your design. continued from the preceding page. c impedance-frequency characteristics (typ.) 10000h frequency (mhz) 10 100 1000 10000 100000 1000000 1 0.01 0.1 1 10 100 1000 1000h 100h 10h 1h impedance ( ) c inductance-current characteristics (typ.) inductance (h) current (a) 10000 1000 100000 100 10 1 0.1 0.01 0.001 0.1 1 10 1h 10h 10000h 1000h 100h c ! caution/notice ! 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 pro le where peak solder temperature is below the tin melting point is used. please con rm the solderability of tin plating termination chip before use.
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