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 (multilayer type for choke) 2011.9.8 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 (multilayer type for choke) lqm18f series (0603 size) c dimensions 1.60.1 0.30.2 0.80.1 0.80.1 (in mm) c packaging code packaging minimum quantity d 180mm paper tape 4000 j 330mm paper tape 10000 b bulk(bag) 1000 c rated value ( p : packaging code) part number inductance test frequency rated current dc resistance self resonance frequency (min.) lqm18fn1r0m00 p 1.0h 20% 1mhz 150ma 0.20ohm 30% 120mhz lqm18fn2r2m00 p 2.2h 20% 1mhz 120ma 0.40ohm 30% 80mhz lqm18fn4r7m00 p 4.7h 20% 1mhz 80ma 0.60ohm 30% 50mhz lqm18fn100m00 p 10h 20% 1mhz 50ma 0.90ohm 30% 30mhz class of magnetic shield: magnetic shield of ferrite operating temperature range (self-temperature rise is not included): -55 to +125c c impedance-frequency characteristics (typ.) impedance ( ) 1 10 100 1000 frequency (mhz) 1 100 1000 10 10000 10h 4.7h 1.0h 2.2h c inductance-current characteristics (typ.) 100 10 1 0.1 1 10 100 1000 current (ma) inductance (h) 10h 4.7h 2.2h 1.0h 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. free datasheet http:///
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