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) lqm21f_00 series (0805 size) c dimensions 2.00.2 0.50.3 t (in mm) inductance: 1.0 to 2.2h dimension of t inductance: 4.7 to 47h 0.850.2 1.250.2 1.250.2 c packaging code packaging minimum quantity d 180mm paper tape 4000 * 1 l 180mm embossed tape 3000 * 2 j 330mm paper tape 10000 * 1 k 330mm embossed tape 10000 * 2 b bulk(bag) 1000 * 1: only lqm21f (1.0 to 2.2h) * 2: only lqm21f (4.7 to 47h) c rated value ( p : packaging code) part number inductance test frequency rated current dc resistance self resonance frequency (min.) lqm21fn1r0n00 p 1.0h 30% 1mhz 220ma 0.20ohm 30% 105mhz lqm21fn2r2n00 p 2.2h 30% 1mhz 150ma 0.28ohm 30% 70mhz lqm21fn4r7n00 p 4.7h 30% 1mhz 80ma 0.30ohm 30% 25mhz lqm21fn100n00 p 10h 30% 1mhz 60ma 0.50ohm 30% 15mhz lqm21fn220n00 p 22h 30% 1mhz 13ma 0.35ohm 30% 15mhz lqm21fn470n00 p 47h 30% 1mhz 7ma 0.60ohm 30% 7.5mhz class of magnetic shield: magnetic shield of ferrite operating temperature range (self-temperature rise is not included): -40 to +85c c impedance-frequency characteristics (typ.) 1 10 100 1000 100000 10000 1000 100 10 1 10h 4.7h 2.2h 22h 1.0h 47h frequency (mhz) impedance ( ) c inductance-current characteristics (typ.) 1 10 100 1000 100 10 0.1 1 current (ma) inductance (h) 10h 4.7h 2.2h 22h 1.0h 47h 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 (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. continued from the preceding page. 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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