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 before 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) > for general use multilayer type 2012.11.8 o this data sheet is applied for chip inductors (chip coils) used for general electronics equipment for your design. chip inductor (chip coil) for general use multilayer type lqm21n series (0805 size) c dimensions 2.00.2 0.50.3 1.250.2 t (in mm) inductance: 0.1 to 2.2h dimension of t inductance: 2.7 to 4.7h 0.850.2 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: lqm21n (0.1 to 2.2h) * 2: lqm21n (2.7 to 4.7h) c rated value ( p : packaging code) part number inductance test frequency rated current max. of dc resistance q (min.) test frequency self resonance frequency (min.) lqm21nnr10k10 p 0.1h 10% 25mhz 250ma 0.26ohm 20 25mhz 340mhz lqm21nnr12k10 p 0.12h 10% 25mhz 250ma 0.29ohm 20 25mhz 310mhz lqm21nnr15k10 p 0.15h 10% 25mhz 250ma 0.32ohm 20 25mhz 270mhz lqm21nnr18k10 p 0.18h 10% 25mhz 250ma 0.35ohm 20 25mhz 250mhz lqm21nnr22k10 p 0.22h 10% 25mhz 250ma 0.38ohm 20 25mhz 220mhz lqm21nnr27k10 p 0.27h 10% 25mhz 250ma 0.42ohm 20 25mhz 200mhz lqm21nnr33k10 p 0.33h 10% 25mhz 250ma 0.48ohm 20 25mhz 180mhz lqm21nnr39k10 p 0.39h 10% 25mhz 200ma 0.53ohm 25 25mhz 165mhz lqm21nnr47k10 p 0.47h 10% 25mhz 200ma 0.57ohm 25 25mhz 150mhz lqm21nnr56k10 p 0.56h 10% 25mhz 150ma 0.63ohm 25 25mhz 140mhz lqm21nnr68k10 p 0.68h 10% 25mhz 150ma 0.72ohm 25 25mhz 125mhz lqm21nnr82k10 p 0.82h 10% 25mhz 150ma 0.81ohm 25 25mhz 115mhz lqm21nn1r0k10 p 1h 10% 10mhz 50ma 0.40ohm 45 10mhz 107mhz lqm21nn1r2k10 p 1.2h 10% 10mhz 50ma 0.47ohm 45 10mhz 97mhz lqm21nn1r5k10 p 1.5h 10% 10mhz 50ma 0.50ohm 45 10mhz 87mhz lqm21nn1r8k10 p 1.8h 10% 10mhz 50ma 0.57ohm 45 10mhz 80mhz lqm21nn2r2k10 p 2.2h 10% 10mhz 30ma 0.63ohm 45 10mhz 71mhz lqm21nn2r7k10 p 2.7h 10% 10mhz 30ma 0.69ohm 45 10mhz 66mhz lqm21nn3r3k10 p 3.3h 10% 10mhz 30ma 0.80ohm 45 10mhz 59mhz lqm21nn3r9k10 p 3.9h 10% 10mhz 30ma 0.89ohm 45 10mhz 53mhz lqm21nn4r7k10 p 4.7h 10% 10mhz 30ma 1.00ohm 45 10mhz 47mhz class of magnetic shield: magnetic shield of ferrite operating temperature range (self-temperature rise is not included): -40 to +85c 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 before 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) > for general use multilayer type 2012.11.8 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 q-frequency characteristics (typ.) frequency (mhz) 100 0 80 60 20 40 1 10 100 1000 q 4.7h 1.0h 1.8h 0.1h 0.22h 0.18h c inductance-current characteristics (typ.) 10 100 1 0.1 0.01 inductance (h) 1 10 100 1000 current (ma) 1.0h 1.8h 4.7h 0.22h 0.10h 0.82h 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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