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. 2008.11.4 inductors(coils)/microchip transformer > chip inductors (chip coils) > for general use monolithic type 2.0 0.3 0.5 0.3 1.25 0.2 t electrode (in mm) inductance: 0.1 to 2.2 h dimension of t inductance: 2.7 to 4.7 h 0.85 0.2 1.25 0.2 chip inductors (chip coils) for general use monolithic type lqm21n series (0805 size) dimension 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 0.1 to 2.2 h *2: only 2.7 to 4.7 h rated value ( p : packaging code) part number inductance test frequency rated current max. of dc resistance q (min.) test frequency self resonance frequency (min.) class of magnetic shield lqm21nnr10k10 p 0.1 h 10% 25mhz 250ma 0.26ohm 20 25mhz 340mhz magnetic shield of ferrite lqm21nnr12k10 p 0.12 h 10% 25mhz 250ma 0.29ohm 20 25mhz 310mhz magnetic shield of ferrite lqm21nnr15k10 p 0.15 h 10% 25mhz 250ma 0.32ohm 20 25mhz 270mhz magnetic shield of ferrite lqm21nnr18k10 p 0.18 h 10% 25mhz 250ma 0.35ohm 20 25mhz 250mhz magnetic shield of ferrite lqm21nnr22k10 p 0.22 h 10% 25mhz 250ma 0.38ohm 20 25mhz 220mhz magnetic shield of ferrite lqm21nnr27k10 p 0.27 h 10% 25mhz 250ma 0.42ohm 20 25mhz 200mhz magnetic shield of ferrite lqm21nnr33k10 p 0.33 h 10% 25mhz 250ma 0.48ohm 20 25mhz 180mhz magnetic shield of ferrite lqm21nnr39k10 p 0.39 h 10% 25mhz 200ma 0.53ohm 25 25mhz 165mhz magnetic shield of ferrite lqm21nnr47k10 p 0.47 h 10% 25mhz 200ma 0.57ohm 25 25mhz 150mhz magnetic shield of ferrite lqm21nnr56k10 p 0.56 h 10% 25mhz 150ma 0.63ohm 25 25mhz 140mhz magnetic shield of ferrite lqm21nnr68k10 p 0.68 h 10% 25mhz 150ma 0.72ohm 25 25mhz 125mhz magnetic shield of ferrite lqm21nnr82k10 p 0.82 h 10% 25mhz 150ma 0.81ohm 25 25mhz 115mhz magnetic shield of ferrite lqm21nn1r0k10 p 1 h 10% 10mhz 50ma 0.40ohm 45 10mhz 107mhz magnetic shield of ferrite lqm21nn1r2k10 p 1.2 h 10% 10mhz 50ma 0.47ohm 45 10mhz 97mhz magnetic shield of ferrite lqm21nn1r5k10 p 1.5 h 10% 10mhz 50ma 0.50ohm 45 10mhz 87mhz magnetic shield of ferrite lqm21nn1r8k10 p 1.8 h 10% 10mhz 50ma 0.57ohm 45 10mhz 80mhz magnetic shield of ferrite lqm21nn2r2k10 p 2.2 h 10% 10mhz 30ma 0.63ohm 45 10mhz 71mhz magnetic shield of ferrite lqm21nn2r7k10 p 2.7 h 10% 10mhz 30ma 0.69ohm 45 10mhz 66mhz magnetic shield of ferrite lqm21nn3r3k10 p 3.3 h 10% 10mhz 30ma 0.80ohm 45 10mhz 59mhz magnetic shield of ferrite lqm21nn3r9k10 p 3.9 h 10% 10mhz 30ma 0.89ohm 45 10mhz 53mhz magnetic shield of ferrite lqm21nn4r7k10 p 4.7 h 10% 10mhz 30ma 1.00ohm 45 10mhz 47mhz magnetic shield of ferrite operating temperature range: -40 c to +85 c 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. 2008.11.4 frequency (mhz) 100 0 80 60 20 40 1 10 100 1000 q 4.7 h 1.0 h 1.8 h 0.1 h 0.22 h 0.18 h 50 10 5 1 0.5 0.1 inductance ( h) 1 5 10 50 100 500 1000 current (ma) 1.0 h 1.8 h 4.7 h 0.22 h 0.10 h 0.82 h inductors(coils)/microchip transformer > chip inductors (chip coils) > for general use monolithic type q - 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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