http://www.murata.com/ data sheet 1 o this data sheet is applied for chip ferrite bead used for general electronics equipment for your design. 2005.3.4 noise suppression products/emi suppression filters > chip emifil r inductor type > for ghz noise chip ferrite beads (in mm) 0.5 0.05 0.5 0.05 1.0 0.05 0.25 0.1 (resistance element becomes dominant at high frequencies.) chip emifil r inductor type blm15e series (0402 size) dimension equivalent circuit packaging code packaging minimum quantity d 180mm paper tape 10000 j 330mm paper tape 50000 b bulk(bag) 1000 rated value ( p : packaging code) part number impedance (at 100mhz/20 c) impedance (at 1ghz/20 c) rated current dc resistance(max.) operating temperature range number of circuits blm15eg121sn1 p 120ohm 25% 145ohm(typ.) 1500ma 0.095ohm -55 c to +125 c 1 BLM15EG221SN1 p 220ohm 25% 270ohm(typ.) 700ma 0.28ohm -55 c to +125 c 1 continued on the following page.
http://www.murata.com/ data sheet 2 o this data sheet is applied for chip ferrite bead used for general electronics equipment for your design. 2005.3.4 noise suppression products/emi suppression filters > chip emifil r inductor type > for ghz noise chip ferrite beads continued from the preceding page. 0 50 100 150 200 1 10 100 1000 3000 frequency (mhz) impedance ( ? ) r x z 0 100 200 300 400 1 10 100 1000 3000 frequency (mhz) impedance ( ? ) r x z notice (rating) z-f characteristics (typ.) blm15eg121sn1 z-f characteristics (typ.) BLM15EG221SN1 ! caution (rating) do not use products beyond the rated current and rated voltage as this may create excessive heat and deteriorate the insulation resistance . 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 [derating] in operating temperature exceeding +85 c, derating of current is necessary for blm15e series. please apply the derating curve shown in chart according to the operating temperature. 2.1 1.8 1.5 1.2 0.9 0.6 derated current (a) operating temperature ( d ) 45 85 125 blm15eg121sn1 0.9 0.7 0.5 0.3 derated current (a) operating temperature ( d ) 45 85 125 BLM15EG221SN1
http://www.murata.com/ data sheet 3 o this data sheet is applied for chip ferrite bead used for general electronics equipment for your design. 2005.3.4 noise suppression products/emi suppression filters > chip emifil r inductor type > for ghz noise chip ferrite beads ! note: 1. export control < for customers outside japan > murata products should not be used or sold for use in the development, production, stockpiling or utilization of any conventio nal weapons or mass-destructive weapons (nuclear weapons, chemical or biological weapons, or missiles), or any other weapons. < for customers in japan > for products which are controlled items subject to the ?foreign exchange and foreign trade law? of japan, the export license s pecified by the law is required for export. 2. please contact our sales representatives or product engineers before using the products in this data sheet for the applicati ons listed below, which require especially high reliability for the prevention of defects which might directly damage to a third party's life, body or property , or when one of our products is intended for use in applications other than those specified in this data sheet. q aircraft equipment w aerospace equipment e undersea equipment r power plant equipment t medical equipment y transportation equipment (vehicles, trains, ships, etc.) u traffic signal equipment i disaster prevention / crime prevention equipment o data-processing equipment !0 application of similar complexity and/or reliability requirements to the applications listed in the above 3. they are subject to change or our products in it may be discontinued without advance notice. please check with our sales rep resentatives or product engineers before ordering. if there are any questions, please contact our sales representatives or product engineers. 4. this data sheet has only typical specifications because there is no space for detailed specifications. therefore, please app rove our product specifications or transact the approval sheet for product specifications before ordering. especially, please read rating and ! caution (for storage, operating, rating, soldering, mounting and handling) in them to prevent smoking and/or burning, etc. 5. you are able to read a detailed specification in the website of search engine (http://search.murata.co.jp/) or catalog libra ry (http://www.murata.com/catalog/) before to require our product specification or to transact the approval sheet for product specification. 6. please note that unless otherwise specified, we shall assume no responsibility whatsoever for any conflict or dispute that m ay occur in connection with the effect of our and/or a third party's intellectual property rights and other related rights in consideration of your use of our product s and/or information described or contained in our data sheets. in this connection, no representation shall be made to the effect that any third parties are auth orized to use the right mentioned above under licenses without our consent. 7. no ozone depleting substances (ods) under the montreal protocol are used in our manufacturing process.
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