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 ferrite bead used for general electronics equipment for your design. 2006.11.2 noise suppression products/emi suppression filters > chip emifil r inductor type > chip ferrite beads chip emifil r inductor type chip ferrite beads blm31a series (1206 size) o (in mm) * blm31af700sn1 : 1.6 0.2 * 1.1 0.2 3.2 0.2 1.6 0.2 0.7 0.3 (resistance element becomes dominant at high frequencies.) for your new designs, alternative parts should be used. these parts should be used only for existing design. please consult wit h us for details. dimension equivalent circuit packaging code packaging minimum quantity l 180mm embossed tape 3000 k 330mm embossed tape 10000 b bulk(bag) 1000 code ?only applied to blm31af700sn1 packaging minimum quantity l 180mm embossed tape 2500 k 330mm embossed tape 8000 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 blm31aj260sn1 p 26ohm 25% - 500ma 0.05ohm -55 c to +125 c 1 blm31af700sn1 p 70ohm 25% - 200ma 0.15ohm -55 c to +125 c 1 BLM31AJ601SN1 p 600ohm 25% - 200ma 0.90ohm -55 c to +125 c 1 40 30 20 10 0 1 10 100 1000 frequency (mhz) impedance ( ? ) z r x 100 75 50 25 0 1 10 100 1000 frequency (mhz) impedance ( ? ) z r x impedance-frequency characteristics blm31aj260sn1 impedance-frequency characteristics blm31af700sn1 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 ferrite bead used for general electronics equipment for your design. 2006.11.2 800 600 400 200 0 1 10 100 1000 frequency (mhz) impedance ( ? ) r x z noise suppression products/emi suppression filters > chip emifil r inductor type > chip ferrite beads impedance-frequency characteristics BLM31AJ601SN1 ! 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
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