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. 2011.1.13 noise suppression products/emi suppression filters > emifil r (inductor type) > chip ferrite bead 0.4 0.2 1.6 0.15 0.8 0.15 0.8 0.15 (in mm) : electrode (resistance element becomes dominant at high frequencies.) emifil r (inductor type) chip ferrite bead blm18r series (0603 size) dimensions equivalent circuit packaging code packaging minimum quantity d 180mm paper tape 4000 j 330mm paper tape 10000 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 blm18rk121sn1 p 120ohm 25% - 200ma 0.25ohm -55 to +125 c blm18rk221sn1 p 220ohm 25% - 200ma 0.30ohm -55 to +125 c blm18rk471sn1 p 470ohm 25% - 200ma 0.50ohm -55 to +125 c blm18rk601sn1 p 600ohm 25% - 200ma 0.60ohm -55 to +125 c blm18rk102sn1 p 1000ohm 25% - 200ma 0.80ohm -55 to +125 c number of circuits: 1 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. 2011.1.13 impedance ( ? ) frequency (mhz) 1 10 100 1000 3000 1200 900 600 300 0 blm18rk102sn1 blm18rk601sn1 blm18rk471sn1 blm18rk221sn1 blm18rk121sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ? ) 200 150 100 50 0 z r x 1 10 100 1000 3000 frequency (mhz) impedance ( ? ) 0 100 200 300 z r x 1 10 100 1000 3000 frequency (mhz) impedance ( ? ) 600 450 300 150 0 z r x 1 10 100 1000 3000 frequency (mhz) impedance ( ? ) x z r 0 200 400 600 800 1 10 100 1000 3000 frequency (mhz) impedance ( ? ) 0 200 400 600 800 1000 1200 x z r noise suppression products/emi suppression filters > emifil r (inductor type) > chip ferrite bead impedance-frequency characteristics (main items) impedance-frequency characteristics blm18rk121sn1 impedance-frequency characteristics blm18rk221sn1 impedance-frequency characteristics blm18rk471sn1 impedance-frequency characteristics blm18rk601sn1 impedance-frequency characteristics blm18rk102sn1 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. 3 o this data sheet is applied for chip ferrite bead used for general electronics equipment for your design. 2011.1.13 noise suppression products/emi suppression filters > emifil r (inductor type) > chip ferrite bead ! caution (rating) do not use products beyond the rated current 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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