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 bef ore 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 noise suppression products/emi suppression filters > emifil r (inductor type) > chip ferrite bead 2011.11.2 o this data sheet is applied for chip ferrite bead used for general electronics equipment for your design. emifil r (inductor type) chip ferrite bead blm21b series (0805 size) c dimensions 2.00.2 e 1.250.2 t (in mm) : electrode part number t blm21b (exclude items below) 0.850.2 blm21bd222sn1 1.250.2 blm21bd272sn1 1.250.2 e 0.50.2 0.50.2 0.30.2 c equivalent circuit (resistance element becomes dominant at high frequencies.) c packaging code packaging minimum quantity d 180mm paper tape 4000 j 330mm paper tape 10000 b bulk(bag) 1000 code u " ? ? t > ? ? ? ? i ` ? blm21bd222sn1/21bd272sn1 * > v ? > } ? ? } ? ? ? ? ? ? + ? > ? ? t l 180mm plastic tape 3000 k 330mm plastic tape 10000 b bulk(bag) 1000 c rated value ( p : packaging code) part number impedance (at 100mhz/20c) impedance (at 1ghz/20c) rated current dc resistance operating temperature range blm21bd121sn1 p 120ohm 25% - 200ma 0.25ohm max. -55 to +125c blm21bd151sn1 p 150ohm 25% - 200ma 0.25ohm max. -55 to +125c blm21bd221sn1 p 220ohm 25% - 200ma 0.25ohm max. -55 to +125c blm21bd331sn1 p 330ohm 25% - 200ma 0.30ohm max. -55 to +125c blm21bd421sn1 p 420ohm 25% - 200ma 0.30ohm max. -55 to +125c blm21bd471sn1 p 470ohm 25% - 200ma 0.35ohm max. -55 to +125c blm21bd601sn1 p 600ohm 25% - 200ma 0.35ohm max. -55 to +125c blm21bd751sn1 p 750ohm 25% - 200ma 0.40ohm max. -55 to +125c blm21bd102sn1 p 1000ohm 25% - 200ma 0.40ohm max. -55 to +125c blm21bd152sn1 p 1500ohm 25% - 200ma 0.45ohm max. -55 to +125c blm21bd182sn1 p 1800ohm 25% - 200ma 0.50ohm max. -55 to +125c blm21bd222tn1 p 2200ohm 25% - 200ma 0.60ohm max. -55 to +125c blm21bd222sn1 p 2250ohm (typ.) - 200ma 0.60ohm max. -55 to +125c blm21bd272sn1 p 2700ohm 25% - 200ma 0.80ohm max. -55 to +125c blm21bb050sn1 p 5ohm 25% - 1000ma 0.02ohm max. -55 to +125c blm21bb600sn1 p 60ohm 25% - 800ma 0.13ohm max. -55 to +125c blm21bb750sn1 p 75ohm 25% - 700ma 0.16ohm max. -55 to +125c blm21bb121sn1 p 120ohm 25% - 600ma 0.19ohm max. -55 to +125c blm21bb151sn1 p 150ohm 25% - 600ma 0.21ohm max. -55 to +125c blm21bb201sn1 p 200ohm 25% - 500ma 0.26ohm max. -55 to +125c number of circuits: 1 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 bef ore 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 noise suppression products/emi suppression filters > emifil r (inductor type) > chip ferrite bead 2011.11.2 o this data sheet is applied for chip ferrite bead used for general electronics equipment for your design. continued from the preceding page. part number impedance (at 100mhz/20c) impedance (at 1ghz/20c) rated current dc resistance operating temperature range blm21bb221sn1 p 220ohm 25% - 500ma 0.26ohm max. -55 to +125c blm21bb331sn1 p 330ohm 25% - 400ma 0.33ohm max. -55 to +125c blm21bb471sn1 p 470ohm 25% - 400ma 0.40ohm max. -55 to +125c number of circuits: 1 c impedance-frequency characteristics (main items) blm21bd series impedance ( ) frequency (mhz) 1 10 100 1000 3000 3000 600 1200 1800 2400 0 blm21bd331sn1 blm21bd471sn1 blm21bd221sn1 blm21bd152sn1 blm21bd151sn1 blm21bd121sn1 blm21bd601sn1 blm21bd222tn1 blm21bd102sn1 blm21bd751sn1 blm21bd272sn1 blm21bd222sn1 blm21bd182sn1 blm21bd421sn1 c impedance-frequency characteristics (main items) blm21bb series impedance ( ) frequency (mhz) 1 10 100 1000 3000 2000 1200 1600 800 400 0 blm21bb201sn1 blm21bb750sn1 blm21bb151sn1 blm21bb121sn1 blm21bb471sn1 blm21bb600sn1 blm21bb331sn1 blm21bb221sn1 blm21bb050sn1 c impedance-frequency characteristics blm21bd121sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 300 180 60 240 120 0 r x z c impedance-frequency characteristics blm21bd151sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 360 60 120 180 240 300 0 r x z continued on the following page.
3 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 bef ore 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/ 3 noise suppression products/emi suppression filters > emifil r (inductor type) > chip ferrite bead 2011.11.2 o this data sheet is applied for chip ferrite bead used for general electronics equipment for your design. continued from the preceding page. c impedance-frequency characteristics blm21bd221sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 480 80 160 240 320 400 0 r x z c impedance-frequency characteristics blm21bd331sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 800 600 400 200 0 r x z c impedance-frequency characteristics blm21bd421sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 800 200 400 600 0 r x z c impedance-frequency characteristics blm21bd471sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 900 150 300 450 600 750 0 r x z c impedance-frequency characteristics blm21bd601sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 1200 200 400 600 800 1000 0 r x z c impedance-frequency characteristics blm21bd751sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 1500 1200 900 300 600 0 r x z continued on the following page.
4 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 bef ore 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/ 4 noise suppression products/emi suppression filters > emifil r (inductor type) > chip ferrite bead 2011.11.2 o this data sheet is applied for chip ferrite bead used for general electronics equipment for your design. continued from the preceding page. c impedance-frequency characteristics blm21bd102sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 1600 400 800 1200 0 r x z c impedance-frequency characteristics blm21bd152sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 2000 1200 1600 800 400 0 r x z c impedance-frequency characteristics blm21bd182sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 2400 400 800 1200 1600 2000 0 r x z c impedance-frequency characteristics blm21bd222tn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 2400 400 800 1200 1600 2000 0 r x z c impedance-frequency characteristics blm21bd222sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 2400 400 800 1200 1600 2000 0 r x z c impedance-frequency characteristics blm21bd272sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 3200 800 1600 2400 0 r x z continued on the following page.
5 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 bef ore 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/ 5 noise suppression products/emi suppression filters > emifil r (inductor type) > chip ferrite bead 2011.11.2 o this data sheet is applied for chip ferrite bead used for general electronics equipment for your design. continued from the preceding page. c impedance-frequency characteristics blm21bb050sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 30 20 10 25 15 5 0 z r x c impedance-frequency characteristics blm21bb600sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 300 100 200 0 r x z c impedance-frequency characteristics blm21bb750sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 300 100 200 0 r x z c impedance-frequency characteristics blm21bb121sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 400 100 200 300 0 r x z c impedance-frequency characteristics blm21bb151sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 600 200 400 0 r x z c impedance-frequency characteristics blm21bb201sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 600 200 400 0 r x z continued on the following page.
6 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 bef ore 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/ 6 noise suppression products/emi suppression filters > emifil r (inductor type) > chip ferrite bead 2011.11.2 o this data sheet is applied for chip ferrite bead used for general electronics equipment for your design. continued from the preceding page. c impedance-frequency characteristics blm21bb221sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 800 200 400 600 0 r x z c impedance-frequency characteristics blm21bb331sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 1200 900 600 300 0 r x z c impedance-frequency characteristics blm21bb471sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 2000 1500 1000 500 0 r x z c ! caution/notice ! 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 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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