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 for ghz noise 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 for ghz noise blm18h series (0603 size) c dimensions 0.40.2 1.60.15 0.80.15 0.80.15 (in mm) : electrode 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 c rated value ( p : packaging code) part number impedance (at 100mhz/20c) impedance (at 1ghz/20c) rated current dc resistance operating temperature range blm18hg471sn1 p 470ohm 25% 600ohm (typ.) 200ma 0.85ohm max. -55 to +125c blm18hg601sn1 p 600ohm 25% 700ohm (typ.) 200ma 1.00ohm max. -55 to +125c blm18hg102sn1 p 1000ohm 25% 1000ohm (typ.) 100ma 1.60ohm max. -55 to +125c blm18he601sn1 p 600ohm 25% 600ohm (typ.) 800ma 0.25ohm max. -55 to +125c blm18he102sn1 p 1000ohm 25% 1000ohm (typ.) 600ma 0.35ohm max. -55 to +125c blm18he152sn1 p 1500ohm 25% 1500ohm (typ.) 500ma 0.50ohm max. -55 to +125c blm18hd471sn1 p 470ohm 25% 1000ohm (typ.) 100ma 1.20ohm max. -55 to +125c blm18hd601sn1 p 600ohm 25% 1200ohm (typ.) 100ma 1.50ohm max. -55 to +125c blm18hd102sn1 p 1000ohm 25% 1700ohm (typ.) 50ma 1.80ohm max. -55 to +125c blm18hb121sn1 p 120ohm 25% 500ohm 40% 200ma 0.50ohm max. -55 to +125c blm18hb221sn1 p 220ohm 25% 1100ohm 40% 100ma 0.80ohm max. -55 to +125c blm18hb331sn1 p 330ohm 25% 1600ohm 40% 50ma 1.20ohm max. -55 to +125c blm18hk331sn1 p 330ohm 25% 400ohm 40% 200ma 0.50ohm max. -55 to +125c blm18hk471sn1 p 470ohm 25% 600ohm 40% 200ma 0.70ohm max. -55 to +125c blm18hk601sn1 p 600ohm 25% 700ohm 40% 100ma 0.90ohm max. -55 to +125c blm18hk102sn1 p 1000ohm 25% 1200ohm 40% 50ma 1.50ohm 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 for ghz noise 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 derating of rated current in operating temperature exceeding +85c, derating of current is necessary for blm18he series. please apply the derating curve shown in chart according to the operating temperature. derating of rated current rated current (ma) operating temperature (c) 125 85 0 400 500 600 800 0 c impedance-frequency characteristics (main items) blm18hg series impedance ( ) frequency (mhz) 1 10 100 1000 3000 2000 1500 1000 500 0 blm18hg102sn1 blm18hg601sn1 blm18hg471sn1 c impedance-frequency characteristics (main items) blm18he series impedance ( ) frequency (mhz) 1 10 100 1000 3000 0 500 1000 1500 2000 2500 blm18he152sn1 blm18he601sn1 blm18he102sn1 c impedance-frequency characteristics (main items) blm18hd series impedance ( ) frequency (mhz) 1 10 100 1000 3000 0 3000 2000 2500 1500 500 1000 blm18hd601sn1 blm18hd471sn1 blm18hd102sn1 c impedance-frequency characteristics (main items) blm18hb series impedance ( ) frequency (mhz) 1 10 100 1000 3000 2000 1500 1000 500 0 blm18hb331sn1 blm18hb121sn1 blm18hb221sn1 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 for ghz noise 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 (main items) blm18hk series impedance ( ) frequency (mhz) 1 10 100 1000 3000 0 1500 1200 900 600 300 blm18hk471sn1 blm18hk331sn1 blm18hk601sn1 blm18hk102sn1 c impedance-frequency characteristics blm18hg471sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 0 1000 750 500 250 z r x c impedance-frequency characteristics blm18hg601sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 0 1200 900 600 300 z r x c impedance-frequency characteristics blm18hg102sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 0 2000 1500 1000 500 z r x c impedance-frequency characteristics blm18he601sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 0 200 400 600 800 1000 z r x c impedance-frequency characteristics blm18he102sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 0 500 1000 1500 2000 z r x 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 for ghz noise 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 blm18he152sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 0 500 1000 1500 2000 2500 z r x c impedance-frequency characteristics blm18hd471sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 0 1600 1200 800 400 z r x c impedance-frequency characteristics blm18hd601sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 0 2000 1500 1000 500 z r x c impedance-frequency characteristics blm18hd102sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 0 3000 2000 2500 1000 1500 500 z r x c impedance-frequency characteristics blm18hb121sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 750 1000 500 250 0 z r x c impedance-frequency characteristics blm18hb221sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 1250 1000 750 500 250 0 z r x 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 for ghz noise 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 blm18hb331sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 1800 1500 1200 900 300 600 0 z r x c impedance-frequency characteristics blm18hk331sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 0 600 450 300 150 z r x c impedance-frequency characteristics blm18hk471sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 0 750 600 450 300 150 z r x c impedance-frequency characteristics blm18hk601sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 0 1000 600 800 400 200 z r x c impedance-frequency characteristics blm18hk102sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 0 1500 1250 750 1000 250 500 z r x 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 for ghz noise 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 ! 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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