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 before 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 2012.9.6 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 blm41p series (1806 size) c dimensions 0.70.3 4.50.2 1.60.2 1.60.2 (in mm) : electrode c equivalent circuit (resistance element becomes dominant at high frequencies.) c packaging code packaging minimum quantity l 180mm embossed tape 2500 k 330mm embossed tape 8000 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 blm41pg600sn1 p 60ohm (typ.) - 6000ma 0.009ohm max. -55 to +125c blm41pg750sn1 p 75ohm (typ.) - 3500ma 0.015ohm max. -55 to +125c blm41pg181sn1 p 180ohm 25% - 3500ma 0.02ohm max. -55 to +125c blm41pg471sn1 p 470ohm 25% - 2000ma 0.05ohm max. -55 to +125c blm41pg102sn1 p 1000ohm 25% - 1500ma 0.09ohm 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 before 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 2012.9.6 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 blm41pg series. please apply the derating curve shown in chart according to the operating temperature. derating of rated current operating temperature (c) rated current (ma) 85 0 125 0 1000 2000 1500 6000 3500 c impedance-frequency characteristics (main items) impedance ( ) frequency (mhz) 1 10 100 1000 3000 0 50 100 150 blm41pg750sn1 blm41pg600sn1 c impedance-frequency characteristics (main items) impedance ( ) frequency (mhz) 1 10 100 1000 3000 1200 900 600 300 0 blm41pg102sn1 blm41pg471sn1 blm41pg181sn1 continued on the following page. blm41pg series (60ohm to 75ohm) blm41pg series (180ohm to 1000ohm)
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 before 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 2012.9.6 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 blm41pg600sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 100 25 50 75 0 z r x c impedance-frequency characteristics blm41pg750sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 125 100 75 50 25 0 z r x c impedance-frequency characteristics blm41pg181sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 250 50 100 150 200 0 z r x c impedance-frequency characteristics blm41pg471sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 600 450 300 150 0 z r x c impedance-frequency characteristics blm41pg102sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ) 1200 900 600 300 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 before 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 2012.9.6 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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