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 automotive electronics equipment for your design. 2009.11.2 noise suppression products/emi suppression filters > for automotive > chip ferrite bead for automotive 2.0 0.2 0.5 0.2 1.25 0.2 eia code : 0805 0.85 0.2 (in mm) : electrode (resistance element becomes dominant at high frequencies.) for automotive chip ferrite bead for automotive blm21p series (0805 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 blm21pg220sh1 p 22ohm 25% - 6000ma 0.01ohm -55 to +125 c blm21pg300sh1 p 30ohm(typ.) - 3000ma 0.015ohm -55 to +125 c blm21pg600sh1 p 60ohm 25% - 3000ma 0.025ohm -55 to +125 c blm21pg121sh1 p 120ohm 25% - 3000ma 0.03ohm -55 to +125 c blm21pg221sh1 p 220ohm 25% - 2000ma 0.050ohm -55 to +125 c blm21pg331sh1 p 330ohm 25% - 1500ma 0.09ohm -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 automotive electronics equipment for your design. 2009.11.2 in operating temperature exceeding +85 c, derating of current is necessary for blm21pg series. please apply the derating curve shown in chart according to the operating temperature. derating operating temperature [ c] derated current [a] 85 125 0 1 2 3 1.5 4 5 6 impedance ( ? ) 0 100 200 300 400 500 1 10 100 1000 frequency (mhz) 3000 blm21pg220sh1 blm21pg300sh1 blm21pg600sh1 blm21pg221sh1 blm21pg331sh1 blm21pg121sh1 1 10 100 1000 3000 frequency (mhz) impedance ( ? ) 30 20 10 0 z r x 40 noise suppression products/emi suppression filters > for automotive > chip ferrite bead for automotive derating of rated current impedance-frequency characteristics (main items) impedance-frequency characteristics blm21pg220sh1 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 automotive electronics equipment for your design. 2009.11.2 1 10 100 1000 3000 frequency (mhz) impedance ( ? ) 45 30 15 0 z r x 60 1 10 100 1000 3000 frequency (mhz) impedance ( ? ) 90 60 30 0 z r x 120 1 10 100 1000 3000 frequency (mhz) impedance ( ? ) 0 40 80 160 120 z r x 1 10 100 1000 3000 frequency (mhz) impedance ( ? ) 300 200 100 0 z r x 400 1 10 100 1000 3000 frequency (mhz) impedance ( ? ) 600 450 300 150 0 r x z noise suppression products/emi suppression filters > for automotive > chip ferrite bead for automotive impedance-frequency characteristics blm21pg300sh1 impedance-frequency characteristics blm21pg600sh1 impedance-frequency characteristics blm21pg121sh1 impedance-frequency characteristics blm21pg221sh1 impedance-frequency characteristics blm21pg331sh1 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. 4 o this data sheet is applied for chip ferrite bead used for automotive electronics equipment for your design. 2009.11.2 noise suppression products/emi suppression filters > for automotive > chip ferrite bead for automotive ! caution (rating) 1. do not use products beyond the rated current as this may create excessive heat and deteriorate the insulation resistance. 2. be sure to provide an appropriate fail-safe function on your product to prevent a second damage that may be caused by the abnormal function or the failure our product. 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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