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. 2006.3.9 noise suppression products/emi suppression filters > for automotive > chip ferrite beads for automotive 2.0 0.2 0.5 0.2 1.25 0.2 eia code : 0805 (in mm) 0.85 0.2 (resistance element becomes dominant at high frequencies.) for automotive chip ferrite beads for automotive blm21p series (0805 size) dimension 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 number of circuits blm21pg220sh1 p 22ohm 25% - 6000ma 0.01ohm -55 c to +125 c 1 blm21pg300sh1 p 30ohm(typ.) - 3000ma 0.015ohm -55 c to +125 c 1 blm21pg600sh1 p 60ohm 25% - 3000ma 0.025ohm -55 c to +125 c 1 blm21pg221sh1 p 220ohm 25% - 2000ma 0.050ohm -55 c to +125 c 1 blm21pg331sh1 p 330ohm 25% - 1500ma 0.09ohm -55 c to +125 c 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. 2006.3.9 in operating temperatures exceeding +85 d , derating of current is necessary for chip ferrite beads for which rated current is 1500ma or over. please apply the derating curve shown in chart according to the operating temperature. [derating] 85 125 operating temperature [ d ] 0 1 2 3 4 5 6 6a 3a 1.5a 2a 2.5a 4a 1.4a 1.2a 1a derated current [a] 30 20 10 0 1 10 100 1000 frequency (mhz) impedance ( ? ) z r x 40 45 30 15 0 1 10 100 1000 frequency (mhz) impedance ( ? ) z r x 60 noise suppression products/emi suppression filters > for automotive > chip ferrite beads for automotive notice (rating) impedance-frequency characteristics blm21pg220sh1 impedance-frequency characteristics blm21pg300sh1 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. 2006.3.9 90 60 30 0 1 10 100 1000 frequency (mhz) impedance ( ? ) z r x 120 300 200 100 0 1 10 100 1000 frequency (mhz) impedance ( ? ) z r x 400 600 450 300 150 0 1 10 100 1000 frequency (mhz) impedance ( ? ) r x z noise suppression products/emi suppression filters > for automotive > chip ferrite beads for automotive impedance-frequency characteristics blm21pg600sh1 impedance-frequency characteristics blm21pg221sh1 impedance-frequency characteristics blm21pg331sh1 ! caution (rating) do not use products beyond the rated current and rated voltage 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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