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. 2009.5.1 noise suppression products/emi suppression filters > for automotive > chip ferrite bead for automotive 1.1 0.2 3.2 0.2 1.6 0.2 0.7 0.3 (in mm) : electrode (resistance element becomes dominant at high frequencies.) for automotive chip ferrite bead for automotive blm31p series (1206 size) dimensions equivalent circuit packaging code packaging minimum quantity l 180mm embossed tape 3000 k 330mm embossed 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 blm31pg330sh1 p 33ohm 25% - 6000ma 0.01ohm -55 c to +125 c blm31pg500sh1 p 50ohm(typ.) - 3000ma 0.025ohm -55 c to +125 c blm31pg121sh1 p 120ohm 25% - 3000ma 0.025ohm -55 c to +125 c blm31pg391sh1 p 390ohm 25% - 2000ma 0.05ohm -55 c to +125 c blm31pg601sh1 p 600ohm 25% - 1500ma 0.09ohm -55 c 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. 2009.5.1 in operating temperature exceeding +85 c, derating of current is necessary for blm31pg 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 0 100 200 300 400 500 600 700 impedance (ohm) 1 10 100 1000 frequency (mhz) blm31pg391sh1 blm31pg500sh1 blm31pg330sh1 blm31pg121sh1 blm31pg601sh1 1 10 100 1000 3000 frequency (mhz) impedance ( ? ) 45 30 15 0 z r x 60 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 blm31pg330sh1 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. 2009.5.1 1 10 100 1000 3000 frequency (mhz) impedance ( ? ) 60 40 20 0 z r x 80 1 10 100 1000 3000 frequency (mhz) impedance ( ? ) 150 100 50 0 z r x 200 1 10 100 1000 3000 frequency (mhz) impedance ( ? ) 600 450 300 150 0 r x z 1 10 100 1000 3000 frequency (mhz) impedance ( ? ) 800 600 400 200 0 r x z noise suppression products/emi suppression filters > for automotive > chip ferrite bead for automotive impedance-frequency characteristics blm31pg500sh1 impedance-frequency characteristics blm31pg121sh1 impedance-frequency characteristics blm31pg391sh1 impedance-frequency characteristics blm31pg601sh1 ! 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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