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 general electronics equipment for your design. 2009.5.1 noise suppression products/emi suppression filters > emifil r (inductor type) > chip ferrite bead 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.) emifil r (inductor type) chip ferrite bead 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 blm31pg330sn1 p 33ohm 25% - 6000ma 0.01ohm -55 c to +125 c blm31pg500sn1 p 50ohm(typ.) - 3000ma 0.025ohm -55 c to +125 c blm31pg121sn1 p 120ohm 25% - 3000ma 0.025ohm -55 c to +125 c blm31pg391sn1 p 390ohm 25% - 2000ma 0.05ohm -55 c to +125 c blm31pg601sn1 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 general 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 impedance ( ? ) frequency (mhz) 1 10 100 1000 3000 0 200 400 600 800 blm31pg391sn1 blm31pg500sn1 blm31pg330sn1 blm31pg121sn1 blm31pg601sn1 1 10 100 1000 3000 frequency (mhz) impedance ( ? ) 45 30 15 0 z r x 60 noise suppression products/emi suppression filters > emifil r (inductor type) > chip ferrite bead derating of rated current impedance-frequency characteristics (main items) impedance-frequency characteristics blm31pg330sn1 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 general 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 > emifil r (inductor type) > chip ferrite bead impedance-frequency characteristics blm31pg500sn1 impedance-frequency characteristics blm31pg121sn1 impedance-frequency characteristics blm31pg391sn1 impedance-frequency characteristics blm31pg601sn1 ! 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 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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