Noise Suppression Products/EMI Suppression Filters > For Automotive > Chip Ferrite Beads for Automotive Data Sheet For Automotive 1 Chip Ferrite Beads for Automotive BLM21P Series (0805 Size) ■ Dimension ■ Equivalent Circuit 0.85±0.2 0.5±0.2 1.25±0.2 2.0±0.2 (Resistance element becomes dominant at high frequencies.) EIA CODE : 0805 (in mm) ■ Packaging Code Packaging Minimum Quantity D 180mm Paper Tape 4000 J 330mm Paper Tape 10000 B Bulk(Bag) 1000 ■ Rated Value (p: packaging code) Impedance (at 100MHz/20°C) Impedance (at 1GHz/20°C) Rated Current DC Resistance (max.) Operating Temperature Range Number of Circuits BLM21PG220SH1p 22ohm±25% - 6000mA 0.01ohm -55°C to +125°C 1 BLM21PG300SH1p 30ohm(Typ.) - 3000mA 0.015ohm -55°C to +125°C 1 BLM21PG600SH1p 60ohm±25% - 3000mA 0.025ohm -55°C to +125°C 1 BLM21PG221SH1p 220ohm±25% - 2000mA 0.050ohm -55°C to +125°C 1 BLM21PG331SH1p 330ohm±25% - 1500mA 0.09ohm -55°C to +125°C 1 Part Number Continued on the following page. o This data sheet is applied for CHIP FERRITE BEAD used for Automotive Electronics equipment for your design. ! Note: 1. This datasheet is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’s specifications 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 specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. 2006.3.9 http://www.murata.com/ Noise Suppression Products/EMI Suppression Filters > For Automotive > Chip Ferrite Beads for Automotive Data Sheet 2 Continued from the preceding page. ■ Notice (Rating) In operating temperatures exceeding +85D, 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] 6 6A Derated Current [A] 5 4 3 4A 3A 2.5A 2 2A 1.5A 1.4A 1.2A 1 1A 0 85 125 Operating Temperature [D] ■ Impedance-Frequency Characteristics ■ Impedance-Frequency Characteristics BLM21PG220SH1 BLM21PG300SH1 40 60 30 45 Impedance (Ω) Impedance (Ω) Z R 20 Z 30 R X 10 X 15 0 1 10 100 1000 Frequency (MHz) 0 1 10 100 1000 Frequency (MHz) Continued on the following page. o This data sheet is applied for CHIP FERRITE BEAD used for Automotive Electronics equipment for your design. ! Note: 1. This datasheet is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’s specifications 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 specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. 2006.3.9 http://www.murata.com/ Noise Suppression Products/EMI Suppression Filters > For Automotive > Chip Ferrite Beads for Automotive Data Sheet 3 Continued from the preceding page. ■ Impedance-Frequency Characteristics ■ Impedance-Frequency Characteristics BLM21PG600SH1 BLM21PG221SH1 300 Impedance (Ω) 90 Impedance (Ω) 120 400 Z 60 R Z 200 R 100 30 X X 0 0 1 10 100 1 1000 10 100 1000 Frequency (MHz) Frequency (MHz) ■ Impedance-Frequency Characteristics BLM21PG331SH1 600 Impedance (Ω) 450 Z R 300 150 X 0 1 10 100 1000 Frequency (MHz) ■ !Caution/Notice !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. o This data sheet is applied for CHIP FERRITE BEAD used for Automotive Electronics equipment for your design. ! Note: 1. This datasheet is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’s specifications 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 specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. 2006.3.9 http://www.murata.com/