Noise Suppression Products/EMI Suppression Filters > Chip EMIFILr Inductor Type > Chip Ferrite Beads Data Sheet 1 Chip EMIFILr Inductor Type Chip Ferrite Beads BLM21A Series (0805 Size) o For your new designs, alternative parts should be used. These parts should be used only for existing design. Please consult with us for details. ■ 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 BLM21AJ401SN1p 400ohm±25% - 200mA 0.85ohm -55°C to +125°C 1 BLM21AJ601SN1p 600ohm±25% - 200mA 1.10ohm -55°C to +125°C 1 BLM21AH102SN1p 1000ohm±25% - 200mA 0.45ohm -55°C to +85°C 1 Part Number ■ Impedance-Frequency Characteristics ■ Impedance-Frequency Characteristics BLM21AJ401SN1 BLM21AJ601SN1 800 500 400 300 Impedance (Ω) Impedance (ohm) 600 Z R 200 Z R 400 200 X 100 X 0 0 1 10 100 1000 1 10 Frequency (MHz) 100 1000 Frequency (MHz) Continued on the following page. o This data sheet is applied for CHIP FERRITE BEAD used for General 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. 2007.11.1 http://www.murata.com/ Noise Suppression Products/EMI Suppression Filters > Chip EMIFILr Inductor Type > Chip Ferrite Beads Data Sheet 2 Continued from the preceding page. ■ Impedance-Frequency Characteristics BLM21AH102SN1 1200 900 Impedance (Ω) Z R 600 X 300 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 General 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. 2007.11.1 http://www.murata.com/