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BLM18BD221SN1 Dataheets PDF



Part Number BLM18BD221SN1
Manufacturers Murata
Logo Murata
Description On-Board Type (DC) EMI Suppression Filters
Datasheet BLM18BD221SN1 DatasheetBLM18BD221SN1 Datasheet (PDF)

CAUTION catalog to prevent smoking and/or burning, Pleaseread readrating ratingand and! ! CAUTION(for (forstorage, storage,operating, operating,rating, rating,soldering, soldering,mounting mountingand andhandling) handling)in inthis thisPDF catalog to prevent smoking and/or burning, etc. etc. !Note •Please specifications. you are requested todetailed approvespecifications. our product specifications or to transact the approval for product before ordering. •This Thiscatalog cataloghas hasonly on.

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CAUTION catalog to prevent smoking and/or burning, Pleaseread readrating ratingand and! ! CAUTION(for (forstorage, storage,operating, operating,rating, rating,soldering, soldering,mounting mountingand andhandling) handling)in inthis thisPDF catalog to prevent smoking and/or burning, etc. etc. !Note •Please specifications. you are requested todetailed approvespecifications. our product specifications or to transact the approval for product before ordering. •This Thiscatalog cataloghas hasonly onlytypical typical specificationsTherefore, because there is no space for Therefore, please approve our productsheet specifications or specifications transact the approval sheet for product specifications before ordering. C31E12.pdf 04.8.30 www.DataSheet4U.com On-Board Type (DC) EMI Suppression Filters (EMIFILr) Chip Ferrite Beads Part Numbering Chip Ferrite Beads (Part Number) qProduct ID Product ID BL wType Code A M eDimensions (LgW) Code 03 15 18 2A 21 31 41 Dimensions (LgW) 0.6g0.3mm 1.0g0.5mm 1.6g0.8mm 2.0g1.0mm 2.0g1.25mm 3.2g1.6mm 4.5g1.6mm EIA 0201 0402 0603 0804 0805 1206 1806 iNumber of Circuits Code 1 4 rCharacteristics/Applications Code *1 AG TG BA BB BD PG RK HG EG HB HD HK GG for Power Supplies for Digital Interface for GHz Band General Use for GHz Band General Use (Low DC Resistance type) for GHz Band High-speed Signal Line for GHz Band Digital Interface for High-GHz Band General Use for High-speed Signal Lines Characteristics/Applications for General Use BLM18 BLM18 BLM15/BLM18/BLM21/BLA2A BLM15/BLM18/BLM21/BLA2A/BLA31 BLM15/BLM18/BLM21/BLM31/BLM41 BLM18/BLM21 BLM15/BLM18 BLM18 BLM15/BLM18 BLM18 BLM18 Series BLM03/BLM15/BLM18/BLM21/BLM31/BLA2A/BLA31 Number of Circuits 1 Circuit 4 Circuits uCategory Code N H Category Standard Type For Automotive Type Array Type Monolithic Type Chip Ferrite Beads BL q M w 18 e AG r 102 t S N 1 D tImpedance Expressed by three figures. The unit is in ohm (Ω). The first and second figures are significant digits, and the third figure expresses the number of zeros which follow the two figures. yPerformance Expressed by a letter. Ex.) Code S/T A Performance Sn Plating Au Plating 1 y u i o *1 Frequency characteristics vary with each code. oPackaging Code K L B J D C Packaging Plastic Taping (ø330mm Reel) Plastic Taping (ø180mm Reel) Bulk Paper Taping (ø330mm Reel) Paper Taping (ø180mm Reel) Bulk Case Series BLM31/BLM41/BLM21 *1 All series BLM15/BLM18/BLM21*2 /BLA31 BLM03/BLM15/BLM18/BLM21*2 /BLA2A/BLA31 BLM15/BLM18 *1 BLM21BD222SN1/BLM21BD272SN1 only. *2 Except BLM21BD222SN1/BLM21BD272SN1 13 CAUTION catalog to prevent smoking and/or burning, Please read read rating rating and and ! ! CAUTION (for (for storage, storage, operating, operating, rating, rating, soldering, soldering, mounting mounting and and handling) handling) in in this this PDF catalog to prevent smoking and/or burning, etc. etc. !Note •Please you are requested todetailed approve our product specifications or to transact the approval for product before ordering. • This Thiscatalog cataloghas hasonly onlytypical typicalspecifications. specificationsTherefore, because there is no space for specifications. Therefore, please approve our productsheet specifications or specifications transact the approval sheet for product specifications before ordering. C31E12.pdf 04.8.30 www.DataSheet4U.com On-Board Type (DC) EMI Suppression Filters (EMIFILr) Chip Ferrite Bead BLM Series 1 Essential for Noise Suppression in High Speed Signal Lines and DC Power Lines The chip ferrite bead BLM series comprises ferrite beads in the shape of a chip. This ferrite bead generates a high impedance which at high frequencies mainly consists of a resistance element. The BLM series is effective in circuits without stable ground lines because the BLM series does not need a connection to ground. Chip sizes of 0.6x0.3, 1.0x0.5, 1.6x0.8, 2.0x1.25, 3.2x1.6 and 4.5x1.6mm are cataloged. (The BLA series of array type chip ferrite beads is also cataloged.) The nickel barrier structure of the external electrodes provides excellent solder heat resistance. !Features The BLM series comprises the R series (for digital interface), the A series (for standard), the B series (for high speed signal), the P series (for large current), and the H/E/G series (for GHz range noise suppression). 1. BLM--R series – For Digital Interface The BLM-R series can be used in Digital Interface. Resistance of BLM-R series especially grows in the lower frequency range. Therefore BLM-R series is less effective for digital signal waveform at low frequency range and can suppress the ringing. 2. BLM--A/T series – For Standard The BLM-A series generates an impedance from the relatively low frequencies. Therefore the BLM-A series is effective in noise suppression in the wide frequency range (30MHz – several hundred MHz). 3. BLM--B series – For High Speed Signal The BLM-B series can minimize attenuation of the signal waveform due to its sharp impedance characteristics. Va.


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