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DLW21SN181SQ2 Datasheet(PDF) 7 Page - Murata Manufacturing Co., Ltd. |
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DLW21SN181SQ2 Datasheet(HTML) 7 Page - Murata Manufacturing Co., Ltd. |
7 / 18 page 19 1 !Note • Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc. • This catalog 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. On-Board Type (DC) EMI Suppression Filters (EMIFILr) Chip Ferrite Beads BLM03/BLM15/BLM18/BLM21/BLM31/BLM41 Series s Features (BLM_A Series) 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 frequency 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. The nickel barrier structure of the external electrodes provides excellent solder heat resistance. BLM_A series generates an impedance from the relatively low frequencies. Therefore BLM_A series is effective in noise suppression in a wide frequency range (30MHz - several hundred MHz). The small size of BLM03 series (0.6x0.3mm) is suitable for noise suppression in small equipment such as PA modules for cellular phones. s Equivalent Circuit (Resistance element becomes dominant at high frequencies.) BLM03A Series (0201 Size) (in mm) 0.6 ±0.03 0.3 ±0.03 0.15 ±0.05 : electrode Part Number Impedance (at 100MHz/20 °C) (ohm) Rated Current (mA) DC Resistance (max.) (ohm) Operating Temperature Range ( °C) BLM03AG100SN1 10 (Typ.) 500 0.1 -55 to +125 BLM03AG700SN1 70 (Typ.) 200 0.5 -55 to +125 BLM03AG121SN1 120 ±25% 200 0.8 -55 to +125 BLM03AG241SN1 240 ±25% 100 1.0 -55 to +125 Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this PDF catalog to prevent smoking and/or burning, etc. This catalog has only typical specifications. Therefore, you are requested to approve our product specifications or to transact the approval sheet for product specifications before ordering. !Note C31E12.pdf 04.8.30 |
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