BL p (Part Number) Part Numbering Chip Ferrite Bead BL M 18 AG 102 q w e r t N S 1 D y u i o tImpedance Expressed by three figures. The unit is in ohm () at 100MHz. The first and second figures are significant digits, and the third figure expresses the number of zeros which follow the two figures. qProduct ID Product ID BL Chip Ferrite Beads Code Type yElectrode wType Expressed by a letter. Ex.) A Array Type M Ferrite Bead Single Type eDimensions (LgW) Code Electrode S/T Sn Plating A Au Plating Code Dimensions (LgW) EIA 02 0.4g0.2mm 01005 Code Category 03 0.6g0.3mm 0201 N Standard Type 15 1.0g0.5mm 0402 18 1.6g0.8mm 0603 2A 2.0g1.0mm 0804 21 2.0g1.25mm 0805 31 3.2g1.6mm 1206 41 4.5g1.6mm 1806 uCategory iNumber of Circuits Code Number of Circuits 1 1 Circuit 4 4 Circuits rCharacteristics/Applications Code *1 AX Series Characteristics/Applications AG BLM03/15/18/21, BLA2A/31 for General Use BLM02/03/15 TG BLM18 BA BLM15/18 BB BC BLM03/15/18/21, BLA2A for High-speed Signal Lines BLM03/15 BD BLM03/15/18/21, BLA2A/31 BX BLM02 PD BLM15 PG for Power Supplies PX KG SG for Power Supplies (Low DC Resistance Type) RK for Digital Interface HG for GHz Band General Use EG for GHz Band General Use (Low DC Resistance Type) HB HD BLM03/15/18/21/31/41 BLM03/15 BLM18 BLM18/21 BLM03/15/18 BLM15/18 BLM15/18 for GHz Band High-speed Signal Lines HE BLM03/15/18 BLM18 HK for GHz Band Digital Interface BLM18 GA for High-GHz Band High-speed Signal Lines BLM15 GG for High-GHz Band General Use BLM15/18 *1 Frequency characteristics vary with each code. oPackaging Code Packaging K Embossed Taping (o330mm Reel) L Embossed Taping (o180mm Reel) Series BLM21 *1/31/41 B Bulk J Paper Taping (o330mm Reel) BLM03/15/18 *3/21 *2, BLA2A/31 D Paper Taping (o180mm Reel) BLM02/03/15/18/21 *2, BLA2A/31 *1 BLM21BD222SN1/BLM21BD272SN1 only. All Series *2 Except BLM21BD222SN1/BLM21BD272SN1 *3 Except BLM18T