BL p (Part Number) Part Numbering Chip Ferrite Bead BL M 18 AG 102 q w e r t S N 1 D y u i o tImpedance Expressed by three figures. The unit is in ohm (Ω) 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 yElectrode wType Expressed by a letter. Code Type A Array Type Code Electrode E DC Bias Characteristics Improved Type S/T Sn Plating M Ferrite Bead Single Type A Au Plating Ex.) eDimensions (LgW) uCategory Code Dimensions (LgW) EIA Code Category 02 0.4g0.2mm 01005 N Standard Type 03 0.6g0.3mm 0201 15 1.0g0.5mm 0402 18 1.6g0.8mm 0603 Code 2A 2.0g1.0mm 0804 1 1 Circuit 21 2.0g1.25mm 0805 4 4 Circuits 31 3.2g1.6mm 1206 32 3.2g2.5mm 1210 41 4.5g1.6mm 1806 iNumber of Circuits Number of Circuits rCharacteristics/Applications Code *1 Characteristics/Applications AG AX Series 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 BLM15 PD BLM15 PG PN for Power Lines PX KG SG BLM03/15/18/21/31/41 BLE32 BLM03/15 for Power Supplies (Low DC Resistance Type) BLM18 RK for Digital Interface HG for GHz Band General Use EB for GHz Band High-speed Signal Lines (Low Direct Current Type) BLM03 EG for GHz Band General Use (Low DC Resistance Type) BLM15/18 HB HD BLM18/21 BLM03/15/18 BLM03/15/18 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. Continued on the following page. BLp Chip Ferrite Bead Part Numbering oPackaging *1 Code Packaging K Embossed Taping (ø330mm Reel) L Embossed Taping (ø180mm Reel) Series BLE, BLM21 *1/31/41 B Bulk J Paper Taping (ø330mm Reel) BLM03/15/18 *3/21 *2, BLA2A/31 D Paper Taping (ø180mm Reel) BLM02/03/15/18/21 *2, BLA2A/31 BLM21BD222SN1/BLM21BD272SN1 only. *2 Except BLM21BD222SN1/BLM21BD272SN1 *3 Except BLM18T All Series