chip ferrite bead (part number) e dimensions (l g w) code 0.4 g 0.2mm 0.6 g 0.3mm 1.0 g 0.5mm 1.6 g 0.8mm 2.0 g 1.0mm 2.0 g 1.25mm 3.2 g 1.6mm 3.2 g 2.5mm 4.5 g 1.6mm dimensions (l g w) 01005 0201 0402 0603 0804 0805 1206 1210 1806 eia 02 03 15 18 2a 21 31 32 41 q product id bl chip ferrite beads product id w type a e m array type dc bias characteristics improved type ferrite bead single type code type r characteristics/applications code * 1 for general use characteristics/applications t impedance 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. y electrode expressed by a letter. u category n standard type code category s/t a sn plating au plating code electrode i number of circuits 1 4 1 circuit 4 circuits code number of circuits ag blm03/15/18/21, bla2a/31 ax blm02/03/15 tg blm18 for high-speed signal lines for power lines for digital interface ba blm15/18 bb blm03/15/18/21, bla2a bc blm03/15 bd blm03/15/18/21, bla2a/31 bx blm15 pg rk blm03/15/18/21/31/41 pn ble32 px blm03/15 kg blm18 pd blm15 for power supplies (low dc resistance type) sg blm03/15/18 blm03/15/18 blm18 blm18/21 for ghz band general use (low dc resistance type) for ghz band general use hg eg blm03/15/18 for ghz band high-speed signal lines (low direct current type) eb blm03 blm15/18 for ghz band high-speed signal lines hd he hb for ghz band digital interface hk blm15 blm15/18 blm18 for high-ghz band high-speed signal lines ga for high-ghz band general use gg series * 1 frequency characteristics vary with each code. ex.) part numbering bl p ty 102 q bl u s r ag e 18 1 o d w m i n continued on the following page.
o packaging k l b j d ble, blm21 * 1 /31/41 all series blm03/15/18 * 3 /21 * 2 , bla2a/31 blm02/03/15/18/21 * 2 , bla2a/31 embossed taping (?330mm reel) embossed taping (?180mm reel) bulk paper taping (?330mm reel) paper taping (?180mm reel) code packaging series * 1 blm21bd222sn1/blm21bd272sn1 only. * 2 except blm21bd222sn1/blm21bd272sn1 * 3 except blm18t bl p chip ferrite bead part numbering
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