6.1 shape and size :(dimensions are in mm ) features : ordering information : high common mode impedance at high frequency smd wcm 3216 s - 900 - 2p effects excellent noise suppression performance . (1) (2) (3) (4) (5) (6) realizes small size and low profile . (1) type : s urface m ount d evices. test equipments : (2) style : wire w ound type c ommon m ode filter. impedance: agilent e4991a rf impedance analyzer (3) dimension: l =3.2mm, w =1.6mm. with agilent 16197a test fixture . (4) design code. dcr: milli-ohm meter . (5) impedance : 900 for 90 ohm. electrical specifications at 25 . (6) 2p: 2 lines . impedance dcr rated dc characteristics : part no. @100mhz ( ? ) current rated dc current: the current when temperature of coil ( ? ) 25% max. (ma) increases up to max. t=30 . (ta=20 ) smdwcm2012s-670-2p 67 0.25 400 rated voltage : dc 50v. smdwcm2012s-900-2p 90 0.35 330 dielectric strength : 125vdc(1minute between lines) smdwcm2012s-121-2p 120 0.30 370 insulation resistance : 10m ? min(100vdc, between smdwcm2012s-181-2p 180 0.35 330 lines). smdwcm2012s-201-2p 200 0.35 330 operating temp. : -25 to 85 . smdwcm2012s-261-2p 260 0.40 300 applications : smdwcm2012s-371-2p 370 0.40 280 interface : lvds for lcd, usb 2.0, ieee 1394 . smdwcm3216s-900-2p 90 0.30 370 notebooks, personal computers and peripherals . smdwcm3216s-161-2p 160 0.40 340 smdwcm3216s-261-2p 260 0.50 310 smdwcm3216s-601-2p 600 0.80 260 smdwcm3216s-102-2p 1000 1.00 230 SMDWCM3216S-222-2P 2200 1.20 200 wire wound type common mode filter smdwcm 2012/3216 type
6.2 typical impedance v.s. frequency curve : wire wound type common mode filter smdwcm 2012/3216s type
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