SMD TYPE Common-Mode Choke APPLICATIONS FEATURES K 08 M 02 K 08 M 05 For use in xDSL interfaces Effective reduction of C. M. noise caused by AM broadcast or HAM radio Isolation 1500V line to line High performance Low cost Compact size o ELECTRICAL CHARACTERISTICS @25 C PART NO. DC Resistance ( ) Max CMK08M02SM CMK08M03SM CMK08M05SM 1.5 0.25 1.5 Common Mode Attenuation (dB TYP) 500 KHz 1 MHz 10 MHz 45 49 35 21 32 45 49 35 MECHANICAL CONSTRUCTION Isolation Voltage (Vrms) 1500 1500 1500 SCHEMATICS CMK08M02SM/CMK08M05SM CMK08M02SM/CMK08M03SM CMK08M03SM 4 5 8 7 6 5 1 8 1 2 3 4 1.35 UNIT : mm / inch A = 8.90 0.254 / 0.394 B = 6.20 0.254 / 0.252 C = 5.00 0.254 / 0.177 D = 7.00 0.254 / 0.354 E = 2.54 / 0.100 (TYP) F = 0.76 / 0.051 (TYP) G = 0.30 / 0.012 (REF) H = 1.25 / 0.049 (REF) 8.5 B D K08M02 4.5 A DATE CODE E F ATTENUATION CMK08M02SM ATTENUATION (dB) C G 2.54 0.010 0.010 0.010 0.010 H CMK08M05SM A 0 -20 -40 -60 500KHz 1 10 500 G C 2.54 E F UNIT : mm / inch A = 8.90 0.254 / 0.394 0.010 B = 6.20 0.254 / 0.252 0.010 C = 7.62 / 0.300 MAX D = 7.00 0.254 / 0.354 0.010 E = 2.54 / 0.100 (TYP) F = 0.76 / 0.051 (TYP) G = 0.30 / 0.012 (REF) H = 1.25 / 0.049 (REF) CMK08M03SM/CMK08M05SM ATTENUATION (dB) DATE CODE 8.5 1.35 4.5 K08M05 B D FREQUENCY (MHz) 0 -20 -40 CMK08M03SM -60 300KHz H CMK08M05SM 1 10 FREQUENCY (MHz) DELTA ELECTRONICS, INC. (TAOYUAN PLANT CPBG) 252, SHANG YING ROAD, KUEI SAN, TAOYUAN HSIEN 333, TAIWAN, R.O.C. TEL: 886-3-3591968; FAX: 886-3-3591991 http://www.deltaww.com/products/networking/power.htm B-24 100 500 1000