SPECIFICATION OF WCM SERIES FEATURES Lowprofile and very small size SMD Design, Wound Chip constructure with standard 0805 to 1812 size, with best EMI suppression effect but least impact to data signal wave form. APPLICATIONS Preventive measure against high speed signal radiation emissions such as USB 2.0, IEEE1394 or LAN interface. Best for NB, DSC, mobile device design. ORDERING CODE (1) PRODUCT TYPE CODE (2) PRODUCT SIZE CODE (3) IMPEDANCE (4) TAPING UNIT:mm (inch) APPEARANCE & DIMENSIONS D1 D2 F G H I SIZE CODE A B C TYP TYP TYP TYP TYP TYP 2.000.20 1.200.20 1.200.20 WCM-2012 0.45 0.40 0.40 1.20 0.80 2.60 (0805) (0.0790.008) (0.0470.008) (0.0470.008) (0.018) (0.016) (0.016) (0.047) (0.031) (0.102) 3.200.20 1.600.20 2.000.20 WCM-3216 0.60 0.60 0.40 1.60 1.60 3.70 (1206) (0.1260.008) (0.0630.008) (0.0790.008) (0.024) (0.024) (0.016) (0.063) (0.063) (0.146) WCM-4525 4.800.20 2.800.20 2.200.20 0.75 0.75 0.70 2.70 3.00 5.50 (0.1890.008) (0.1100.008) (0.0870.008) (1810) (0.030) (0.030) (0.027) (0.106) (0.118) (0.216) WCM-4532 4.500.20 3.200.20 2.800.20 1.00 1.00 0.40 3.60 2.10 4.90 (0.1770.008) (0.1260.008) (0.1100.008) (1812) (0.039) (0.039) (0.016) (0.141) (0.082) (0.192) WCM-453226 4.500.20 3.200.20 2.600.20 1.00 1.00 0.40 3.60 2.10 4.90 (0.1770.008) (0.1260.008) (0.1020.008) (1812) (0.039) (0.039) (0.016) (0.141) (0.082) (0.192) WCM-453228 4.500.20 3.200.20 2.800.20 1.00 1.00 0.40 3.60 2.10 4.90 (1812) (0.1770.008) (0.1260.008) (0.1100.008) (0.039) (0.039) (0.016) (0.141) (0.082) (0.192) All the data listed in this catalogue are for reference only, King Core reserves the right to alter or revise the specifications without prior notification. KING CORE ELECTRONICS INC. No.269,Nanfong Rd.,Pingjhen City,Taoyuan County, Taiwan Tel:886-3-4698855 Fax:886-3-4691395 E-mail:kc mail.kingcore.com.tw Web Site:COMMON MODE CHOKE WCM-2012 SERIES ELECTRICAL CHARACTERISTICS Impedance Tolerance Test Frequency DC Resistance Rated Current ORDERING CODE ( )% (MHz) ( )max (mA)max WCM-2012-120T 12 25% 100 0.20 450 24 25% 100 0.25 420 WCM-2012-240T 32 25% 100 0.25 400 WCM-2012-320T WCM-2012-500T 50 25% 100 0.25 400 WCM-2012-670T 67 25% 100 0.25 400 75 25% 100 0.70 280 WCM-2012-750T WCM-2012-900T 90 25% 100 0.30 400 WCM-2012-121T 120 25% 100 0.30 370 140 25% 100 0.32 360 WCM-2012-141T WCM-2012-161T 160 25% 100 0.35 350 WCM-2012-181T 180 25% 100 0.35 330 200 25% 100 0.40 300 WCM-2012-201T 220 25% 100 0.40 300 WCM-2012-221T WCM-2012-261T 260 25% 100 0.40 300 WCM-2012-371T 370 25% 100 0.45 280 WCM-2012-120T WCM-2012-240T WCM-2012-320T WCM-2012-500T 1000 100 1000 1000 COMMON MODE COMMON MODE COMMON MODE COMMON MODE 100 10 100 100 10 1 10 10 0.1 1 1 1 NORMAL MODE NORMAL MODE NORMAL MODE NORMAL MODE 0.01 0.1 0.1 0.1 1 10 100 1000 1 10 100 1000 1 10 100 1000 1 10 100 1000 FREQ(MHZ) FREQ(MHZ) FREQ(MHz) FREQ(MHZ) WCM-2012-670T WCM-2012-750T WCM-2012-900T WCM-2012-121T 1000 1000 1000 1000 COMMON MODE COMMON MODE COMMON MODE COMMON MODE 100 100 100 100 10 10 10 10 1 1 1 1 NORMAL MODE NORMAL MODE NORMAL MODE NORMAL MODE 0.1 0.1 0.1 0.1 1 10 100 1000 1 10 100 1000 1 10 100 1000 1 10 100 1000 FREQ(MHZ) FREQ(MHZ) FREQ(MHZ) FREQ(MHZ) WCM-2012-141T WCM-2012-161T WCM-2012-181T WCM-2012-201T 1000 1000 1000 1000 COMMON MODE COMMON MODE COMMON MODE COMMON MODE 100 100 100 100 10 10 10 10 1 1 1 1 NORMAL MODE NORMAL MODE NORMAL MODE NORMAL MODE 0.1 0.1 0.1 0.1 1 10 100 1000 1 10 100 1000 1 10 100 1000 1 10 100 1000 FREQ(MHZ) FREQ(MHZ) FREQ(MHZ) FREQ(MHZ) Design as Customer s Requested Specifications. All the data listed in this catalogue are for reference only, King Core reserves the right to alter or revise the specifications without prior notification. KING CORE ELECTRONICS INC. No.269,Nanfong Rd.,Pingjhen City,Taoyuan County, Taiwan Tel:886-3-4698855 Fax:886-3-4691395 E-mail:kc mail.kingcore.com.tw Web Site: