Product Name : WCM
For USB2.0 IEEE1394 Lan Interface
Model : WCM

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SMD COMMON MODE CHOKE --> WCM TYPE |
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FEATURE Lowprofile and very small size SMD Design, Wound Chip constructure with standard 0805 and 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.
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ORDERING CODE.

(1) Product TypeCode (2) Product Size Code (3) Impedance Code (4) Taping Code
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Appearance and Dimensions (mm) 
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UNIT : mm(inch) |
SIZE CODE |
A |
B |
C |
D1 TYP |
D2 TYP |
F TYP |
G TYP |
H TYP |
I TYP |
Series Spec. |
WCM-2012 (0805) |
2.00±0.20 ( 0.079±0.008) |
1.20±0.20 ( 0.047±0.008) |
1.20±0.20 ( 0.047±0.008) |
0.45 (0.018) |
0.40 (0.016) |
0.40 (0.016) |
1.20 (0.047) |
0.80 (0.031) |
2.60 (0.102) |
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WCM-3216 (1206) |
3.20±0.20 ( 0.126±0.008) |
1.60±0.20 ( 0.063±0.008) |
2.00±0.20 ( 0.079±0.008) |
0.60 (0.024) |
0.60 (0.024) |
0.40 (0.016) |
1.60 (0.063) |
1.60 (0.063) |
3.70 (0.146) |
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WCM-3225 (1210) |
3.30±0.20 ( 0.129±0.008) |
2.60±0.20 ( 0.102±0.008) |
2.50±0.15 ( 0.098±0.008) |
0.50 (0.020) |
0.90 (0.350) |
0.60 (0.023) |
3.50 (0.137) |
1.60 (0.063) |
4.00 (0.157) |
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WCM-4525 (1810) |
4.80±0.20 ( 0.189±0.008) |
2.80±0.20 ( 0.110±0.008) |
2.20±0.20 ( 0.087±0.008) |
0.75 (0.030) |
0.75 (0.030) |
0.70 (0.027) |
2.70 (0.106) |
3.00 (0.118) |
5.50 (0.216) |
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WCM-4532 (1812) |
4.50±0.20 ( 0.177±0.008) |
3.20±0.20 ( 0.126±0.008) |
2.80±0.20 ( 0.110±0.008) |
1.00 (0.039) |
1.00 (0.039) |
0.40 (0.016) |
3.60 (0.141) |
2.10 (0.082) |
4.90 (0.192) |
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WCM-453226 (1812) |
4.50±0.20 ( 0.177±0.008) |
3.20±0.20 ( 0.126±0.008) |
2.60±0.20 ( 0.102±0.008) |
1.00 (0.039) |
1.00 (0.039) |
0.40 (0.016) |
3.60 (0.141 |
2.10 (0.082) |
4.90 (0.192) |
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WCM-453228 (1812) |
4.50±0.20 ( 0.177±0.008) |
3.20±0.20 ( 0.126±0.008) |
2.80±0.20 ( 0.110±0.008) |
1.00 (0.039) |
1.00 (0.039) |
0.40 (0.016) |
3.60 (0.141) |
2.10 (0.082) |
4.90 (0.192) |
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1. Other sizes are available upon request. 2. 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. |