SAMWHA ELECTRONICS CO., LTD

v Applications

v Features

v Dimensions & Land pattern

CMV/H 2012 Series

v Characteristics

http://www.samwha.com/chip

This description in the this catalogue is subject to change without notice

• USB lines of PCs, peripheral equipment

• LVDS lines of Note-PCs, LCDs

• USB lines of digital AV equipment such as

digital cameras

2.8±0.2

(unit : mm)

• Effective for suppressing common mode at high

frequency from several MHz to several hundreds MHz.

• CMV/H suppresses high frequency noise

that was unable to be suppressed with

existing common mode choke coils.

• Suitable for differential signal lines like USB

Impedance characteristics

Transmission characteristic

CM□2012GM221N2E

CM□2012GM181N2E

CM□2012GM121N2E

CM□2012GM900N2E

CM□2012GM700N2E

Part Number

220

180

120

90

70

Common mode

Impedance [Ω]

at 100MHz

100

100

100

100

100

Rated Current

[mA]

10

10

10

10

10

Rated Voltage

[V]

10

10

10

10

10

Insulation

Resistance

[MΩ]

1

10

100

1000

3000

1

10

100

1000

6000

1

10

100

1000

10000

-25

-20

-15

-10

-5

0

5

DC Current (mA)

181 Common mode

121 Common mode

900 Common mode

121 Differential mode

181 Differential mode

221 Differential mode

900 Differential mode

221 Common mode

Frequency (MHz)

221 Common mode

181 Common mode

121 Common mode

900 Common mode

1.1±0.1

0.80±0.15

1.25±0.2

0.40±0.2

Recommend land pattern

1.0±0.1

1.00±0.15

2.00±0.2

0.60±0.2

0.6±0.1

Recommend land pattern

□

: V, vertical type / H, horizontal type

DPS-081104

CHIP COMMON MODE FILTERS