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Circuit Components Business Unit / Panasonic Electronic Devices
Circuit Components Business Unit / Panasonic Electronic Devices
Co., Ltd.
Co., Ltd.
1
10
100
1000
1 10 100 1000
Frequency (MHz)
Impedance ( )
EXC2 8CE1 21U
EXC28CE900U
EXC2 8CE9 00 U
EXC2 8CE1 21U
EXC2 8CE20 1U
EXC2 8CE2 01U
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Appearance
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Dimension
Smallest Size Common Mode Noise Filter Array
Unit: mm
0.20
±
0.15
0.5
±
0.1
0.5
±
0.1
2.0
±
0.2
1.0
±
0.15
0.25
±
0.1
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Applications
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Specification
IEEE1394
connector
IEEE
Ctrl
IC
TPA-
TPA+
TPB-
TPB+
• IEEE1394 Data-Line
Common Mode
Noise Filter Array
• LVDS Data-Line
TTL → LVDS LVDS → TTL
Data LVDS
PLL
PLL
CLK
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Impedance (Typical)
Z
Z
Differential Mode
Common Mode
IEEE1394
IEEE1394
Speed Signal
S400
EXC28CE201U
Competitor (200 ohm)
1.0
1.5
2.0
2.5
0 100 200 300 400 500
Time (ns)
Voltage (V)
1.0
1.5
2.0
2.5
0 100 200 300 400 500
Time (ns)
Voltage (V)
• Bit Error countermeasure
• Radiation noise suppression
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Effect in IEEE1394
Common Mode Noise Filter Array
EXC28CE900U 90 typ. 15 max. 5 160 1.5
EXC28CE121U 120 typ. 18 max. 5 140 2.0
EXC28CE201U 200 typ. 20 max. 5 130 2.5
Rated Rated DCR
Voltage Current (ohm)
Common Differential (V DC) (mA) max.
at 100MHz
Impedance(ohm)
Part
Number
Common Mode
Differential Mode