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參數(shù)資料
| 型號(hào)： | 101X18W473MV4R |
| 元件分類： | 數(shù)據(jù)傳輸濾波器 |
| 英文描述： | 1 FUNCTIONS, 100 V, DATA LINE FILTER |
| 封裝： | EIA STD PACKAGE SIZE 1206, 3 PIN |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 980K |
| 代理商： | 101X18W473MV4R |
3
www.johanson dielectrics.com
EMI Filtering with X2Y
Many experts agree that balance is the key to a “quiet” circuit. X2Y is a balanced circuit device with two equal halves, tightly matched
in both phase and magnitude with respect to ground. This effectively eliminates the need for a common mode choke*. Several
advantages are gained by two balanced capacitors sharing a single ceramic component body.
Other X2Y Filter Applications
DC-DC converters, power I/O, connectors (RJ45, D-sub), audio/voice/data, CAN, high-speed differential.
Effectively replaces common mode chokes, inductors, ferrites and feedthru capacitors.
Exceptional common mode rejection
Effects of aging & temperature are equal on both caps
Effect of voltage variation eliminated
Matched line-to-ground capacitance
Common Mode Choke Replacement
In this example, a 5 H common mode choke is replaced by an
0805, 1000pF X2Y component acheiving superior EMI filtering by a
component a fraction of the size and cost.
Common Mode Choke
9.0 x 6.0 x 5.0 mm
X2Y
2.0 x 1.3 x 1.0 mm
DC Motor EMI Reduction: A Superior Solution
One X2Y component has successfully replaced 7 discrete filter
components while achieving superior EMI filtering.
InAmp Input Filter Example
In this example, a single Johanson X2Y component was used to filter noise at the input of a DC
instrumentation amplifier. This reduced component count by 3-to-1 and costs by over 70% vs.
conventional filter components that included 1% film Y-capacitors.
Parameter
X2Y
10nF
Discrete
10nF, 2 @ 220 pF
Comments
DC offset shift
< 0.1 V
Referred to input
Common mode rejection
91 dB
92 dB
Source: Analog Devices, “A Designer’s Guide to Instrumentation Amplifiers (2nd Edition)” by Charles Kitchin and Lew Counts
Signal Line Filter for USB & RJ45
One X2Y component can effectively filter high speed signal lines
replacing replacing multiple inductive and ferrite components.
Signal lines filtered with X2Y
Signal lines filtered with LC Filter Chip
No Filter
CMC 5uH
X2Y 1000pF
Ambient
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