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參數(shù)資料
| 型號： | VEMI45AB-HNH-GS08 |
| 廠商： | VISHAY SEMICONDUCTORS |
| 元件分類： | 數(shù)據(jù)傳輸濾波器 |
| 英文描述： | Data Line Filter, 4 FUNCTIONS, DATA LINE FILTER, SURFACE MOUNT |
| 中文描述： | EMI/RFI Suppressors & Ferrites 4 Channel 4.0 Amp 40pF |
| 文件頁數(shù)： | 2/6頁 |
| 文件大小： | 105K |
| 代理商： | VEMI45AB-HNH-GS08 |
www.vishay.com
2
For technical questions, contact:
EMIFilter@vishay.com
Document Number: 81716
Rev. 1.5, 18-May-10
VEMI45AB-HNH
Vishay Semiconductors
4-Channel EMI-Filter with
ESD-Protection
APPLICATION NOTE
With the VEMI45AB-HNH 4 different signal or data lines can be filtered and clamped to ground. Due to the different clamping
levels in forward and reverse direction the clamping behaviour is Bidirectional and Asymmetric (BiAs).
The 4 independent EMI-filter are placed between
pin 1 and pin 8,
pin 2 and pin 7,
pin 3 and pin 6 and
pin 4 and pin 5.
They all are connected to a common ground pin 9 on the backside of the package.
The circuit diagram of one EMI-filter-channel shows two identical Z-diodes at the input to ground and the output to ground.
These Z-diodes are characterized by the breakthrough voltage level (V
BR
) and the diode capacitance (C
D
). Below the
breakthrough voltage level the Z-diodes can be considered as capacitors. Together with these capacitors and the line
resistance R
S
between input and output the device works as a low pass filter. Low frequency signals (f < f
3dB
) pass the filter
while high frequency signals (f > f
3dB
) will be shorted to ground through the diode capacitances C
D
.
Each filter is symmetrical so that both ports can be used as input or output.
L1
IN
L1
OUT
L3
IN
L3
OUT
L4
OUT
L2
IN
L2
OUT
L4
IN
20384
1
2
3
4
8
7
6
5
9
R
S
Out
(
pin 5, 6, 7, 8)
In
(pin 1, 2, 3, 4)
GND
(pin 9)
C
D
20385
C
D
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| VEMI45AC-HNH | 制造商:VISHAY 制造商全稱:Vishay Siliconix 功能描述:4-Channel EMI-Filter with ESD-Protection |
| VEMI45AC-HNH-GS08 | 功能描述:電磁干擾濾波器 4 Channel 2.0 Amp 20pF RoHS:否 制造商:STMicroelectronics 電容:12 pF 電路類型: 最大直流電流: 最大直流電阻: 電壓額定值:6 V 容差: 端接類型:SMD/SMT 工作溫度范圍:- 30 C to + 85 C 系列:EMIF03 |
| VEMI45LA-HNH | 功能描述:電磁干擾濾波器 4-Chan EMI Filter w/ESD Prot 50 Ohm RoHS:否 制造商:STMicroelectronics 電容:12 pF 電路類型: 最大直流電流: 最大直流電阻: 電壓額定值:6 V 容差: 端接類型:SMD/SMT 工作溫度范圍:- 30 C to + 85 C 系列:EMIF03 |
| VEMI45LA-HNH-GS08 | 制造商:Vishay Semiconductors 功能描述:ESD PROTECTION DIODE LLP1713-E4 制造商:Vishay Semiconductors 功能描述:ESD PROTECTION DIODE LLP1713-e4 |
| VEMI65A6-FC2-GS08 | 功能描述:電磁干擾濾波器 6-Chan EMI Filter w/ESD Prot 100 Ohm RoHS:否 制造商:STMicroelectronics 電容:12 pF 電路類型: 最大直流電流: 最大直流電阻: 電壓額定值:6 V 容差: 端接類型:SMD/SMT 工作溫度范圍:- 30 C to + 85 C 系列:EMIF03 |
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