KNF21200-W3 [KYOCERA AVX]
Data Line Filter, 1 Function(s), 25V, 0.15A, ROHS COMPLIANT, EIA STD PACKAGE SIZE 0805, 3 PIN;
| 型号： | KNF21200-W3 |
| 厂家： | 
KYOCERA AVX |
| 描述： | Data Line Filter, 1 Function(s), 25V, 0.15A, ROHS COMPLIANT, EIA STD PACKAGE SIZE 0805, 3 PIN LTE |
| 文件： | 总2页 (文件大小：80K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
EMI Filters
KNF Series
Features
• Distributed constant type LC filter.
Prevents ringing caused by circuit
impedance.
How to Order
KNF 21 050 - W 3
q
w
e
r t
Suitable for high speed digital circuits and
video signal lines.
• Stable noise attenuation over wide
frequency ranges.
• Low profile (T=0.95mm max.) suitable for
miniature electronic equipments.
• First class auto-placement
qSeries
wSize
21
EIA
:0805
(EIAJ)
(2012)
eFrequency
025
050
25MHz
50MHz
200
400
200MHz
400MHz
100
100MHz
Applications
• PCs, Laser Printers, Cellular Phone, Clock
Data Lines for LCD Display
rTaping Direction (See Fig 1)
W: Standard
tQuantity per Reel
RoHS Conforming
• High Speed Video Signal Circuits and
interface circuits
3
3000pcs
• High Speed Digital Circuits
• Anti-Noise Solution
Achieves effective noise suppression in
noisy high speed circuits without signal
waveform distortion
Dimensions
(Unit : mm)
Specifications
Cut off
Freq.
(MHz)
Capacitance
(+50/-20%)
(pF)
20dB Attenuation
(Typical)
Rated
Rated
Part Number
L
current(mA) voltage(VDC)
Input
Direction
Mark
KNF21025
KNF21050
KNF21100
KNF21200
KNF21400
25MHz
50MHz
235pF
130pF
65pF
33pF
17pF
200– 600MHz
350– 850MHz
450– 950MHz
700–1200MHz
900–1400MHz
W
IN
OUT
100MHz
200MHz
400MHz
150mA
25VDC
T
GND
Q
KNF21
∗Cut off Frequency at Attenuation typical 3dB, Max 6dB
Operating Temperature: -25 to 85(°C)
L
W
T
2.0 0.2
1.25 0.2
0.8 0.15
0.4 0.3
Q
Frequency Characteristics
KNF21 Series
10
0
IN
OUT
-10
KNF21025
-20
-30
-40
-50
KNF21050
KNF21100
KNF21200
KNF21400
GND
1
10
100
1000
10000
Equivalent Circuit
Frequency(MHz)
EMI Filters
KNF Series
<Impedance Matching Free>
Output Waveform(Clock frequency 25MHz)
•
Stable attenuation against impedance change
R
LC filter
KNF21100
• Good impedance matching without ringing
on distortion even at the time of IC ON/OFF
and pattern layout change
1MΩ
Test circuit
LVC74
LVC04
filter
R
25MHz
300Ω
Test point
<No Ringing>
Excellent Impedance Matching
KNF series
Output waveform
LC filter
Output waveform
No filter
Output waveform
• Wide attenuation up to high frequency range
without distortion
Wide Attenuation Bandwidth
KNF21100
LC Filter (T-Type)
120
100
120
100
Test Circuit
Original
80
60
40
80
60
40
Original
Filter passed
LVC74
filter
Filter passed
50mm
25MHz
25 125 225 325 425 525 625 725 825 925
Frequency(MHz)
25 125 225 325 425 525 625 725 825 925
Frequency(MHz)
Test point
Recommended Land Pattern
(Unit : mm)
Packaging Specification (Fig.1)
• Taping (3,000/reel)
(Unit : mm)
Through Hole
D
Resist
Taping Direction(W)
Q
W(Standard)
4.0
P
C
T
Conductor
Resist
Direction of Feed
T
W
R
C
P
Q
S
D
U
KNF21 3.20 2.30 1.00 1.20 0.80 0.40 0.60 0.3-0.4 2.00
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