KNF21100W3 KYOCERA, KNF21100W3 Datasheet
KNF21100W3
Manufacturer Part Number
KNF21100W3
Description
Manufacturer
KYOCERA
Type
EMI Filterr
Datasheet
1.KNF21100W3.pdf
(2 pages)
Specifications of KNF21100W3
Mounting Style
Surface Mount
Termination
Flat Style
Current Rating (max)
0.15A
Voltage Rating Max
25VDC
Product Height (mm)
0.8mm
Product Depth (mm)
1.25mm
Product Length (mm)
2mm
Lead Free Status / RoHS Status
Compliant
Dimensions
W
G
L
T
IN
1.250.2
0.80.15
EMI Filters
KNF Series
IN
GND
2.00.2
0.40.3
KNF21
Equivalent Circuit
Input Direction Mark
G
L
OUT
RoHS Compliant
OUT
(Unit : mm)
Cut off Frequency at Attenuation typical 3dB, max. 6dB
Operating Temperature: -25 to 85(°C)
Features
• Distributed constant type LC filter.
• Stable noise attenuation over wide
• Low profile (T=0.95mm max.) suitable for
• First class auto-placement
Applications
• PCs, Laser Printers, Cellular Phone, Clock
• High Speed Video Signal Circuits and
• High Speed Digital Circuits
• Anti-Noise Solution
Specifications
Frequency Characteristics
Prevents ringing caused by circuit
impedance.
Suitable for high speed digital circuits and
video signal lines.
frequency ranges.
miniature electronic equipments.
Data Lines for LCD Display
Interface Circuits
Achieves Effective Noise Suppression in
Noisy High Speed Circuits without Signal
Waveform Distortion
Part Number
KNF21 Series
KNF21025
KNF21050
KNF21100
KNF21200
KNF21400
-10
-20
-30
-40
-50
10
0
1
KNF21025
KNF21050
KNF21100
KNF21200
10
KNF21400
Frequency(MHz)
100MHz
200MHz
400MHz
Cut off
(MHz)
25MHz
50MHz
Freq.
100
1000
Capacitance
(+50/-20%)
235pF
130pF
(pF)
65pF
33pF
17pF
10000
How to Order
20dB Attenuation
①Series
②Size
③Frequency
④Taping Direction (See Fig 1)
⑤Quantity per Reel
200– 600MHz
350– 850MHz
450– 950MHz
700–1200MHz
900–1400MHz
025
050
100
KNF 21 050 - W 3
W: Standard
21
3
①
(Typical)
:0805
②
3000pcs.
EIA
100MHz
25MHz
50MHz
③
current(mA)
(EIAJ)
(2012)
150mA
Rated
④ ⑤
200
400
voltage(VDC)
200MHz
400MHz
25VDC
Rated
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KNF21100W3 Summary of contents
Page 1
EMI Filters KNF Series RoHS Compliant Dimensions (Unit : mm OUT Input Direction Mark G KNF21 L 2.00.2 W 1.250.2 T 0.80.15 G 0.40.3 IN OUT GND Equivalent Circuit Features • Distributed constant type LC filter. Prevents ringing ...
Page 2
EMI Filters KNF Series <Impedance Matching Free> • Stable attenuation against impedance change • Good impedance matching without ringing on distortion even at the time of IC ON/OFF and pattern layout change Test circuit LVC74 LVC04 filter R 25MHz Test ...