Series Stable attenuation without ringing with distributed parame
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Noise Filters
Series
Stable attenuation without ringing with distributed parameter circuit profile (1mm, 0.04 1206 type Simple construction
Order
Series Size: 32=1206, 21=0805 Type (Freq.): 1206: 025=25MHz, 050=50MHz 100=100MHz, 200=200MHZ 0805: 050=50MHz, 100=100MHz 200=200MHz, 400=400MHz Taping direction
Applications
Personal computers, :Clock output (signal) line :I/O line (ex. video signal line such VGA, XGA) Digital cellular phones Other high speed digital circuits, example digital
(STD)
Quantity reel: 2=2000p, 3=3000p
Shape Dimensions
(0.126)
2.0±0.20 (.079)
Equivalent Circuit
1.25±0.20 (.049)
(0.063)
0.01
Polarity Mark
Input Direction Mark (0.040)
08±0.15 (.031)
(0.024)
0.3±0.20 (.012)
0.4±0.30 (.016)
0.3±0.20 (.012)
Unit: (inch)
Specifications
Type KNF32025 KNF32050 KNF32100 KNF32200 KNF21050 KNF21100 KNF21200 KNF21400 Freq. 25MHz 50MHz 100MHz 200MHz 50MHz 100MHz 200MHz 400MHz Capacitance (+50/-20%) 235pF 130pF 65pF 33pF 130pF 65pF 33pF 17pF Typical Attenuation (dB) (200-600MHz) (350-850MHz) (450-950MHz) (600-1100MHz) (350-850MHz) (450-950MHz) (700-1200MHz) (900-1400MHz)
Performance Characteristics
Attenuation (dB)
200MHz 100MHz
1000 2000 Frequency (MHz)
50MHz 25MHz
Rated voltage: 25VDC Rated current: 200mA Attenuation frequency: max. -6dB Attenuation characteristics should standard characteristics (MIL-STD-220A
Noise Filters
Series
Typical Example Suppression
KNF32050
Spectrum Attenuation (dB)
20ns
Distributed Parameter Circuit
OUTPUT WAVE FORM
ORIGINAL WAVE FORM
20ns
Frequency (MHz)
Filter
Spectrum Attenuation (dB)
20ns
Lumped Parameter Circuit
74HC04 FILTER 74HC00
10MHz Measuring Point
15cm
Frequency (MHz)
Land Pattern
Ground Resist
Resist Through Hole
(0.024)
(0.024)
(0.055)
(0.118)
(.039)
(.091)
0.6(0.024) 1.2(0.047) 2.5(0.10) 4.4(0.173)
3.2(.126)
0.4(.016) 0.8(.031) 1.2(.047)
Unit: (inch)
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