Features
• 0805 Size. Rated Current up to 2A.
• Particularly Effective for Filtering Power
(Vcc) Lines.
Applications
• PCs, Laser Printers, Cellular Phone,
Power/Signal Lines for LCD Display, Office
Equipments
• AV Power Supply/Signal Line, TV, VCR, etc.
• High current signal Lines
Dimensions (Unit : mm)
Specification Attenuation Characteristics
How to Order
KNH 21 104 - 3 AA
qSeries
wSize EIA (EIAJ)
21: 0805 (2012)
eCapacitance Value
rQuantity per Reel
tCode(AA : STD)
qwert
104 100nF 101 100pF
473 47nF 470 47pF
471 470pF 220 22pF
221 220pF
33000pcs
Direct-current
resistance(Ω)
Rated Voltage
(VDC)
Rated Current
(A)
Capacitance
Value(pF)
(+50/-20%)
Type
KNH21104
KNH21473
KNH21471
KNH21221
KNH21101
KNH21470
KNH21220
100,000 2.0 25 ≤0.02
47,000 2.0 50 ≤0.02
470 1.0 50 ≤0.08
220 1.0 50 ≤0.08
100 1.0 50 ≤0.08
47 1.0 50 ≤0.08
22 1.0 50 ≤0.08
Attenuation(dB)
Frequency(MHz)
-50
-60
-70
-40
-30
-20
-10
0
10
110100 1000 10000
Operating Temperature: -25 to 85(°C)
KNH21104
KNH21473
KNH21220
KNH21470
KNH21101
KNH21221
KNH21471
2.0±0.20
0.4±0.30
1.25±0.20
0.85±0.15
IN-OUT
GND
EMI Filters
(KNH Series)
<Electrical Characteristics>
•
Wide attenuation range including surrounding
circuit.
Recommended land pattern (Unit : mm)
(Unit : mm)
Packaging specification
• Taping(3000/reel)
Test circuit
Attenuation Effect of Power Supply Noise
KNH series LC filter
Test point
VDD(3.3V)
LVC74
25MHz
filter
25
60
55
50
45
40
35
30 925825725625525
FREQ(MHz)
Spectrum attenuation(dBuV)
425325225125
Original
Filter passed
Original
Filter passed
25
60
55
50
45
40
35
30 925825725625525
FREQ(MHz)
Spectrum attenuation(dBuV)
425325225125
0.80
1.20
3.20
0.40
0.60
Through Hole
0.3–0.4
Resist
Resist
Conductor
1.00
2.30
4.0
8.0
2.00
EMI Filters
(KNH Series)
