MURATA NFM41C

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On-Board Type (DC) EMI Suppression Filters (EMIFILr)
Chip EMIFILr Capacitor Type NFM18C/NFM21C/NFM3DC/NFM41C Series
NFM18C Series
The NFM18CC series is a 1.6x0.8mm EMI suppression
filter for signal lines which has a 3-terminal
structure using Murata's multilayer technology.
■ Features
0.8±0.1
0.2 min.
1.6±0.1
1. Ultra small size in 1.6x0.8x0.6mm enable high
density mounting.
2. 3-terminal structure with low residual inductance
(ESL)* characteristics achieves large insertion
loss characteristics even in high frequency area.
3. The NFM18cc series covers capacitance range from
22 to 22000pF.
* Not exceeding one-tenth of monolithic ceramic
capacitors (2-terminal).
(1)
(3)
NFM18C
(2)
0.8±0.1
(2)
0.2±0.1
(in mm)
■ Applications
1. EMI suppression of circuit for insertion loss in
quantity.
2. Noise suppression up to GHz.
Capacitance
(pF)
Rated Voltage
(Vdc)
Rated Current
(mA)
Insulation Resistance
(min.)
(M ohm)
Operating Temperature Range
(°C)
NFM18CC220U1C3
22 +20%,-20%
16
300
1000
-55 to +125
NFM18CC470U1C3
47 +20%,-20%
16
300
1000
-55 to +125
NFM18CC101R1C3
100 +20%,-20%
16
300
1000
-55 to +125
NFM18CC221R1C3
220 +20%,-20%
16
300
1000
-55 to +125
NFM18CC471R1C3
470 +20%,-20%
16
300
1000
-55 to +125
NFM18CC102R1C3
1000 +20%,-20%
16
300
1000
-55 to +125
NFM18CC222R1C3
2200 +20%,-20%
16
300
1000
-55 to +125
NFM18CC223R1C3
22000 +20%,-20%
16
1000
1000
-55 to +125
Part Number
■ Equivalent Circuit
■ Insertion Loss Characteristics (Typical)
(50Ω - 50Ω)
0
10
20
(1) Input
Output (3)
* no polarity.
GND
(2)
Insertion Loss (dB)
2
0.4±0.1
0.6±0.1
0.25±0.1
NFM18CC223R1C3
NFM18CC222R1C3
30
NFM18CC102R1C3
NFM18CC471R1C3
NFM18CC221R1C3
40
50
NFM18CC101R1C3
NFM18CC470U1C3
60
NFM18CC220U1C3
70
80
0
74
1
10
Frequency (MHz)
100
1000 2000
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NFM21C Series
0.3±0.2
0.85±0.1
The chip "EMIFIL" NFM21C series is a chip type
3-terminal EMI suppression filter. It can reduce
residual inductance to an extremely low level making
it excellent for noise suppression at high frequencies.
0.6±0.2
2.0±0.2
■ Features
1.25±0.1
(2)
1. Small and low profile of 2.0x1.25x0.85mm
(NFM21C) enables high density mounting.
2. 3-terminal structure enables high performance in
high frequency range.
3. Uses original electrode structure which realizes
excellent solderability.
4. An electrostatic capacitance range of 22 to
22000pF enables suppression of noise at specific
frequencies.
(1)
+0.2
0.2 -0.1
NFM21C
(3)
(2)
(in mm)
2
■ Applications
1. PCs and peripherals which emit high amount of noises
2. Compact size equipment such as PDA, PC card and
mobile telecommunications equipment
3. Severe EMI suppression and high impedance circuits
such as digital circuits
Capacitance
(pF)
Rated Voltage
(Vdc)
Rated Current
(mA)
Insulation Resistance
(min.)
(M ohm)
Operating Temperature Range
(°C)
NFM21CC220U1H3
22 +20%,-20%
50
300
1000
-55 to +125
NFM21CC470U1H3
47 +20%,-20%
50
300
1000
-55 to +125
NFM21CC101U1H3
100 +20%,-20%
50
300
1000
-55 to +125
NFM21CC221R1H3
220 +20%,-20%
50
300
1000
-55 to +125
NFM21CC471R1H3
470 +20%,-20%
50
300
1000
-55 to +125
NFM21CC102R1H3
1000 +20%,-20%
50
300
1000
-55 to +125
NFM21CC222R1H3
2200 +20%,-20%
50
300
1000
-55 to +125
NFM21CC223R1H3
22000 +20%,-20%
50
2000
1000
-55 to +125
Part Number
■ Equivalent Circuit
■ Insertion Loss Characteristics (Typical)
(50Ω - 50Ω)
0
(1) Input
Output (3)
* no polarity.
Insertion Loss (dB)
20
NFM21CC220U1H3
40
NFM21CC470U1H3
NFM21CC101U1H3
60
NFM21CC221R1H3
GND
(2)
NFM21CC471R1H3
80
NFM21CC223R1H3
NFM21CC222R1H3
NFM21CC102R1H3
100
1
5
10
50
100
500
1000
2000
Frequency (MHz)
75
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NFM3DC Series
0.7±0.2
The chip "EMIFIL" NFM3DC series is a chip type
3-terminal EMI suppression filter. It can reduce
residual inductance to an extremely low level making
it excellent for noise suppression at high frequencies.
1.1±0.3
3.2±0.2
1.25±0.2
(2)
■ Feature
(1)
(3)
(2)
0.25±0.2
An electrostatic capacitance range of 22 to 22,000pF
enables suppression of noise at specific frequencies.
NFM3DC
0.3±0.2
(in mm)
■ Application
High noise radiation and high impedance circuits such
as digital circuits
2
Capacitance
(pF)
Rated Voltage
(Vdc)
Rated Current
(mA)
Insulation Resistance
(min.)
(M ohm)
Operating Temperature Range
(°C)
NFM3DCC220U1H3
22 +50%,-20%
50
300
1000
-55 to +125
NFM3DCC470U1H3
47 +50%,-20%
50
300
1000
-55 to +125
NFM3DCC101U1H3
100 +50%,-20%
50
300
1000
-55 to +125
NFM3DCC221R1H3
220 +50%,-20%
50
300
1000
-55 to +125
NFM3DCC471R1H3
470 +50%,-20%
50
300
1000
-55 to +125
NFM3DCC102R1H3
1000 +50%,-20%
50
300
1000
-55 to +125
NFM3DCC222R1H3
2200 +50%,-20%
50
300
1000
-55 to +125
NFM3DCC223R1H3
22000 +50%,-20%
50
300
1000
-55 to +125
Part Number
■ Equivalent Circuit
■ Insertion Loss Characteristics (Typical)
(50Ω - 50Ω)
0
(1) Input
Output (3)
* no polarity.
Insertion Loss (dB)
20
NFM3DCC223R1H3
40
NFM3DCC222R1H3
NFM3DCC102R1H3
NFM3DCC471R1H3
60
NFM3DCC221R1H3
GND
NFM3DCC101UH3
(2)
NFM3DCC470U1H3
80
NFM3DCC220U1H3
100
1
5
10
50
100
Frequency (MHz)
76
500
1000
2000
C31E10.pdf 03.9.1
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NFM41C Series
1.0±0.2
The chip "EMIFIL" NFM41C series is a chip type
3-terminal EMI suppression filter. It can reduce
residual inductance to an extremely low level making
it excellent for noise suppression at high frequencies.
1.5±0.3
4.5±0.3
1.6±0.3
(2)
■ Features
An electrostatic capacitance range of 22 to 22,000pF
enables suppression of noise at specific frequencies.
(3)
0.3 +0.3
-0.2
(1)
NFM41C
■ Applications
(2)
0.4±0.3
(in mm)
High noise radiation and high impedance circuits such
as digital circuits
2
Capacitance
(pF)
Rated Voltage
(Vdc)
Rated Current
(mA)
Insulation Resistance
(min.)
(M ohm)
Operating Temperature Range
(°C)
NFM41CC220U2A3
22 +50%,-20%
100
300
10000
-55 to +125
NFM41CC470U2A3
47 +50%,-20%
100
300
10000
-55 to +125
NFM41CC101U2A3
100 +50%,-20%
100
300
10000
-55 to +125
NFM41CC221U2A3
220 +50%,-20%
100
300
10000
-55 to +125
NFM41CC471R2A3
470 +50%,-20%
100
300
10000
-55 to +125
NFM41CC102R2A3
1000 +50%,-20%
100
300
10000
-55 to +125
NFM41CC222R2A3
2200 +50%,-20%
100
300
10000
-55 to +125
NFM41CC223R2A3
22000 +50%,-20%
100
300
10000
-55 to +125
Part Number
■ Equivalent Circuit
■ Insertion Loss Characteristics (Typical)
(50Ω - 50Ω)
0
(1) Input
Output (3)
* no polarity.
Insertion Loss (dB)
20
NFM41CC223R2A3
40
NFM41CC222R2A3
NFM41CC102R2A3
60
NFM41CC471R2A3
NFM41CC221U2A3
GND
(2)
NFM41CC101U2A3
80
NFM41CC470U2A3
NFM41CC220U2A3
100
1
5
10
50
100
500
1000
2000
Frequency (MHz)
77