SURFACE MOUNT EMI FILTERS
CHIP FILTERS
NFM39/40/41R Series
The NFM39/40/41R Series is a miniature chip type EMI
Suppression filter based on feed-thru design. It is well suited
for EMI suppression in digital circuit boards or in I/O lines of
digital equipment where high density mounting is used.
FEATURES
I
Miniature size – 2.0mm x 1.25mm x 0.5mm
I
Nickel barrier for solder heat resistance
I
Wide frequency range of operation – to several
hundred MHz
I
Tape and reel for auto-placement
PART NUMBERING SYSTEM
NFM40R
CHIP EMI
FILTER SERIES
CLASS NO.
12
C
CIRCUIT
STYLE
223
T1
CAPACITANCE
VALUE
PACKAGING CODE
T1 = Tape
B1 = Bulk
SPECIFICATIONS
Dimensions: mm
Part Number
NFM39R02C220
0.5 ± 0.2
Capacitance
22pF ± 20%
47pF ± 20%
100pF ± 20%
220pF ± 20%
470pF ± 20%
1000pF ± 20%
2200pF ± 20%
22000pF ± 20%
22pF ±
50
%
20
47pF ±
50
%
20
100pF ±
50
%
20
220pF ±
50
20
%
Rated Insulation
DCR Operating
Rated
Current Resistance (Ohms
Temp.
Voltage (mA) (Ohms min.) max.)
Range
Previous
Part Number
0805
NFM39R02C470
NFM39R02C101
0.45 ± 0.35
1.25 ± 0.2
1.0 ± 0.35
2.0 ± 0.2
NFM39R12C221
NFM39R12C471
NFM39R12C102
50VDC
300
1000M
0.6
–55°C
~
+125°C
—
0.2
Input (Output) Terminal
Ground Terminal
Output (Input) Terminal
NFM39R12C222
NFM39R12C223
NFM40R02C220
0.7 ± 0.2
1206
1.1 ± 0.3
3.2 ± 0.2
1.1 ± 0.3
1.25 ± 0.2
Input (Output) Terminal
Ground Terminal
Output (Input) Terminal
NFM40R02C470
25VDC
300
1000M
0.6
–55°C
~
+125°C
—
NFM40R02C101
0.7
±
0.2
1206
NFM3212R13C221R
NFM3212R13C471R
1.25
±
0.2
NFM40R12C221
NFM40R12C471
50VDC
300
1000M
0.30
–55°C
~
+125°C
NFM40R12C102
NFM40R12C222
NFM40R12C223
1.1
±
0.3
3.2
±
0.2
470pF ±
50
%
20
1000pF ±
50
%
20
2200pF ±
50
%
20
22000pF ±
50
%
20
NFM3212R13C102R
NFM3212R13C222R
0.05 min.
0.3
±
0.2
Input (Output) Terminal
Ground Terminal
Output (Input) Terminal
NFM3212R13C223R
Available as standard through authorized Murata Electronics Distributors.
182
CG01-J
SURFACE MOUNT EMI FILTERS
CHIP FILTERS
NFM39/40/41R Series
SPECIFICATIONS
Dimensions: mm
Part Number
Capacitance
Rated Insulation
DCR Operating
Rated Current Resistance (Ohms
Temp.
Voltage (mA) (Ohms min.) max.)
Range
Previous
Part Number
1806
1.0
±
0.2
NFM41R02C220
NFM41R02C470
NFM41R02C101
22pF ±
50
%
20
47pF ±
50
%
20
100VDC
100pF ±
50
%
20
220pF ±
50
%
20
470pF ±
50
%
20
1000pF ±
50
%
20
100VDC
300
10000M
0.3
2200pF ±
50
%
20
22000pF ±
50
%
20
NFM41R12C471
NFM41R12C102
NFM41R12C222
NFM41R12C223
300
10000M
0.3
1.5
±
0.5
4.5
±
0.2
1.3
±
0.3
1.6
±
0.3
–55°C
~
+125°C
—
Input (Output) Terminal
Ground Terminal
Output (Input) Terminal
NFM41R02C221
1.5
±
0.3
4.5
±
0.3
1.0
±
0.2
1806
NFM4516R13C471R
NFM4516R13C102R
1.6
±
0.3
NFM4516R13C222R
Input (Output) Terminal
Ground Terminal
Output (Input) Terminal
–55°C
~
+125°C
0.1 min.
0.4
±
0.3
NFM4516R13C223R
Available as standard through authorized Murata Electronics Distributors.
TYPICAL INSERTION LOSS CHARACTERISTICS
NFM39 Series
0
10
Insertion Loss (dB)
20
30
22000pF
40
50
60
1
10
100
Frequency (MHz)
1000 2000
220pF
470pF
1000pF
2200pF
Attenuation Level (dB)
100pF
20
40
60
80
100
47pF
22pF
47pF
NFM40R Series
0
22pF
100pF
1
5
10
50
100
500 1000 2000
NFM3212R Series
0
20
Insertion Loss (dB)
40
60
80
100
Frequency (MHz)
2200pF
1000pF
22000pF
470pF
220pF
SURFACE MOUNT
EMI FILTERS
1
5
10
50
100
500 1000 2000
Frequency (MHz)
NFM41R Series
0
20
Insertion Loss (dB)
47pF 22pF
NFM4516R Series
0
20
Insertion Loss (dB)
2200pF
40
22000pF
1000pF
40
60
80
100
220pF
100pF
60
80
100
470pF
1
5
10
50
100
500 1000 2000
1
5
10
50
100
500 1000 2000
Frequency (MHz)
Frequency (MHz)
CG01-J Rev. 1
183
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