Surface Mount EMI Filters
3 Terminal (C Filter)
L
2
L
1
T
L
W
T max
L1
L2
mm
3.2±0.3
1.6±0.2
1.3
0.95±0.3
0.5±0.25
EMI CHIP
1206
inches
0.126±0.012
0.063±0.008
0.051
0.037±0.012
0.020±0.01
mm
4.5±0.35
1.6±0.2
1.3
1.4±0.3
0.5±0.25
1806
inches
0.177±0.012
0.063±0.008
0.051
0.055±0.012
0.020±0.01
W
L
Circuit Configuration
Specification
Electrical details
Electrical Configuration
C Filters
Capacitance Measurement
At 1000hr point
Rated Current
1206
1806
Mechanical details
Soldering Temperature
For soldering information
see page 36
Termination Material
Nickel barrier
300 mA dc
300 mA dc
C - SECTION
Temperature Rating
-55°C to 125°C
DC Resistance
0.35 Ohms Max
Dielectric Withstand Voltage
Rated Voltage
D.W.V.
50 Vdc
125 Vdc
100 Vdc
250 Vdc
1806
Insulation Resistance
10,000 Mohm Min
Available Range
1206
C0G
22pF
47pF
100pF
220pF
470pF
1.0nF
2.2nF
X7R
2.2nF
4.7nF
10nF/50V
22nF/50V
C0G
22pF
47pF
100pF
220pF
470pF
1.0nF
2.2nF
X7R
2.2nF
4.7nF
10nF
22nF
Ordering information (3 Terminal Chips)
Example: 1206 J 100 0102 M X T E01
Chip Size
All items are 100Vdc working except where shown.
EMI Filter
Packaging
T = Taped
B = Bulk
R = Large reel
Dielectric code
C = C0G
X = X7R
Capacitance tolerance
M = +/- 20% (Standard)
P = -0 +100%
S = -20% +50%
Z = -20% +80%
Insertion Loss Characteristics
80
Termination
J = Nickel barrier
Working Voltage Vd.c.
050 = 50 Vd.c.
100 = 100 Vd.c.
Capacitance
First digit
- zero
Second digit - First significant
figure
Third digit - Second significant
figure
Fourth digit - Number of zeros
e.g. 0472 = 4,700pF
or 1N36 = 1,360pF
60
Insertion loss (dB)
22nF
10nF
40
4.7nF
2.2nF
1nF
20
470pF
220pF
100pF
47pF
22pF
0
0.1
1
10
Frequency (MHz)
100
1000
Notes: Typical performance is shown in the graph above.
The actual performance will be influenced by the amount of
series inductance added by the interconnections.
31
Syfer Technology Limited
Old Stoke Road
Arminghall
Norwich, Norfolk
NR14 8SQ
ENGLAND
Telephone
+44 (0)1603 723300
Telephone (Sales)
+44 (0)1603 723310
Fax
+44 (0)1603 723301
Email
sales@syfer.co.uk
Website
www.syfer.com
© Copyright Syfer Technology Limited - 1998.
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