The Electromagnetic Spectrum Innovator
DATA SHEET
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100
□
11111
C-Style Capacitor
0.1MHz 1MHz
1
0M
Hz
100M Hz
Frequency
100M Hz
Frequency
1G
Hz
10G
Hz
The
above
curves represent
the
application
of
proper
grounding
fundamentals.
Filter Plate Filter Selection
EMI Filter Performance
The electrical characteristics table and insertion loss
graphs indicate the performance of feedthrough
capacitors and Pi type lters. Utilize this information to
specify the EMI ltering components included in your
lter plate.
Custom Filtering
APITech lter plates are engineered to accommodate
selective line ltering. Several dierent types of lters
may be specied in a single, easy to install lter plate,
allowing you to facilitate a wide range of ltering
requirements.
For select line ltering, provide a sketch indicating
the lters and positions required. The example below
represents a 10-pin, 2-row plate with six 1000 pF
feedthrough capacitors and four 1700 pF Pi type lters.
Part Number
Based on front
view of plate
10
F F F R
6
R
1
F F F R R
5
Filter
Designation
Filter**
Circuits
Capacitance
3 dB Max
Cut-of
Frequency
(MHz)
Working
Voltage DC
-55°C to
+125°C
Minimum Insertion Loss - Decibles (dB)
50 ohm system per MIL-STD-220 (no load)
Value Tolerance
5
MHZ
10
MHZ
20
MHZ
50
MHZ
100
MHZ
200
MHZ
500
MHZ
1
GHZ
A
C
68pF +/-25%
73.9
100V
-
-
-
-
-
3
10
16
B
C
100pF +/-25%
50.3
100V
-
-
-
-
1
6
13
19
C
C
135pF +100/-0%
23.3
100V
-
-
-
1
5
10
16
20
D
C
470pF +/-25%
10.7
100V
-
-
2
7
13
18
25
27
E
C
820pF +/-25%
6.2
100V
-
1
5
12
18
23
30
33
F
C
1000pF +/-25%
5.1
100V
-
2
7
14
20
25
32
35
G
C
1500pF +/-25%
3.4
100V
1
4
10
16
22
29
36
37
H
C
2500pF +100/-0%
1.26
100V
5
11
17
23
29
35
38
40
I
C
4000pF +100/-0%
0.8
100V
9
15
21
27
34
38
42
46
J
Insulated
10pF Max.
635
100V
-
-
-
-
-
-
-
-
K
Grounded
-
-
-
-
-
-
-
-
L
Pi
68 +/-25%
65.3
100V
-
-
-
-
1
3
8
19
M
Pi
100 +/-25%
45.1
100V
-
-
-
-
2
6
11
27
N
Pi
135 +100/-0%
22.0
100V
-
-
-
1
6
10
20
34
O
Pi
470 +/-25%
10.6
100V
-
-
-
8
14
21
36
43
P
Pi
820
+/-25%
6.2
100V
-
-
4
13
22
31
45
52
Q
Pi
1000
+/-25%
5.1
100V
-
2
6
14
22
33
51
59
R
Pi
1700
+100/-0%
1.9
100V
1
6
12
23
35
48
64
69
S
Pi
2500
+100/-0%
1.3
50V
4
9
15
28
41
54
70
70
T
Pi
5000
+100/-0%
0.65
100V
9
15
23
41
53
66
70
70
* 3dB cut-o frequency calculated at the maximum capacitance.
** For high-density centers (2mm) only C style lters are available, to maximum of 4000pF.