Common Mode Choke
for Telecom Application
E L E C T R O N I C S I N C .
EPA3284G
• Designed for 4-Wire Links, such as ISDN-S/T and T1/E1/CEPT •
• High Frequency Chokes for EMI Reduction •
• Operating Temperature : 0°C to +70°C •
Electrical Parameters @ 25° C
OCL
(µH Min.)
Interwinding
Leakage
Inductance
(µH Max.)
Hipot
(Vrms)
DCR
(Ω Max.)
Capacitance
(pF Max.)
@ 100 KHz
0.1 Vrms
+25°C
@ 100 KHz
0.1 Vrms
@ 100 KHz
0.1 Vrms
@ 100 KHz
0.1 Vrms
-40°C
47
27
20
0.18
500
0.40
Typical Impedance
3.0K
2.8K
2.6K
2.4K
2.2K
2.0K
1.8K
1.6K
1.4K
1.2K
1K
Typical Common Mode Attenuation
Schematic
dB
0
1:1:1:1
-5
-10
-15
-20
1
2
3
4
8
7
6
5
-25
-30
800
600
1 MHz
10 MHz
100 MHz
400
200
0
1 MHz
10 MHz
100 MHz
Package
Pin 1
I.D.
Dimensions
Q
(Inches)
Max. Nom. Min.
(Millimeters)
Dim. Min.
Max. Nom.
N
Suggested
Pad
Layout
A
B
C
D
F
G
H
L
M
N
P
Q
.340
.250
---
.360
.270
.098
---
.350
.260
---
.300
.100
.330
---
.270
.070
.100
.050
.270
8.64
6.35
---
9.14
6.86
2.49
---
8.90
6.60
---
7.62
2.54
8.38
---
7.87
1.78
2.54
1.27
6.86
D
A
H
F
---
---
---
---
---
---
P
M
.320
---
.340
.040
---
8.43
---
8.64
1.02
---
B
---
---
---
---
---
---
---
---
---
---
C
---
---
---
---
---
---
---
---
L
G
CSA3284G Rev. 2 10/18/01
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com
Product performance is limited to specified parameters. Data is subject to change without prior notice.