PCA EPA2851

Common Mode Choke for Telecom
Application Transformer
ELECTRONICS INC.
EPA2851
• Designed for 4-Wire Links T1/E1/CEPT •
• High Frequency Choke for EMI Reduction •
• 500 Vrms Isolation •
Electrical Parameters @ 25° C
OCL
(µH Min.)(1)
Leakage
Inductance
(µH Max.)(1)
Interwinding
Capacitance
(pF Max.)(1)
DCR
(Ω Max.)
0.2
10
0.25
8.0
Notes: 1) Measured @ 100 KHz, 0.1 Vrms.
Schematic
1
Package
8
2
7
3
6
4
5
1:1:1:1 ± 5%
A
Pin 1
I.D.
PCA
EPA2851
D.C.
Impedance
Common Mode Attenuation
B
Freq
Ω Min.)
Impedance
(Ω Min.)
CMRR
(dB Min.)
1 MHz
5 MHz
10 MHz
20 MHz
30 MHz
40 MHz
100 MHz
200 MHz
100
500
750
1.1K
1.3K
1.3K
680
380
-2
-5
-8.5
-16
-17
-17
-15.5
-13
C
Dimensions
E
F
H
Dim.
A
B
C
D
E
F
G
H
G
D
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
CSA2851
Rev. 1
Min.
.480
.460
.380
.300
.125
.100
.298
.023
(Inches)
Max. Nom.
.500
.480
.400
Typ.
.135
Typ.
.302
.027
-
(Milimeters)
Min.
Max. Nom.
12.19
11.68
9.65
7.62
3.18
2.54
7.57
.584
7/23/97
Product performance is limited to specified parameters. Data is subject to change without prior notice.
12.70
12.19
10.16
Typ.
3.43
Typ.
7.68
.690
-
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com