PCA EPR1203

ISDN-S Interface Transformers
ELECTRONICS INC.
• Optimizied for Leading Transceiver I.C.’s •
• Meets CCITT 1.430 Four Wire “S” Interface •
• Meets or exceeds UL1459 & UL1950 Standards •
• 2000 Vrms Isolation •
• See Selection Guide for I.C. Cross Reference •
Electrical Parameters @ 25° C
Part
Number
Turns
Ratio
OCL
(mH Min.)
Cw/w
(pF Max.)
LI
(µH Max.)
Pri. DCR
(Ω Max.)
Sec. DCR
(Ω Max.)
Package &
Schematic
EPR1201
EPR1202
EPR1203
EPR1204
1CT:1CT
1CT:2CT
1CT:1.8CT
1CT:2.5CT
22
22
22
22
110
100
100
100
5.0
8.0
8.0
12
2.5
2.5
2.5
2.5
2.5
5.0
4.5
6.0
A
A
B
B
Schematic
A
B
1
6
7
1
2
5
6
2
3
4
5
3
PCA
EPR12XX
D.C.
Package A
Package B
A
A
1
6
2
5
3
4
1
B
PCA
EPR12XX
D.C.
7
6
2
5
4
3
4
B
Dimensions
E
C
K
E
C
K
G
G
H
H
J
F
J
J
D
D
F
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
CSR1201 - CSR1204
Rev. -
Dim.
Min.
A
B
C
D
E
F
G
H
J
K
.540
.540
.380
--.025
--.395
.017
--.115
(Inches)
Max. Nom.
.560
.560
.400
--.035
--.405
.023
--.125
.550
.550
.390
.400
.030
.100
.400
.020
.200
.120
3/12/99
Product performance is limited to specified parameters. Data is subject to change without prior notice.
Min.
(millimeters)
Max. Nom.
13.72
13.72
9.65
--.635
--10.03
.432
--2.92
14.22
14.22
10.16
--.889
--10.29
.584
--3.18
13.97
13.97
9.91
10.16
.762
2.54
10.16
.508
5.08
3.05
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com