PCA EPR1139

ISDN U Interface Transformers
ELECTRONICS INC.
• Optimized for Leading Transceiver I.C.’s •
• Meets or exceeds UL1459 & IEC950 Standards •
• 2000 Vrms Isolation •
• See Selection Guide for I.C. Cross Reference •
Electrical Parameters @ 25° C
Part
Number
Turns
Ratio
OCL
(mH)
IDC
(mA Max.)
DCR (Line Side)
(Ω Max.)
DCR (Chip Side)
(Ω Max.)
Line Side
Pins
Schematic
P.C.
Patern
EPR1136
EPR1137
EPR1138
EPR1139
EPR1147
1:.75:.75
1:1:1.25
1:1.6CT:1
1:1.33CT:1
1.25:1
77
13.05-15.95
25.65-28.35
25.65-28.35
26.60-29.40
30
60
80
80
80
17
2.2
7
14
10
13.5
2
5.5
1.5
7.5
3, 5
3, 5
1, 7
1, 7
1,11
A
A
B
B
C
1
1
1
1
2
Schematic
A
6
3
5
2
7
1
Package
3
2
8
7
7
1
5
12 2
11
P.C PATTERN
COMPONENT SIDE
(1)
White Dot
Pin 1 I.D
G
F
B
C
B
4
5
4
8
I
K
7
Dimensions
1
PCA
EPR11XX
D.C.
2
F
Dim.
Min.
A
B
C
E
F
G
H
I
K
------.100
----.022
-----
(Inches)
Max. Nom.
Min.
(millimeters)
Max. Nom.
6
5
3
A
4
G
(2)
G
F
I
K
12 11
E
2
3
------2.54
----.559
-----
25.91
20.32
17.15
------.711
-----
25.02
19.81
16.51
3.30
2.54
2.54
.610
.991
1.22
F
8
9
H
.985
.780
.650
.130
.100
.100
.024
.039
.048
10
1
C
1.020
.800
.675
------.028
-----
4
5
7
6
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
CSR1136 - CSR1147
Rev. 2
10/26/99
Product performance is limited to specified parameters. Data is subject to change without prior notice.
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com