PCA EPR1128

ISDN U Interface Transformers
ELECTRONICS INC.
• Optimizied for Leading Transceiver I.C.’s •
• Meets or exceeds UL1459 & IEC950 Standards •
• 2500 Vrms Isolation •
• See Selection Guide for I.C. Cross Reference •
• *Also available in 8 Pin Package •
Electrical Parameters @ 25° C
Part
Number
EPR1126
EPR1128
EPR1129
Turns
Ratio
OCL
(mH Min.)
IDC
(mA Max.)
Pri. DCR
(Ω Max.)
Sec. DCR
(Ω Max.)
Line Side
Pins
Schematic
1:.25:1
1.50:1
1.50:1
26.5-30.0
25.6-28.4
14.2-15.8
80
60
60
12.5
20
16
7
3
2.5
1, 5
1, 5
1, 5
A
B
B
Schematic
A
8
9
1
2
7
4
B
8
9
5
1
4
7
2
5
Package
Dimensions
D
N
10
6
Dim.
P
PCA
EPR11XX
B
Q
A
B
C
D
E
F
G
H
I
K
L
M
N
P
Q
Pad
Layout
D.C.
Pin 1
i.d.
1
5
M
A
I
C
E
K
H
F
Min.
(Inches)
Max. Nom.
Min.
(millimeters)
Max. Nom.
--.950
----24.13
--.890 .910 .900 22.61 23.11 22.86
--.500
----12.70
--.740 .760 .750 18.80 19.30 19.05
.019 .059 .039 .483 1.50 .991
.145 .155 .150 3.68 3.94 3.81
1.055 1.075 1.065 25.15 27.30 27.05
----.038
----.970
----.015
----.381
0°
8°
--0°
8°
------.140
----3.56
----.070
----1.78
----.150
----3.81
----.190
----4.83
----1.105 ----28.07
L
G
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
CSR1136 - CSR1139
Rev. -
3/15/99
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