PCA EPR1270G

ISDN-S Interface Dual Transformers
ELECTRONICS INC.
EPR1270G
• Optimizied for Leading Transceiver I.C.’s •
• Meets or exceeds UL1459, UL1950 & EN60950 Standards •
• 1500 Vrms Isolation (for 1 minute) •
Electrical Parameters @ 25° C
Turns
Ratio
OCL
(mH Min.)
Cw/w
(pF Max.)
LI
(µH Max.)
Pri. DCR
(Ω Max.)
Sec. DCR
(Ω Max.)
Primary
Pins
Crosstalk
(dB Typ.)
1:2CT / 1:2CT
20 / 20
130 / 130
5/5
2.8 / 2.8
5.6 / 5.6
1,3 / 4,6
-60
@ 0.1 MHz - 5 MHz
Schematic
12
A
11
B
10 9
8
7
Secondary
(Chip Side)
Primary
(Line Side)
1
3
6
4
Package
Dimensions
A
N
J
Pin 1
I.D.
PCA
EPR1270G
D.C.
B
Q
Pad
Layout
M
D
E
C
H
P
F
K
L
I
G
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
CSR1270G
Rev. -
Dim.
Min.
A
B
C
D
E
F
G
H
I
J
K
L
M
N
P
Q
.660
.430
.320
--.010
--.540
.018
.008
--0°
.025
---------
(Inches)
Max. Nom.
.680
.450
.340
--.015
--.560
.022
.012
--8°
.045
---------
.670
.440
.330
.500
.012
.100
.550
.020
.010
.085
--.035
.030
.100
.085
.610
7/9/01
Product performance is limited to specified parameters. Data is subject to change without prior notice.
Min.
(millimeters)
Max. Nom.
16.76 17.27 17.02
10.92 11.43 11.18
8.13 8.64 8.39
----- 12.70
.254 .381 .305
----2.54
13.72 14.22 13.97
.457 .559 .508
.203 .305 .254
----2.16
0°
8°
--.635 1.14 .889
----.762
----2.54
----2.16
----- 15.50
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com