EPA3490G

ISDN S - Interface Low Profile SMT
Dual Transformer
ELECTRONICS INC.
EPA3490G
• Meets Pulse Waveform Template of CCITT 1.430 •
with recommended Chip Pair AT&T/Lucent T7250/6/9
and Motorola MC145474/5
• 2000 Vrms Isolation •
• Operating Temp. 0°C - 70°C •
Electrical Parameters @ 25° C
OCL
(mH Min.)
Leakage Inductance
(µH Max.)
Interwinding Capacitance
(pF Max.)
A &B (Sec.)
Pins 1-4,5-8 (Pri.)
40
22
Distributed Capacitance
(pF Max.)
Turns Ratio
(Pri : Sec ±2%)
DCR
(Ω ±25%)
I dc
(mA Max.)
A&B
A &B (Pri.)
A&B
A&B
Pri
Sec
100
110
1:2.5
1
2.4
5.3
Schematic
B
A
Package
Sec.
(Chip Side)
16 15 14 13
12 11 10 9
1
5
A
J
Pin 1
I.D.
Pri.
(Line Side)
N
PCA
EPA3490G
D.C.
B
Q
Solder Pad
Layout
2 3
4
6 7
8
P
Dimensions
D
M
Dim.
E
C
H
F
A
B
C
D
E
F
G
H
I
J
K
L
M
N
P
Q
K
L
I
G
PCA ELECTRONICS, INC.
6799 SCHOENBORN ST.
NORTH HILLS, CA 91343
CSA3490G
Rev. -
Min.
.930
.570
.280
--.005
--.680
.018
----0°
.025
(Inches)
Max. Nom.
.950
.590
.300
--.015
--.700
.022
----8°
.045
.940
.580
.290
.700
.010
.100
.690
.020
.010
.120
--.035
.030
.100
.085
.750
6/9/98
Product performance is limited to specified parameters. Data is subject to change without prior notice.
(Millimeters)
Min.
Max. Nom.
23.62
14.48
7.11
--.127
--17.28
.457
----0°
.635
---
24.14
14.99
7.62
--.381
--17.78
.559
----8°
1.14
23.88
14.73
7.37
17.78
0.26
2.54
17.53
0.51
0.26
3.05
--0.89
.762
2.54
2.16
19.05
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com