Features
designed for optimum compatability with all established
interface IC's
excellent and consistent balance between windings
compact sizes in surface mount packages
complies fully with all international standards for U-Interface
manufactured in ISO-9001 approved Talema facility
operating temberature -40 to +85C
Electrical Specifications @ 25C
Turns Ratio: Bold = IC Side Windings
t
n
u
o
M
e
c
a
f
r
u
S
U
O
P
s
e
l
u
d
o
M
r
e
m
r
o
f
s
n
a
r
T
e
c
a
f
r
e
t
n
I
9
5
4
1
L
U
d
n
a
0
5
9
1
L
U
,
0
5
9
0
6
N
E
l
e
v
e
L
n
o
i
t
a
l
u
s
n
I
c
i
s
a
B
h
t
i
w
s
e
il
p
m
o
C
r
e
b
m
u
N
t
r
a
P
o
i
t
a
R
s
n
r
u
T
%
2
L
P
)
n
i
m
H
m
(
I
^
C
D
)
A
m
(
L
L
)
H
(
C
C
)
x
a
M
F
p
(
R
C
D
)
g
n
i
d
n
i
w
r
e
p
s
m
h
O
(
V
P
)
s
m
r
V
(
c
i
t
a
m
e
h
c
S
e
k
o
h
C
e
l
b
u
o
D
L
N
)
H
m
(
R
C
D
)
s
m
h
O
(
i
r
P
c
e
S
2
0
5
-
A
0
2
1
-
J
A
U
:
1
:
1 2
7
.
1
5
7
5
0
0
1
8
.
0
6
.
1
0
0
5
1
A
5
4
.
0
2
0
5
-
A
0
3
1
-
J
A
U
:
1
:
1
5
,
2
7
.
1
5
7
5
0
0
1
5
.
0
0
.
1
0
0
5
1
A
5
4
.
0
2
0
5
-
B
0
4
1
-
J
A
U
:
1
:
1
2
:
2
7
.
1
5
7
5
0
8
1
8
.
0
6
.
1
0
0
5
1
B
5
4
.
0
C
0
4
1
-
J
A
U
:
1
:
1
2
:
2
7
.
1
5
7
5
0
5
1
8
.
0
6
.
1
0
0
0
2
C
-
-
-
-
Dimensions: Inches (Millimeters)
Tolerance: 0.010 (0.25) unless specified otherwise
Dimensions
Schematic
Surface Coplanarity will be 0.004(0.10) maximum
ISDN U
PO
SMD Interface Transfomer Modules
(11-02) Communications\ISDN\UAJ
Test Conditions:
Inductance:
Line side windings in series - measurement @ 10kHz, 100mVrms
Leakage Inductance:
Line side windings in series, IC side winding/s short circuited - measurement @ 100kHz, 100mVrms
Coupling Capacitance:
IC side winding (windings in series) to Line side windings in series @ 10kHz, 100mVrms
Test Voltage:
1.5kV for 2 Sec. - Line side windings in series to IC side winding (IC windings in series)
Inductance CM Choke:
Measured @ 10kHz, 100mVrms
IC
Line
5
4
3
14
8
7
10
9
A
B
2
15
1
16
2
15
1
16
Line
IC
8
9
5
4
3
14
0.047
(1.20)
0.100
(2.54)
0.591
(15.00)
0.374
(9.50)
0.700
(17.78)
IC
Line
1
2
3
4
13
14
15
16
IC
Line
5
6
7
8
9
10
11
12
C
Suggested Pad Layout
0.307
(7.80)
0.354
(9.00)
0 - 8
0.787
(20.00)
0.551
(14.00)
0.044
(1.11)
0.472
(13.00)
7 x 0.100 (2,54)
0.020
(0.50)
TALEMA IN
WK/YR
Part Number
Talema Electronic 101 West 10th Street Rolla, MO (573) 364-2422 Fax: (573) 364-5390
www.talema.com Email: sales@talema.com
PDF 
ZIP