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
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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