ISDN - UPO SMD Single Interface Transformers Features • matched to Infineon’s PEB2095 & PEB20950 and AMD’s AM2095 & AM20950 chipsets • excellent and consistent balance between windings • compact sizes in through-hole and surface mount packages • complies fully with all international standards for U-Interface • manufactured in ISO-9001 approved Talema facility • operating temperature: -40° to +85°C Electrical Specifications @ 25°C Turns Ratio: Bold = IC Side Windings UPO SMD Interface Transformers Complies w ith Basic Insulation Level EN60950, UL1950 and UL1459 Part Number DCR (Ohms) Turns Ratio ± 2% LP (mH min) LL (µH) ^IDC (mA) CC (pF Max) Primary Secondary VP (Vrms) 1:1:4 1.7 10 140 100 1.5 5.2 500 UWJ-180 Test Conditions: Inductance: Leakage Inductance: Coupling Capacitance: Test Voltage: Line side windings in series - measurement @ 10kHz, 100mVrms Line side windings in series, IC side winding short circuited - measurement @ 100kHz, 100mVrms IC side winding to Line side windings in series @ 10kHz, 100mVrms Line side windings in series to IC side winding Dimensions & Schematic UWJ Suggested Pad Layout 0.654 0.591 (16.60) (15.00) TALEMA IN WK/YR Part Number 0.400 (10.16) Line IC 6 0.709 (18.00) 0.100 (2.54) 0.400 (10.16) 1 7 9 0.047 (1.20) 10 5 0.098 (2.50) 0° - 8° 0.520 (13.20) 0.413 0.461 (10.50) (11.70) 0.020 (0.50) 0.200 (5.08) Surface Coplanarity will be 0.004(0.10) Dimensions: Inches (Millimeters) Tolerance: ±0.010 (0.25) unless specified otherwise Sales & Marketing, Design and Manufacturing Facilities http://www.talema-nuvotem.com Eastern Europe & Czech Republic NT MAGNETICS s.r.o. Chebská 27 322 00 Plzeñ Tel: Int. + 420 37 - 744 9303 Fax: Int. + 420 37 - 744 3697 Email: [email protected] Germany Ireland India TALEMA ELEKTRONIK GMBH Sembdnerstr. 5, Postfach 2523 82110 Germering Tel: Int. + 49 89 - 841 00 - 0 Fax: Int. + 49 89 - 841 00 25 Email: [email protected] NUVOTEM TEO. Crolly Co. Donegal Tel: Int. + 353 74 - 954 8666 Fax: Int. + 353 74 - 954 8139 Email: [email protected] TALEMA ELECTRONIC PVT. LTD. Opposite the SIDCO Industrial Estate Gins Towers 4/5S.H/1, Omalur Main Road Salem - 636 004, Tamil Nadu Tel: Int. + 91 427 - 244 1325 Fax: Int. + 91 427 - 243 0034 E-mail: [email protected] Germany: Int.+4989-841 00-0 • Ireland: Int.+35 375-48 666 • Czech Rep: Int.+420 19-744 9303 • India: Int.+91 427-387 492 http://www.talema-nuvotem.com (07-03) Communications\ISDN\UWJ-180