ISDN - SO Miniature Interface Transformer Features • designed for optimum compatability with all established interface IC’s • excellent and consistent balance between windings • miniature surface mount package • complies fully with CCITT.I.430 recommendations and corresponding national standards for S-Interface • manufactured in ISO-9001.2000 approved Talema facility • operating temperature: 0 to 70°C Electrical Specifications @ 25°C Standard Packaging: Tape and Reel Surface Mount S0 Interface Transformers LN (mH Min) Turns Ratio LL (µH Max) CC (pF Max) RCUP (Ohms) RCUS (Ohms) VP (Vrms) ISJ-100B 25 1:1 2.0 60 3,8 3,8 1500 ISJ-140B 25 1:2 2.0 50 4,0 8,0 1500 Part Number Test conditions Inductance (Lo): Line side windings in series - measurement @ 10kHz, 100mV Polarity and Turns Ratio: Pins 1 -2 : 3 - 4 : 5 - 6 : 7 - 8 = ±2% Coupling Capacitance: IC side winding (windings in series) to Line side windings in series @ 10kHz, 100mV Leakage Inductance: Line side windings in series, IC side winding/s short circuited - measurement @ 100kHz, 100mV Test Voltage: 1.5kV for 2 Sec. - Line side windings in series to IC side windings in series Coplanarity: ±0.004(0.10mm) Dimensions 0.228 (5.80) 0.394 (10.00) 0.213 (5.40) 0° - 8° 3 x 0.050 (3 x 1.27) ISJ100B Wk/Yr 0.354 0.299 (9.00) (7.60) Schematic Suggested Pad Layout Line 0.031 (0.80) 3 x 0.050 (3 x 1.27) 0.209 0.169 (5.30) (4.30) IC 1 8 2 7 3 6 4 5 0.020 x 0.12 (0.50 x 0.30) 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 (03-04) ISJ Series