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| E1/T1/PRI/CEPT Single Interface Transformers Features * SMD package for high density board plcement * consistent and reliable coplanarity * controlled parameters ensure full compliance with ITU-T G.703 when matched with recommended IC * ideal for all 1.544 and 2.048 Mbs interface applications * manufactured in an ISO-9001:2000, TS-16949:2002 and ISO-14001:2004 certified Talema facility * 1500Vrms minimum isolation voltage * operating temperature: -4 0 to 85 * fully RoHS compliant and meets lead free reflow level J-STD-020C Electrical Specifications @ 25C S2M Interface Transformers Part Number 19794 Turns Ratio 2% 1 : 1.414 OCL (mH Min.) W2 4,0 LL (H Max.) 1,0 DCR (Ohms Max.) W1 0.4 DCR (Ohms Max.) W2 0.5 VP (Vrms) 1500 Test Conditions: Inductance: Leakage Inductance: Turns Ratio: High Voltage: W2 - measurement at 10kHz, 100mV W2 <1.0H, W1 short circuited - measurement at 100kHz, 10mA W1 : W2; Tolerance 2% 2.0kV for 1 second, W1 to W2 Dimensions & Schematics Schematic 4 0.590 (15.00) 0.098 (2.50) 0 - 8 0.300 (7.62) 0.047 (1.20) Suggested Pad Layout 0.551 0.472 (14.00) (12.00) TALEMA IN WK/YR Part Number 1 0.100 (2.54) 0.300 (7.62) 0.433 (11.00) 0.339 0.291 (8.60) (7.40) W1 W2 5 8 1 : 1.414 0.020 (0.50) Dimensions: Inches (Millimeters) Tolerance: 0.010 (0.25) unless specified otherwise Coplanarity: <0.004 (0.10) Sales & Marketing, Design and Manufacturing Facilities http://www.talema-nuvotem.com Eastern Europe & Czech Republic NT MAGNETICS s.r.o. Chebska 27 322 00 Plzen Tel: Int. + 420 377 - 338 351 Fax: Int. + 420 377 - 338 350 Email: talema@talema.cz Web Site: www.ntmagnetics.cz Germany TALEMA ELEKTRONIK GMBH Sembdnerstr. 5, Postfach 2523 82110 Germering Tel: Int. + 49 89 - 841 00 - 0 Fax: Int. + 49 89 - 841 00 25 Email: info@talema.de Ireland NUVOTEM TEO. Crolly Co. Donegal Tel: Int. + 353 74 - 954 8666 Fax: Int. + 353 74 - 954 8139 Email: info@nuvotem.com India 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: talema@talemaindia.com Web Site: www.talemaindia.com THE TALEMA GROUP * Magnetic Components for ISDN / xDSL / LAN Data Communications (10-06) Communications\ E1/T1\19649 |
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