S4951 BOTHHAND | Alldatasheet
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Prepared :Qingli Wu Approved: Xu Wenbing Date : 2001/07/16 Drawing no.: ISDN Transformer REV.: A2 Page : 1/1 T1/CEPT/ISDN-PRI TRANSFORMER P/N:S4951 DATA SHEET A. Electrical Specifications @25°C : 1. Turns Ratio(PRI:SEC±5%): 1:2CT & 1:2CT 2. OCL Inductance: 1.2 mH MIN & 1.2 mH MIN @ 100KHz/0.2V 4. Cw/w: 35 pF Max & 35 pF Max @100KHz/0.2Vrms 5. DCR(PIN): 0.70 ? MAX & 0.70 ? MAX 6. DCR(sec): 1.2 ? MAX & 1.2 ? MAX 7. Primary Pins: 14-12 & 5-7 8. Isolation: 1.5KVrms C. Schematics & Mechanical :