ISDN S-Interface Applications Transformers - RM Style Designed to meet pulse waveform template of CCITT I.430 when using proper chip pair. Electrical Specifications 1,2,3 at 25OC Part Number Turns Ratio (+5%) OCL min. ( mH ) T-13750 1CT:2CT 30 50 15 2.2 T-13751 1CT:1CT 30 50 22 T-13752 1CT:2.5CT 30 50 15 T-13753 1CT:1.8CT 30 50 T-13754 1CT:2CT 20 T-13755 1CT:2.5CT T-13756 1CT:1.8CT PRI-SEC CW/W max. ( pF ) Leakage Ind. max. ( µH ) Primary Secondary DCR max. DCR max. (Ω) (Ω) Schematic "D" Style & Schem. Primary Pins 4.8 RM5 - D 2-6 2.2 1.5 RM5 - D 2-6 2.2 8.2 RM5 - D 2-6 15 2.2 4.2 RM5 - D 2-6 50 30 1.2 3.5 RM6 - D 2-6 22 50 20 2.8 6.5 RM6 - D 2-6 22 50 20 2.8 5.5 RM6 - D 2-6 PRI SEC 1. Hi-pot (Pri. to Sec.) 2000 VRMS except T-13707. Isolation is 1000 VRMS 2. ET-Product of 10 V-µsec min. 3. OCL Measured at Primary @10KHz & 700mV RM 5 Package Package Physical Dimensions in inches (mm) RM 5 Grid Pin Position Grid 0.100" RM 6 Grid RM 6 Package Pin Position Grid 0.100" 1 6 2 5 3 4 Specifications subject to change without notice. Rhombus Industries Inc. For other values & Custom Designs, contact factory. 17 ISDN-RM 7/97 15801 Chemical Lane, Huntington Beach, CA 92649-1595 Tel: (714) 898-0960 • Fax: (714) 896-0971