T-18300

ISDN S-Interface Low Profile SMT Dual Transformers Dual - Transmit / Receive Electrical Specifications (1,2,3) at 25OC 2000VRMS Isolation Transmit Ratio SMD P/N Receive ( + 2%) OCL Pri. min. ( mH ) Meets the Pulse Waveform Template of CCITT I.430 when recommended Transformer & Chip pair are used. Excellent Longitudinal Balance 2000VRMS min. Isolation Tape and Reel Available LL Sec. max. ( µH ) Cw/w max. ( pF ) CD pri max. ( pF ) DCR pri + 25% (Ω) DCR sec + 25% (Ω) T-18300 T-18301 T-18302 T-18303 T-18304 T-18305 T R T R T R T R T R T R 1:2.5 1:2.5 1:2 1:2 1:2 1:2 1:1 1:1 1:1 1:2 1:1.8 1:1.8 22 22 22 22 22 22 22 22 22 22 22 22 40 40 11 11 5 5 5 5 4 5 15 15 100 100 100 100 85 85 100 100 100 100 100 100 110 110 180 180 80 80 42 42 42 80 160 160 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 Schematic 5.3 5.3 4.4 4.4 4.2 4.2 2.4 2.4 2.4 4.2 3.8 3.8 1) Primary is Line Side 2) Inductances measured at 10 KHz and 700 mV 3) Unbalanced current at TE: ∆ Idc = 1 mA max. Dimensions in Inches (mm) .960 (24.38) MAX. .590 (14.99) MAX. .300 (7.62) MAX. .018 (0.46) TYP. .040 (1.02) TYP. .100 (2.54) TYP. .022 (0.56) TYP. .080 (2.03) .737 (18.72) .010 (0.25) TYP. )RU FRPSOHWH GHWDLOV LQFOXGLQJ GRZQORDGDEOH 3') FDWDORJV DQG GDWD VKHHWV SOHDVH YLVLW ZZZUKRPEXVLQGFRP 6SHFLILFDWLRQV VXEMHFW WR FKDQJH ZLWKRXW QRWLFH www.rhombus-ind.com UKRPEXV LQGXVWULHV LQF )RU RWKHU YDOXHV &XVWRP 'HVLJQV FRQWDFW IDFWRU\ sales@rhombus-ind.com TEL: (714) 898-0960 FAX: (714) 896-0971 ISDNDLPSM 2002-01