ISDN S-Interface Transformers
Dual - Transmit / Receive
T-1050X 2000V Series
Meets the Pulse Waveform Template of CCITT I.430when recommended Transformer & Chip pair are used. Excellent Longitudinal Balance 2000V & 4000V RMS min. Isolation Versions
UL 1459 Recognized
R
Electrical Specifications (3,4) at 25OC 4000VRMS 2000VRMS Isolation Isolation R Transmit Receive SMD P/N SMD P/N
Ratio ( + 2%)
OCL (1, 2) Pri. min. ( mH )
LL Sec. max. ( µH )
Cw/w max. ( pF )
CD pri max. ( pF )
DCR pri + 15% (Ω)
DCR sec + 15% (Ω)
T-10550 T-10551 T-10552 T-10553 T-10554 T-10555 T-10556
T-10500 T-10501 T-10502 T-10503 T-10504 T-10505 T-10506
(2400VRMS Isolation)
T R T R T R T R T R T R T R
1:2 1:1 1:1 1:1 1:1.8 1:2.5 1:2 1:2 1:2.5 1:2.5 1:2 1:2 1:2.5 1:2.5
22 22 22 22 22 22 22 22 22 22 22 22 22 22
15 5 5 5 15 30 15 15 15 - 40 15 - 40 11 11 4 4
100 100 100 100 100 100 100 100 100 100 100 100 100 100
80 40 40 40 140 150 80 80 110 110 180 180 100 100
2.3 2.4 2.4 2.4 2.5 2.5 2.3 2.3 2.5 2.5 2.5 2.5 2.3 max. 2.3 max.
4.0 2.4 2.4 2.4 4.2 5.8 4.0 4.0 5.8 5.8 5.0 5.0 5.8 max. 5.8 max.
1) Primary is Line Side 2) OCL @10 KHz and 700 mV, except T-10506, T-10556 voltage is 500mV 3) Unbalanced current at TE: ∆ Idc = 1 mA max. 4) Longitudinal Conversion Loss: 10 kHz to 300 kHz is 60dB min.
Schematic T-10500 thru T-10505 and T-10550 thru T-10555
Schematic T-10506 & T-10556
Package Dimensions in Inches (mm)
Specifications subject to change without notice.
For other values & Custom Designs, contact factory.
ISDNDUAL - 4/99
Rhombus Industries Inc.
14
15801 Chemical Lane, Huntington Beach, CA 92649-1595 Tel: (714) 898-0960 • Fax: (714) 896-0971
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