ISDN S Interface Transformer
REINFORCED INSULATION PER EN 41003/EN 60950
Turns Ratio ( + 2% )
1CT : 2CT
SCHEMATIC
DIAGRAM
PARAMETER
Open Circuit Inductance
Leakage Inductance
Interwinding Capacitance (C
W/W
)
Distributed Capacitance (C
D
)
Primary DC Resistance
Secondary DC Resistance
Isolation (HI-POT)
MIN.
22
MAX.
UNITS
mHy
15
100
80
1.96
3.40
4.0K
2.65
4.60
µHy
pF
pF
ohms
ohms
V
RMS
TEST CONDITIONS:
Oscillation Voltage = 700mV
Oscillation Frequency = 10.0 KHz
Inductance measured on Primary winding. Pins 1 - 3.
MEETS THE PULSE WAVEFORM
TEMPLATE OF CCITT I.430.
Primary is Line Side
Unbalanced current at TE:
∆
Idc = 1 mA max.
Longitudinal Conversion Loss - 10KHz to 300
KHz: 60dB min.
Flammability: Materials used in the
production of these units are UL94-VO
and meet requirements of IEC 695-2-2
needle flame test.
Unused Pins Omitted
PHYSICAL DIMENSIONS
inches (mm)
RHOMBUS P/N:
T-10452
CUST P/N:
DATE:
12/09/98
NAME:
SHEET: 1 OF 1
Rhombus
Industries Inc.
Transformers & Magnetic Products
www.rhombus-ind.com
15801 Chemical Lane,
Huntington Beach, CA 92649-1595
Phone: (714) 898-0960 FAX: (714) 896-0971