ISDN S Interface Transformer
Turns Ratio ( + 2% )
1CT : 2.5CT
*
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
30
100
150
2.13
4.93
2.0K
2.88
6.67
碌Hy
pF
1
Pri
7
6
Sec
5
pF
ohms
ohms
V
RMS
2
3
4
TEST CONDITIONS:
Oscillation Voltage = 700mV
Oscillation Frequency = 10.0 KHz
Inductance measured on Primary winding. Pins 1 - 3.
*Short Pins 5 + 6
MEETS THE PULSE WAVEFORM
TEMPLATE OF CCITT I.430.
Primary is Line Side
Unbalanced current at TE:
鈭?/div>
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.
PHYSICAL DIMENSIONS
inches (mm)
.560
(14.22)
MAX.
.560
(14.22)
MAX.
.360
(9.14)
.400
(10.16)
MAX.
.020
(0.51)
TYP.
.100
(2.54)
TYP.
.010
(0.25)
TYP.
.110
(2.79)
TYP.
.740 (18.80)
.710 (18.03)
RHOMBUS P/N:
T-13403
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
1
