ISDN S Interface
Common Mode Choke
High Frequency
Designed for 4-Wire Links ISDN S / T1
Turns Ratio ( + 1% )
1:1:1:1
For EMI Reduction - Filters Common
Mode Noise
PARAMETER
1
MIN.
24
MAX.
UNITS
µHy
Open Circuit Inductance
500 V
RMS
Minimum Isolation Between
Windings
Frequencies 100 kHz to 200MHz
Flammability: Materials used in the
production of these units are UL94-VO
and meet requirements of IEC 695-2-2
needle flame test.
SCHEMATIC
DIAGRAM
Leakage Inductance
Interwinding Capacitance (C
W/W
)
DC Resistance (any winding)
Impedance @10 MHz
Impedance @30 MHz
Impedance @70 MHz
Impedance @100 MHz
Isolation (HI-POT)
1
0.20
15
0.30
0.9
1.6
1.15
0.80
500
µHy
pF
ohms
kΩ
KΩ
KΩ
KΩ
V
RMS
TEST CONDITIONS:
Oscillation Voltage = 700mV
Oscillation Frequency = 10.0 KHz
Inductance measured on 1 winding.
PHYSICAL DIMENSIONS
inches (mm)
RHOMBUS P/N:
F-1600
CUST P/N:
DATE:
11/1/96
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
RHOMBUS-IND [ Rhombus Industries Inc. ]
