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 (CW/W) Distributed Capacitance (CD) Primary DC Resistance Secondary DC Resistance Isolation (HI-POT)
MIN. 22
MAX.
UNITS mHy
11 100 180 2.13 4.25 4.0K 2.88 5.75
µHy pF pF ohms ohms VRMS
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.
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-13455 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
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