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T-10454 Datasheet, PDF (1/1 Pages) Rhombus Industries Inc. – ISDN S Interface Transformer
ISDN S Interface Transformer
REINFORCED INSULATION PER EN 41003/EN 60950
Turns Ratio ( + 2% )
1CT : 2.5CT*
SCHEMATIC
DIAGRAM
PARAMETER
MIN.
MAX.
UNITS
Open Circuit Inductance
22
mHy
Leakage Inductance
40
µHy
Interwinding Capacitance (CW/W)
Distributed Capacitance (CD)
Primary DC Resistance
100
pF
110
pF
2.13
2.88
ohms
Secondary DC Resistance
4.93
6.67
ohms
Isolation (HI-POT)
4.0K
VRMS
TEST CONDITIONS:
Oscillation Voltage = 700mV
Oscillation Frequency = 10.0 KHz
Inductance measured on Primary winding. Pins 1 - 4 (short 2 & 3).
*Short Pins 2 & 3 and 6 + 7
1
2
Pri
3
4
8
7
Sec
6
5
MEETS THE PULSE WAVEFORM
TEMPLATE OF CCITT I.430.
Primary is Line Side
Unbalanced current at TE: ∆ Idc = 1 mA max.
Flammability: Materials used in the
production of these units are UL94-VO
and meet requirements of IEC 695-2-2
needle flame test.
Longitudinal Conversion Loss - 10KHz to 300
KHz: 60dB min.
PHYSICAL DIMENSIONS
inches (mm)
.558
(14.2)
MAX.
.400
(10.16)
MAX.
.120
(3.05)
MIN.
Unused Pins Omitted
8-Pin Bottom View
.400
(10.16)
1
8
2
7
.558
(14.2)
MAX.
3
6
4
5
.558
(14.2)
MAX.
.100
(2.54)
TYP.
.400
(10.16)
Rhombus
Industries Inc.
Transformers & Magnetic Products
.558
(14.2)
MAX.
RHOMBUS P/N: T-10454
CUST P/N:
DATE: 12/09/98
NAME:
SHEET: 1 OF 1
www.rhombus-ind.com
15801 Chemical Lane,
Huntington Beach, CA 92649-1595
Phone: (714) 898-0960 FAX: (714) 896-0971