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T-10454 Datasheet(PDF) 1 Page - Rhombus Industries Inc.

Part No. T-10454
Description  ISDN S Interface Transformer
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Maker  RHOMBUS-IND [Rhombus Industries Inc.]
Homepage  http://www.rhombus-ind.com
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Rhombus
Transformers & Magnetic Products
Industries Inc.
NAME:
SHEET:
DATE:
RHOMBUS P/N:
CUST P/N:
15801 Chemical Lane,
Huntington Beach, CA 92649-1595
Phone: (714) 898-0960
FAX: (714) 896-0971
www.rhombus-ind.com
ISDN S Interface Transformer
REINFORCED INSULATION PER EN 41003/EN 60950
.100
(2.54)
TYP.
.400
(10.16)
.400
(10.16)
.558
(14.2)
MAX.
8-Pin Bottom View
.558
(14.2)
MAX.
.558
(14.2)
MAX.
1
2
36
5
4
7
8
1 OF 1
Turns Ratio ( + 2% )
1CT : 2.5CT
*
SCHEMATIC
DIAGRAM
PHYSICAL DIMENSIONS
inches (mm)
Unused Pins Omitted
T-10454
12/09/98
PARAMETER
MIN.
MAX.
UNITS
Open Circuit Inductance
22
mHy
Leakage Inductance
40
µHy
Interwinding Capacitance (C
W/W)
100
pF
Distributed Capacitance (C
D)
110
pF
Primary DC Resistance
2.13
2.88
ohms
Secondary DC Resistance
4.93
6.67
ohms
Isolation (HI-POT)
4.0KV
RMS
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
Flammability: Materials used in the
production of these units are UL94-VO
and meet requirements of IEC 695-2-2
needle flame test.
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.
5
2
1
6
4
8
3
7
Sec
Pri
.558
(14.2)
MAX.
.400
(10.16)
MAX.
.120
(3.05)
MIN.




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