RHOMBUS-IND T

ISDN S-Interface Dual Transformer
Turns Ratio Pins 1-4:16-13 & 5-8:12-9
UL 1459 Recognized
R
1:2 & 1:2
SCHEMATIC DIAGRAM
PARAMETER
MIN.
MAX.
UNITS
PRI
Open Circuit Inductance
1-4 (1)
5-8 (2)
22
mHy
Leakage Inductance
1-4 (1) Short 16-13 (3)
5-8 (2) Short 12-9 (4)
15
15
µHy
µHy
Interwinding Capacitance (CW/W)
1-4 (1) & 16-13 (3)
5-8 (2) & 12-9 (4)
100
100
pF
pF
Distributed Parallel Capacitance
1-4 (1)
5-8 (2)
80
80
pF
pF
1.95
2.64
ohms
3.40
4.60
ohms
Primary DC Resistance: 1-4 (1) ; 5-8 (2)
Secondary DC Resistance:16-13 ;12-9
(3)
(4)
Isolation (HI-POT)
2000
VRMS
SEC
1
16
2
3
15
14
4
13
5
12
6
7
11
10
8
9
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.
OPrimary is Line Side
OUnbalanced current at TE: ∆ Idc = 1 mAmax.
OLongitudinal Conversion Loss - 10KHz
to 300 KHz: 60dB min.
Parts shipped in anti-static
tubes. 18 pieces per tube
Package Dimensions in Inches (mm)
Oscillation Voltage = 700mV
Oscillation Frequency = 10.0 KHz
1. Connect Pins 2 & 3
2. Connect Pins 6 & 7
3. Connect Pins 14 & 15
4. Connect Pins 10 & 11
Rhombus
Industries Inc.
Transformers & Magnetic Products
RHOMBUS P/N: T-13503
CUST P/N:
DATE: 3/24/94
www.rhombus-ind.com
NAME:
SHEET:
1 OF 1
15801 Chemical Lane,
Huntington Beach, CA 92649-1595
Phone: (714) 898-0960 FAX: (714) 896-0971