T-13504

SCHEMATIC DIAGRAM
ISDN S-Interface Dual Transformer
PRI
Turns Ratio Pins 1-4:16-13 & 5-8:12-9
PARAMETER
Open Circuit Inductance
1-4 (1)
5-8 (2)
1:2.5 & 1:2.5
MIN.
MAX.
22
UNITS
mHy
Leakage Inductance
1-4 (1) Short 16-13 (3)
5-8 (2) Short 12-9 (4)
15-40
15-40
SEC
1
16
2
3
15
14
4
13
5
12
6
7
11
10
8
9
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)
110
110
pF
pF
Primary DC Resistance: 1-4 (1) ; 5-8 (2)
2.12
2.87
ohms
Secondary DC Resistance:16-13 (3);12-9 (4)
4.93
6.67
ohms
Isolation (HI-POT)
2000
Flammability: Materials used in the
production of these units are UL94-VO
and meet requirements of IEC 695-2-2
needle flame test.
VRMS
MEETS THE PULSE WAVEFORM TEMPLATE OF CCITT I.430.
Parts shipped in anti-static trays. 40
pieces per tray.
OPrimary is Line Side
OUnbalanced current at TE: ∆ Idc = 1 mAmax.
OLongitudinal Conversion Loss - 10KHz
Parts available in Tape and Reel
add suffix "T" (T-13504T)
to 300 KHz: 60dB min.
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-13504
CUST P/N:
DATE: 9/12/00
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