RHOMBUS-IND T-1272

1 : 1 + 1%
1 : 1 Short (2--3, 8-9)+ 1%
Turns Ratio (10 - 8) : (9 - 7)
(10 - 7) : (1- 4)
Parameter
Min.
Typ.
Max.
Units
Inductance 1-4 (2-3, shorted) 1
4.5
5
5.5
mH
16
µH
50
pF
1.42
1.42
1.21
1.65
Ω
Ω
Ω
Ω
Leakage Inductance
2
Interwinding Capacitance 3
DC Resistance (1-3)
DC Resistance (2-4)
DC Resistance (10-8)
DC Resistance (9-7)
1.16
1.16
0.99
1.35
Longitudinal Balance 1KHz - 1MHz
1.29
1.29
1.10
1.50
40
0.5
Frequency Response
Designed for use with Analog
Devices ADSL IC: AD20MSP910
dB
1500
+1.1 dB
Designed to meet supplementary
insulation requirements of IEC950
for a working voltage of 250V
dB
Insertion Loss at 100 kHz
Hi-Pot Pin (1 to 10,9) and (2 to 10,9)
ADSL
TRANSFORMER
VRMS
at 30 kHz - 1.1 MHz
1. Tested at 10 kHz - 1.0 V
2. Tested at 100 kHz - 100 mV pins 1-4 (shorted 2-3, 8-9, 7-10)
3. Tested at 10 kHz -1.0VAC, 1-10 (shorted 2-3, 8-9)
Schematic Diagram
1
10
3
PRI
(Line Side)
.560
(14.22)
MAX.
8
2
9
4
7
SEC
(Device)
.550
(13.97)
MAX.
PIN POSITION GRID 0.100 (2.54)
HOLES FOR BOBBIN PINS
.495
(12.57)
MAX.
.210
(5.33)
TYP.
.100
(2.54)
TYP.
10
9
8
7
.400
(10.16)
TYP.
Pin Diameter is 0.025 (0.64)
6
Physical Dimensions
inches (mm)
Bottom
View
1
2
3
4
5
Rhombus P/N:
Cust. P/N:
Date:
9/02/99
Rhombus
Industries Inc.
Transformers & Magnetic Products
www.rhombus-ind.com
T-1272
Name:
Sheet:
1 of 1
15801 Chemical Lane,
Huntington Beach, CA 92649-1595
Phone: (714) 898-0960
FAX: (714) 896-0971