Turns Ratio
(1-10, 2-9 : 4-7, 5-6)
Parameter
Inductance 1-10 (2-9, shorted)
Leakage Inductance
Interwinding Capacitance
DC Resistance 1-9 (2,10 shorted)
DC Resistance 4-6 (7,5 shorted)
Frequency Shaping
(relative to 50kHz)
Insertion Loss (50kHz)
Longitudinal Balance (1-500 kHz)
Primary Midpoint Grounded
Isolation
52
1500
@ 1kHz
@ 1MHz
Min.
25.5
1 : 1
+
2%
Typ.
28.0
7.3
3.5
2.5
2.0
0.5
0.5
0.2
Max.
Units
mH
µH
pF
Ω
Ω
dB
dB
dB
V
RMS
ADSL
Line Interface
Transformer
P/N T-1140
Schematic Diagram
1
10
2
9
8
4
7
5
6
Pin #8 is Shield
.625
(15.88)
.625
(15.88)
Materials used in construction of this
component meet or exceed UL Class B
and can be operated up to 130
o
C
.545
(13.84)
MAX.
.160
(4.06)
TYP.
.118
(3.00)
.100
(2.54)
TYP.
.048
(1.22)
PIN POSITION GRID 0.100 (2.54)
HOLES FOR BOBBIN PINS
HOLES FOR CLIPS
Pin Diameter is 0.025 (0.64)
White Dot indicates Pin #1
6
10
Bottom
View
Physical
Dimensions
inches (mm)
5
1
08/21/98
Rhombus
Industries Inc.
Transformers & Magnetic Products
15801 Chemical Lane, Huntington Beach, CA 92649
Phone: (714) 898-0960
FAX: (714) 896-0971
www.rhombus-ind.com