T-1272 Datasheet, PDF (1/1 Pages) Rhombus Industries Inc. – ADSL TRANSFORMER

Turns Ratio (10 - 8) : (9 - 7)
(10 - 7) : (1- 4)
1 : 1 + 1%
1 : 1 Short (2--3, 8-9)+ 1%
Parameter
Inductance 1-4 (2-3, shorted) ¹
Leakage Inductance ²
Interwinding Capacitance ³
DC Resistance (1-3)
DC Resistance (2-4)
DC Resistance (10-8)
DC Resistance (9-7)
Longitudinal Balance 1KHz - 1MHz
Insertion Loss at 100 kHz
Hi-Pot Pin (1 to 10,9) and (2 to 10,9)
Frequency Response
Min.
4.5
1.16
1.16
0.99
1.35
40
1500
+1.1 dB
Typ.
Max.
Units
5
5.5
mH
16
µH
50
pF
1.29
1.42
Ω
1.29
1.42
Ω
1.10
1.21
Ω
1.50
1.65
Ω
dB
0.5
dB
V_RMS
at 30 kHz - 1.1 MHz
ADSL
TRANSFORMER
Designed to meet supplementary
insulation requirements of IEC950
for a working voltage of 250V
Designed for use with Analog
Devices ADSL IC: AD20MSP910
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
PRI ³
(Line Side) ₂
8 _SEC
9^(Device)
.560
(14.22)
MAX.
.495
(12.57)
MAX.
.550
(13.97)
MAX.
4
7
PIN POSITION GRID 0.100 (2.54)
HOLES FOR BOBBIN PINS
.100
(2.54)
TYP.
10 9 8 7 6
Bottom
View
.210
(5.33)
TYP.
.400
(10.16)
TYP.
Pin Diameter is 0.025 (0.64)
Physical Dimensions
inches (mm)
1234 5
Rhombus
Industries Inc.
Transformers & Magnetic Products
Rhombus P/N: T-1272
Cust. P/N:
Name:
Date: 9/02/99
Sheet:
1 of 1
www.rhombus-ind.com
15801 Chemical Lane,
Huntington Beach, CA 92649-1595
Phone: [phone]
FAX: [phone]