T-1249 Datasheet, PDF (1/1 Pages) Rhombus Industries Inc. – ADSL LINE INTERFACE TRANSFORMER

Turns Ratio (1-4 : 2-5)
(9-7 : 10-6)
(1-5 : 9-6) tie 2-4, 7-10
1 : 1 + 1%
1 : 1 + 1%
1.2 : 1 + 1%
Parameter
Inductance 1-5 (2-4, shorted) ¹
Min. Typ. Max. Units
3.76 3.96 4.16 mH
Leakage Inductance ²
18
µH
Interwinding Capacitance ³
60
pF
DC Resistance (1-4)
DC Resistance (2-5)
DC Resistance (9-7)
DC Resistance (10-6)
2.40 2.64
Ω
2.40 2.64
Ω
1.80 1.98
Ω
2.25 2.47
Ω
Hi-Pot 1-9 (shorted 2-4, 7-10)
1500
V_RMS
Longitudinal Balance
40
dB
20k-1.1MHz
1. Tested at 10 kHz - 100 mV
2. Tested at 100 kHz - 100 mV pins 1-5 (shorted 2-4, 7-10, 6-9)
3. Tested at 10 kHz -1.0VAC, 1-9 (shorted 2-4, 7-10)
ADSL LINE
INTERFACE
TRANSFORMER
Schematic Diagram
1
10
Pri ⁴
Line ₂
6 _Sec
Device
9
5
7
Primary = Line Side
Secondary = Device Side
Designed for use with
Motorola MC143418
Physical Dimensions
inches (mm)
PIN POSITION GRID 0.100 (2.54)
HOLES FOR BOBBIN PINS
1
10
2
9
3
8
4
7
5
6
BOTTOM VIEW
Rhombus
Industries Inc.
Transformers & Magnetic Products
Rhombus P/N: T-1249
Cust. P/N:
Name:
Date: 7/6/99
Sheet:
1 of 1
www.rhombus-ind.com
15801 Chemical Lane,
Huntington Beach, CA 92649-1595
Phone: [phone]
FAX: [phone]