T-1298 Datasheet, PDF (1/1 Pages) Rhombus Industries Inc. – HDSL TRANSFORMER

T-1298 HDSL TRANSFORMER
PARAMETER
Turns Ratio
2 : 1 +1%
UNITS
Designed to meet UL1950 and EN60950
reinforced insulation for a working
voltage of 150V and supplementary
insulation for a working voltage of 300V.
Inductance (Line Side) ¹
2.0 +6%
mH
Leakage Inductance ¹
11.0 Max
µH
Designed for HDSL applications
Longitudinal Balance
40 kHz to 300 kHz
50 min.
dB
Primary DC Resistance
2.5 Max.
Ω
Secondary DC Resistance
1.0 Max.
Ω
Frequency Response
33kHz - 110kHz
+0.1
dB
Insertion Loss @ 40kHz
Rs=135Ω R_L=32Ω
Isolation (HI-POT)
Primary DC
0.5 Max.
2050
160
dB
V_RMS
mA
Return Loss @ 40kHz - 300kHz 16.5 min.
dB
THD
(20 KHz, 4.5Vp-p)
70 Min.
dB
Tested at 10 kHz - 0.1VAC
Compatible with Brooktree BT8921
& BT8970 at 1168kbs.
Custom versions of this
transformer are available.
A Surface Mount version of this
transformer is available
SCHEMATIC DIAGRAM:
1
9
4
PRI.
2
SEC.
7
5
Line Side Pins 1-4 + 2-5
Device Side Pins 9-7
PIN POSITION GRID 0.100 (2.54)
HOLES FOR BOBBIN PINS
10 9 8 7 6
Physical Dimensions
in inches (mm)
1 234 5
R ho m bus
Industries Inc.
Transformers & Magnetic Products
4/5/99
15801 Chemical Lane, Huntington Beach, CA 92649
Phone: [phone]
FAX: [phone]
www.rhombus-ind.com