T-977 Datasheet, PDF (1/1 Pages) Rhombus Industries Inc. – HDSL TRANSFORMER

PARAMETER
Turns Ratio
Line Impedance
UNITS
1CT : 1.8CT +3%
135
Ω
T-977
HDSL
TRANSFORMER
Inductance ¹
Longitudinal Balance
5 kHz to 292 kHz
2.75+ 6% mH _{Designed for HDSL applications}
50 min.
dB ^{Compatible with Level One SK70704}
Primary DC Resistance Pins (2-4)
3.2 Max. Ω Low Profile "Touch Tone" design
Secondary DC Resistance (6-8) or (8-10) 3.0 Max.
Ω
A Surface Mount version of this
Frequency Response
+0.2
dB ^{transformer is available}
40kHz - 300kHz
Insertion Loss @ 100kHz
Isolation (HI-POT)
Primary DC
Return Loss @ 100kHz
0.3
2000
75
20 min.
dB
V_RMS
mA
dB
SCHEMATIC DIAGRAM
4
6
PRI ₃
8 ^SEC
THD
(5 KHz, 6V_p-p 135 Ω)
-75 Min.
1. Line Side, Pins (10-6), @ 10KHz and 100 mV
Operating Temp. Range -40⁰C to +85⁰C
Surge Voltage Capability:
Metallic Voltage: 800 V peak, 10/700 µS
Longitudinal Voltage: 2400 V peak, 10/560 µS
dB
2
10
Line Side Pins 6-10
Chip Side Pins 4-2
Primary is Chip Side
Secondary is Line Side
Physical Dimensions in inches (mm)
POSITION GRID
(P.C. PATTERN, COMPONENT SIDE)
.800
(20.32)
.150
(3.81)
TYP.
.060 DIA.
(1.52)
TYP.
Rhombus
Industries Inc.
Transformers & Magnetic Products
Notch on bobbin indicates pin #1
1/22/96
15801 Chemical Lane, Huntington Beach, CA 92649
Phone: [phone]
www.rhombus-ind.com
FAX: [phone]