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ADSL
ISSUE: E 28/11/03 7191-7194
• Low cost through hole design
• Designed for use in ADSL applications where filtering is required
• Balanced winding
• Operating temperature range: -40°C to +85°C
• Units can withstand 100A surge of 10/700 µs pulse
• Flame retardant UL 94 V-0
Filter Inductors
7191 - 7194
Mechanical and Schematic (All dimensions in inches)
SCHEMATIC
UNLESS OTHERWISE SPECIFIED, ALL TOLERANCES ARE ±0.010
F/DC
719X
.650 Max
14
.540 Max
Ø.043 Typ
.100 Typ
.100 Typ
.173 ± .012
.016 SQ Typ
or
Ø.022 Typ
.098 Min
.455 Max
.012 X .018 Typ
1
3
2
4
PCB LAYOUT
ELECTRICAL SPECIFICATION @ 25˚C
Turns Ratio
±2%
Inductance
(mH)
DCR
(Ω)
Leakage
Inductance
(µH MAX)
Dielectric
Rating
(Vrms)
Part
Number
(1-3) : (4-2)
@ 20 kHz,
1 Vrms
(1-3)
@ 10 kHz,
0.1 Vrms
(1-3)
MIN
(1-3) (4-2)
(1-3)
@ 100 kHz,
0.1 Vrms
between
(1-3) & (4-2)
and
1, 2 and core
7191 1 : 1 3 – 3.3 2.85
1
2.1 – 2.7 2.1 – 2.7 5 1000
7192 1 : 1 2.4 – 2.65 2.3
1
3.0 – 3.6 3.0 – 3.6 5 1000
7193 1 : 1 4.3 – 4.73 4.1
1
4.0 – 5.1 4.0 – 5.1 6 1000
7194 1 : 1 7.6 – 8.4 7.3
2
4.3 – 5.8 4.3 – 5.8 6 1000
1. Measured @ 10 kHz, 0.1 Vrms, 100 mA DC
2. Measured @ 10 kHz, 0.1 Vrms, 40 mA DC
