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TPW5640 Datasheet, PDF (1/1 Pages) Filtran LTD – ISDN U-Bus Input/Output Transformer
ISDN U-Bus
Input/Output Transformer
TPW5640 is designed to inter-
face with the subscribers prem-
ises (NT) and the 2-wire line
side of the Central Office Equip-
ment (LT) in the ISDN.
TPW5640 meets the electrical
specifications for the Motorola
MC145472 device.
TPW5640 conforms to the re-
quirements of the ANSI T1.601-
1988.
TPW5640
MECHANICAL
0.55
0.11
7
Device 6
5
0.020
0.80
Dot at
pin 1
A
11 12
8
7
65
1
2
0.80
B
All dimensions
are in inches
A & B are
2 gnd. pins
dia, 0.027
length, 0.15
1
12 Line
2 side
11
Drill pattern seen from
component side
Grid, 0.1 x 0.1
ELECTRICAL SPECIFICATION
Line Impedance (Ω)
DCR
(Ω)
Inductance
Leakage Ind.
Turns Ratio
Longitudinal Bal.
(mH)
(µH)
(dB)
Dielectric Strength (V rms)
(7 - 5)
(2 - 11)
(1 - 12)
(1 - 11)
(1 - 11)
(7 - 5) : (1 -11)
1 - 4 KHz
4 - 160 KHz
Pri to Sec
windings to core
TPW5640
135
2.3
2.3
2.3
> 28
< 20
1:2
> 60
> 55
1500
1500
@ 50 mA
strap 2 to12
Filtran Limited
229 Colonnade Road, Nepean, Ontario, Canada. K2E 7K3,
Tel : (613) 226-1626 Fax : (613) 226-7124
4-23