TEW5111 Datasheet, PDF (1/1 Pages) Filtran LTD – CEPT/T1 Input Transformer

CEPT/T1
Input Transformer
TEW5111 is designed and
approved to be used as a
receive transformer with the
following devices:
MITEL
MT89760
MT89790
Low profile Surface Mount.
MECHANICAL
White dot
at pin 1
Top view
12.2
9.6
9.1
5.2 max
Complies with ANSI T1.408 and
CCITT I.431 for Longitudinal
Balance and T1.408, G.703 &
BS6328 for Return Loss.
Typical applications are:
• Primary rate ISDN network
nodes.
• PBX or computer to
T1/CEPT Digital Trunks.
• TDM Multiplexers.
All dimensions
are in mm.
2.54 (6 places)
0.6
Recommended
foot print
1.27
Com. 1
75 Ω 7
100 & 120 Ω 8
1.9
2.54
7.62
12.7
TEW5111
3
6
Device
4
5
ELECTRICAL SPECIFICATION
Line Impedance
Turns ratio
Inductance (mH)
DCR (Ohms)
Longitud. Bal.
Return Loss
(3-6):(4-5):(1-8)
(3-6):(4-5):(1-7)
(1-8)
(1 - 8)
(3 - 5)
Pulse Mask
Dielectric Strength (Vrms)
TEW5111 - 1
-2
100 Ω
1:1:1
—-
> 2.0
120 Ω
1 : 1 : 1.26
—-
> 1.2
-3
75 Ω
1:1:1
—-
> 0. 7
-4
75/120 Ω
1 : 1 : 1.26
1 : 1 :1
> 1.2
T.408
T.408
T1
1500
I.431
G.703
CEPT
1500
I.431
G.703
BS6328
CEPT
1500
I.431
G.703
BS6328
CEPT
1500
Filtran Limited
229 Colonnade Road, Nepean, Ontario, Canada. K2E 7K3,
Tel : [phone] Fax : [phone]
2-28