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TEW4922 Fiches technique(PDF) 1 Page - Filtran LTD

No de pièce TEW4922
Description  CEPT/T1 Input Transformer
Download  1 Pages
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Fabricant  FILTRAN [Filtran LTD]
Site Internet  http://www.filtran.com
Logo FILTRAN - Filtran LTD

TEW4922 Fiches technique(HTML) 1 Page - Filtran LTD

  TEW4922 Datasheet HTML 1Page - Filtran LTD  
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TEW4922 is designed and approved
to be used as a receive transformer
with
MITEL MT89760/-60B and
MT89790/-90B devices.
Fully encapsulated in epoxy.
Also suitable as input/output
transformer for other makes of
T1/CEPT interface devices.
Typical applications are:
Primary rate ISDN network
nodes.
PBX or computer to T1/CEPT
Digital Trunks.
High speed data link using
T1/CEPT Digital Trunk.
BABT certified for reinforced
insulation to
EN60950 & EN41003.
Cert #: CR/T/0052
Devices
MT89760
MT89790
MT89790
MT89790
MT89760B
MT89790B
MT89790B
MT89790B
Application
T1
CEPT
CEPT
CEPT
Line Impedance
100
120
75
75/120
DCR
(Ohms)
(1 - 3)
1.55
1.55
1.11
1.1
(6 - 4)
0.85
1.08
0.55
0.7
Turns ratio
(1 - 2) : (2 - 3): (6 - 4)
1: 1 : 1
1 : 1 : 1.26
1 : 1 : 1
1 : 1 : 1.26
(1 - 2) : (2 - 3): (6 - 5)
—-
—-
—-
1 : 1 : 1
Inductance
(mH)
(6 - 4)
> 3.5
> 2.8
> 0.70
> 2.8
Longitud. Bal.
T1.408
I.431
I.431
I.431
Return Loss
T1.408
G.703
G.703
G.703
BS6328
BS6328
Dielectric Strength, Volts RMS
4000V
4000V
4000V
4000V
4000V
Temperatures,
Operating
0
o to 50oC
Storage
-20
o to 80oC
MECHANICAL
TEW4922-1, -2 @ -3
WHITE DOT
AT PIN 1
1
2
3
6
4
Line
Device
CEPT/T1
Input Transformer
TEW4922
Filtran Limited
229 Colonnade Road, Nepean, Ontario, Canada, K2E 7K3
2-16
Tel: (613) 226-1626 Fax: (613) 226-7124
ELECTRICAL SPECIFICATION
TEW4922-1
- 2
- 3
- 4
TEW4922-4
1
2
3
com 6
75
Ω 5
120
Ω 4
Line
Device


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