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PDF TEW4921 Data sheet ( Hoja de datos )
| Número de pieza | TEW4921 | |
| Descripción | CEPT /T1 Output Transformer | |
| Fabricantes | Filtran | |
| Logotipo |  |
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CEPT /T1
www.DataSheet4U.com
Output Transformer
TEW4921 is designed and ap-
proved to be used as a transmit
transformer with the Mitel
MT89760/-60B and MT89790/-
90B devices in T1 and CEPT ap-
plications.
Complies with ANSI T1.408 and
CCITT I.431., with regards to
Longitudinal Balance.
TEW4921-2 is designed for
MT89790B when operating from
a single 5 Vdc supply.
Typical applications are:
• Primary rate ISDN network
nodes.
• PBX or computer to
T1/CEPT Digital Trunks.
• TDM Multiplexers.
Fully encapsulated in epoxy.
BABT certified for reinforced in-
sulation to EN60950 & EN41003.
Cert #: CR/T/0052
TEW4921
MECHANICAL
6
Line side
4
TEW4921 & -1
1
2 Device
3
6
WHITE
DOT
AT PIN 1
Line side
5
4
TEW4921-2
ELECTRICAL SPECIFICATIONS
Impedance
DCR
(Ohms)
Turns ratio
Inductance (mH)
Pulse Mask
Longitud. Bal. (dB)
(1 - 3)
(6 - 4)
(1-2):(2-3):(6 -4)
(1-2):(2-3):(6 -5)
(6 - 4)
50 - 1544 KHz
Dielectric Strength, (Vrms)
Temperatures Operating
Storage
0o to 50o C
-20o to 80o C
TEW4921
100 & 120 Ω
3.5
0.35
1 : 1 : 0.53
n/a
> 1.0
T1 & CEPT
> 40 dB
4000 V
TEW4921-1
75 Ω
3.5
0.25
1 : 1 : 0.39
n/a
> 0.57
CEPT
> 40 dB
4000 V
Filtran Limited
229 Colonnade Road, Nepean, Ontario, Canada. K2E 7K3,
Tel : (613) 226 1626 Fax : (613) 226 7124
1
2 Device
3
TEW4921-2
75/120 Ω
3.5
0.35
1 : 1 : 1.37
1 : 1 : 1.12
> 1.5
CEPT
> 40 dB
4000 V
2-15
1 page | ||
| Páginas | Total 1 Páginas | |
| PDF Descargar | [ Datasheet TEW4921.PDF ] | |
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