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TEW4923 Fiches technique(PDF) 1 Page - Filtran LTD

No de pièce TEW4923
Description  ISDN S-Bus Input/Output Transformer
Download  1 Pages
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Fabricant  FILTRAN [Filtran LTD]
Site Internet  http://www.filtran.com
Logo FILTRAN - Filtran LTD

TEW4923 Fiches technique(HTML) 1 Page - Filtran LTD

  TEW4923 Datasheet HTML 1Page - Filtran LTD  
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TEW4923 is designed/approved for
use as an input/output transformer
in the ISDN S-Interface.
Features
Certified to the safety re-
quirements of :
EN41003 and EN60959.
BABT CR/T/0053.
Fully encapsulated in epoxy
for mechanical protection
and to insure the dielectric
strength requirements.
TEW4923
AMD
79C30A
National
TP3420
Siemens PEB2080
Siemens PEB2081
Siemens PEB2085
Siemens PEB2086
TEW4923 - 1
Intel
29C53
TEW4923 - 2
Mitel
MT8930A
Mitel
MT8930B
Mitel
MT8931B
TEW4923 - 3
Motorola MC145474
Motorola MC145475
TEW4923 - 4
Motorola MC145574
Turns ratio
(1 - 3) : (6 - 4)
2 : 1
1.8 : 1
2 : 1
1 : 1
2.5 : 1
DCR
(Ohms)
(1 - 3)
5.4
6.7
8.4
3.7
12.8
(6 - 4)
2.7
3.2
3.7
3.2
3.2
Inductance
(mH)
(6 - 4)
> 22
> 22
> 22
> 22
> 22
Leakage Ind.
(µH)
(6 - 4)
< 6.0
< 6.0
< 12
< 6.0
< 12
L..C.L.
(dB)
10 - 300 KHz
> 54
> 54
> 54
> 54
> 54
Output/Input Impedance
Conforms to the impedance mask given in CCITT I.430.
Pulse Shape
Conforms to the pulse mask given in CCITT I.430 with
50 and 400 ohms terminations.
Dielectric Strength
(Volts rms)
4000
4000
4000
4000
4000
TEW4923, -1 and -3
WHITE DOT
AT PIN 1
6
5
4
ISDN S-Bus
Input/Output Transformer
TEW4923
1
2
3
MECHANICAL
ELECTRICAL
TEW4923
TEW4923-1
TEW4923-2
TEW4923-3
TEW4923-4
TEW4923-2
6
5
4
1
3
MT8930A/B
Connection of TEW4923-2
4
5
6
1
3
3
1
6
5
4
Filtran Limited
229 Colonnade Road, Nepean, Ontario, Canada, K2E 7K3,
3-8
Tel: (613) 226-1626, Fax: (613) 226-7124


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