TEW5043
TEW5043 is CEPT Matching Transformer manufactured by Filtran.
..
CEPT
Matching Transformer
TEW5043 is specifically designed to match a 120 Ω twisted pair to a 75 Ω coaxial line in the CEPT trunk. The Longitudinal balance exceeds the requirements of CCITT I.431.
The Return Loss exceeds the requirements of CCITT G.703 and BS6328.
DO NOT USE IN NEW DESIGNS. Use TEW5054 where possible.
MECHANICAL
Top view White dot at pin 1
19.4 MAX 2.54 ( 8 PLACES)
1 75 Ω unbal. 6
9 8 120 Ω bal. 7
13 ± 0.1
0.6 13.0
9.0 ± 0.1
All dimensions are in mm.
2.54 1.27
REMENDED FOOT PRINT
ELECTRICAL SPECIFICATIONS
TEW5043.
TEW5043 75 Ω 120 Ω 1 : 1.26 > 5.0 m H CEPT
Line Impedance Turns ratio Inductance Pulse Mask Longitudinal Bal. Return Loss Dielectric Strength
Pri. Sec.
(1
- 6) (7
- 9) unbalanced balanced
95/03/01
(1
- 6) : (7
- 9) (7
- 9)
ISSUE: B
(CCITT I.431) (CCITT G.703 and BS6328)
> 40 d B > 15 d B > 20 d B 1500 Vrms
- 1544 KHz 50
- 100 KHz 100- 3000 KHz
Filtran...
