TEW5009

www.DataSheet4U.com T1/CEPT/ISDN TEW5009 is specifically designed to be used as an isolation transformer in test setups for testing Longitudinal Balance and Return Loss in Primary Rate and Basic Rate Circuits. Special attention has been given to the problems associated with the coupling capacitance between windings when Test Transformer TEW5009 transforming from balanced to unbalanced circuits. Shield between windings. Very low Leakage Inductance. Excellent balance. MECHANICAL 2 H 4 Unbal. 9 5 ALL DIMENSIONS ARE IN INCHES 0.15 7 Bal. 3 8 DIA 0.025 0.020 8 PLACES DRILL PATTERN COMPONENT SIDE 2 HOLES DIA. 0.055" 10 HOLES DIA. 0.040" 6 10 G W G 0.70 Dimensions L 1.15" max. 1.00" max. 0.85" max GRID 0 .10" X 0.10" 5 1 1 5 DOT AT PIN1 L G. 2 GND PINS 0.020" X 0.040" W H ELECTRICAL SPECIFICATIONS TEW5009 100 Ω Bal. 100 Ω Unbal. < 1.0 dB Range, 75 - 150 Ω “ ” 1 KHz - 10 Mhz Impedance TEW5009 Pri. Sec. (2-7)+(3-8) (4-9) Frequency Response Turns ratio Inductance Leakage Ind. Wind. Res. Dielectric Strength Pri. Sec. (2-7)+(3-8) (4-9) (2-7):(3-8):(4-9) (4-9) 93/04/26 1:1:2 > 20 mH < 2.0 µH 1.92 Ω 0.97 Ω 1500 Vrms ISSUE: B Filtran Limited 229 Colonnade Road, Nepean, Ontario, Canada. K2E 7K3, Tel: (613) 226-1626 Fax: (613) 226-7124 6-3 T1/CEPT/ISDN Test Transformer TEW5009 R DEVICE UNDER TEST R Test Transformer TEW5009 Figure 1: Test circuit for Longitudinal Balance. R R R R Device under test R TEW5009 Figure 2: Test circuit for Retu...