TEW5009 FILTRAN | Alldatasheet
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Technical content
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 transforming from balanced to unbalanced circuits.
- Shield between windings.
- Very low Leakage Inductance.
- Excellent balance. Impedance Pri. (2-7)+(3-8) 100 Ω Bal. Range, 75 - 150 Ω Sec. (4-9) 100 Ω Unbal. “ ” Frequency Response < 1.0 dB 1 KHz - 10 Mhz Turns ratio (2-7):(3-8):(4-9) 1 : 1 : 2 Inductance (4-9) > 20 mH Leakage Ind. < 2.0 µH Wind. Res. Pri. (2-7)+(3-8) 1.92 Ω Sec. (4-9) 0.97 Ω Dielectric Strength 1500 Vrms ISSUE: B 93/04/26 TEW5009 Unbal. Bal. ALL DIMENSIONS ARE IN INCHES DRILL PATTERN COMPONENT SIDE 2 HOLES DIA. 0.055" 10 HOLES DIA. 0.040" GRID 0 .10" X 0.10" G. 2 GND PINS 0.020" X 0.040" DOT AT PIN1 DIA 0.025 0.020
8 PLACES
G G L 0.15 H W 0.70 L 1.15" max. W 1.00" max. H 0.85" max Dimensions ELECTRICAL SPECIFICATIONS TEW5009 MECHANICAL 5 1 Filtran Limited 229 Colonnade Road, Nepean, Ontario, Canada. K2E 7K3, 6-3 Tel: (613) 226-1626 Fax: (613) 226-7124 T1/CEPT/ISDN Test Transformer TEW5009