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VF 2T/3T TRANSFORMER
SPECIFICATION NO. : IRS : TC 76-2000
DESCRIPTION :
V.F Tranformers (2T/3T) are used for terminating and derivation of the circuits in the underground telecom cables with various Impedance Ratio such as 1120:1120 , 470:1120 , 1120:600 , 470:470 & 470:600. Two/three such transformers are sealed at a time in a cylindrical brass enclouser.
TECHNICAL SHEET :
- CHARACTERISTICS: Terminating & Tapping Transformer For V.F.Circuits
- Impedance Ratio: 1120:1120±2%
- Insulation Resistance with 500V Winding-Winding-Case: 10,000 MΩ
- Dielectric Strength Winding-Winding-Case: 2KV(rms) FOR 1 min.
- Return Loss: More than 20dB
- Insertion Loss: Not more than 0.6dB
- Bridging Loss with secondary open: Not more than 0.015dB
- Attenuation Distortion: Within±0.1dB
- Winding Balance: More than 60dB
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