TPA3858-2

Audio Line Coupling / Bridging Transformer TPA3858 TPA3858 is a 1 : 1 line matching transformer with the following features. • • • • • Low profile. Small volume. Conforming to FCC part 68 and Canadian CS 03 regulations. Low cost. High insulation voltage. Applications: Interfacing equipment to telephone line, requiring small size and high insulation voltage. TPA3858-2 is designed for high impedance bridging applications. MECHANICAL 0.50 MAX DIMENSIONS ARE IN INCHES 0.50 MAX 0.12 MIN DIA 0.025 4 5 4 3 2 1 TPA3858-1 5 6 7 8 1 TPA3858 8 8 5 DRILL 0.040 8 PLACES 0.45 MAX 4 2 3 1 TPA3858-2 5 7 6 8 1 WHITE DOT 4 GRID 0.10 x 0.10 ELECTRICAL Impedance TPA3858.CHP TPA3858 & -1 600 : 600 Ω @ 1000 Hz 300 -5000 Hz 300 - 3500 Hz (1 - 4) (5 - 8) 300 - 3500 Hz < 1.0 dB < 1.0 dB > 65 dB 57 Ω nom. 57 Ω nom. > 15 dB TPA3858-2 10 K : 10 K < 0.5 dB < 0.5dB > 65 dB 250 Ω nom. 250 Ω nom. Insertion Loss Frequency Response Longitudinal Balance 95/04/05 Winding Resistance Return loss Bridging Loss on 600 Ω line and when teminated 10 KΩ at the output Dielectric Strength ISSUE:E < 0.25 dB 2500 Vrms 2500 Vrms Filtran Limited 229 Colonnade Road, Nepean, Ontario, K2E 7K3, Canada, Tel:(613) 226-1626, Fax:(613) 226-7124. 7-6