Audio This specification describes a high performance line matching transformer with the following features. • • • • • TEA4451 Line Matching Transformer Applications: Line matching in 600 and 900 ohm circuits where low cross talk, accurate impedance matching and high dielectric withstanding voltages are required. High dielectric strength. Creepage distances and insulation conforming to BS 6301. Low insertion loss. Low profile. Conforms to FCC part 68 and Canadian CS03. MECHANICAL 0.748 DIMENSIONS ARE IN INCHES 4 8 0.60 1 5 4 8 3 7 2 6 1 5 TEA4451 0.20 TEA4451-1 DOT AT PIN 1 4 1 0.748 8 5 GRID 0.1 x 0.1 BOTTOM VIEW Issue: C 95/04/05 4451.CHP ELECTRICAL DRILL 0.040 8 PLACES 0.60 TEA4451 TEA4451-1 TEA4451 and TEA4451-1 transformers have the following performances when equally terminated with 600 Ohms at the input and output terminals. Frequency response 0.25 dB max. 0.25 dB max 200 to 3500 Hz. Insertion loss 0.50 dB max 0.50 dB max @ 1000 Hz. Return loss 17.0 dB min 17.0 dB min 200 to 3500 Hz. Resistance 25.0 Ω nom. 12.5 Ω nom. each winding. Dielectric strength 2500 Vrms 2500 Vrms Pri to Sec. and windings to core. Longitudinal balance 65 dB min 65 dB min 200 to 3500 Hz Cross talk 110 dB min. 110 dB min @ 0.1" distance Filtran Limited 229 Colonnade Rd. , Nepean, Ont., K2E 7K3, Canada Tel: (613) 226-1626 , Fax: (613) 226-7124 7-8