TLA4891-1

Audio Line Matching Transformer Applications: • • • Low profile. Up to 90 mA unbalanced line current. Exceeds the requirements of FCC Part 68 and CS 03. TLA4891 TLA4891 series transformers are designed to interface telecommunications equipment to a telephone line, capable of handling unbalanced DC. MECHANICAL 1 Pri. 3 TLA4891-1 4 Sec. 6 1 Pri 2 3 TLA4891-2 DIMENSIONS, Inches (mm) 1 P/N L W H A B C S (DIA) Pri. TLA4891 1.25 (31.8) 0.81 (20.4) 0.50 0.95 0.20 (12.7) (24.13) (5.08) 0.20 (5.08) 0.027 (0.68) 3 6 TLA4891-3 4 2 5 6 5 Sec. 4 Sec. ELECTRICAL TLA4891 TLA4891-1 Pri. Sec. Pri. : Sec. Pri. Sec. 600 Ω 600 Ω 1:1 75 100 1.7 dB - 2.5 dB 65 dB > 14.5 dB 90 mA 1500 Vrms TLA4891-2 600 Ω c.t. 600 Ω c.t 1:1 75 100 1.7 dB - 2.5 dB 65 dB > 14.5 dB 90 mA 1500 Vrms TLA4891-3 600 Ω 150/150 Ω 1:1 75 50 +50 1.7 dB - 2.5 dB 65 dB > 14.5 dB 90 mA 1500 Vrms Line Impedance Turns Ratio 95/04/11 Winding Resistance, Ohms nom. Insertion Loss Frequency Response Longitudinal Balance Return Loss DC Capability Dielectric Strength ISSUE: C @ 1000 Hz 300 - 3500 Hz 300 - 3500 Hz 300 - 3500 Hz Filtran Limited 229 Colonnade Road, Nepean, Ontario, Canada. K2E 3K7 Tel : (613) 226-1626 Fax : (613) 226-7124 8-8