defining a degree of excellence V.34 MODEM TRANSFORMERS 0574-1000-15 and 0574-1000-16 TM0054 MECHANICALS 0.500 (12.7) Max 0.650(16.5) Max 1 0.084(2.13) Min 6 bel 5 Date Code Part No. 3 0.650 (16.5) Max 0.300(7.6) [0.150" Pin to Pin] 4 0.023(0.6) Diameter 0.500(12.7) 1 SCHEMATIC 6 Primary 5 ELECTRICALS SPECIFICATIONS 56 340 120 145 +/- 0.2 2.5 Max 40 Typ None 1250 1:1 70 Min 60 Min - 86 Max Kb/s ohms ohms ohms dB dB dB -VAC -dB dB dB TYPICAL DISTORTION FIGURES (T.H.D.) Ref 100 150 Hz Hz -10 dBm -70 -77 -10 dBm -76 -81 200 Hz -81 -84 Corporate Office Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302-4496 Tel: 201-432-0463 Fax: 201-432-9542 E-Mail: [email protected] Internet: http://www.belfuse.com 250 Hz -84 -86 300 Hz -87 -88 600 Hz -93 -94 Far East Office Bel Fuse Ltd. 8F/8 Luk Hop Street San Po Kong Kowloon, Hong Kong Tel: 852-2328-5515 Fax: 852-2352-3706 4 Pin 5 is not connected. Transformer can be supplied without this pin if desired. TYPICAL FREQUENCY RESPONSE Frequency Response(dB) Suitable for modem speeds up to: Reflects 600 ohm at Pri with RLoad D.C. Resistance, 20oC, +/- 10%, Pri D.C. Resistance, 20oC, +/- 10%, Sec Frequency Response, 100 to 4000Hz Insertion Loss at 1KHz, 20oC Return Loss vs 600 ohms at 1KHz Direct Current Dielectric Test Pri-Sec, Pri to core Turns Ratio (Pri-Sec) 1KHz, +/- 1% Longitudinal Balance 60 to 1000Hz Longitudinal Balance 1000 to 4000Hz Total Harmonic Distortion 600Hz @ -10dBm PART NUMBER 0574-1000-15 0574-1000-16 3 UNITS Secondary 0.5 0.3 "-16" 0.1 0 -0.1 "-15" -0.3 -0.5 10 100 1000 4000 Frequency (Hz) All dimensions are in inches(mm). The dimension tolerance is +/- 0.01(0.25) unless otherwise specified. European Office Bel Fuse Europe Ltd. Preston Technology Management Centre Marsh Lane, Preston PR1 8UD Lancashire, U.K. Tel: 44-1772-556601 Fax: 44-1772-888366 T406