S574-1000-17 BEL | Alldatasheet
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Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302-4496
Tel: 201-432-0463 Fax: 201-432-9542 E-Mail: BelFuse@belfuse.com Internet: http://www.belfuse.com 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 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 defining a degree of excellence T407 TM0053 V.34 SRF. MNT. MODEM TRANSFORMERS S574-1000-17 and S574-1000-18 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, 20 oC Return Loss vs 600 ohms at 1KHz Direct Current Dielectric Test Pri-Sec, Pri to core Direct Current Turns Ratio (Pri-Sec) 1KHz, +/- 1% Longitudinal Balance 60 to 1000Hz Longitudinal Balance 1000 to 4000Hz Total Harmonic Distortion 600Hz @ -10dBm 4000 TYPICAL RETURN LOSS VERSUS 600 Ω "-18" "-17" 1000 Frequency (Hz) 0 200 Return Loss (dB) 0.3 -0.5 -0.3 -0.10 0.1 0.5 "-17" "-18" 10 100 Frequency (Hz) 1000 4000 Frequency Response(dB) TYPICAL FREQUENCY RESPONSEELECTRICALS SPECIFICATIONS ohms ohms ohms dB dB dB VAC dB dB dB UNITS All dimensions are in inches(mm). The dimension tolerance is +/- 0.01(0.25) unless otherwise specified. 0.420 (10.67) Max 0.420 (10.67) Max 0.73 (18.54) 0.050 (1.3) 0.100 (2.54) 0.080 (2.03) V.34 340 120 145 +/- 0.2
2.5 Max
37 Typ
1:1
70 Min
60 Min
- 86 Max PART NUMBER S574-1000-17 S574-1000-18 100 Hz -72 -59 Ref -10 dBm -10 dBm 600 Hz -93 -88 150 Hz -80 -66 200 Hz -83 -72 250 Hz -86 -75 300 Hz -89 -78 TYPICAL DISTORTION FIGURES (T.H.D.) 2 10 SecondaryPrimary 4 6 SCHEMATIC D.C. Part No. 0.700(17.78) MaxPin 2 0.550 (13.97) Max MECHANICALS Pin 2 0.550 (13.97) Max 0.575(14.61) Max bel D.C. Part No.4 SUGGESTED PC BOARD LAYOUTS574-1000-18S574-1000-17