V.90 Modem Transformer 6647 The 6647 is designed for V.90 applications and for PCMCIA type II cards to reflect 600 ohms on PRI with 287 ohms on SEC. • Designed to IEC950 supplementary insulation. • Low distortion, specifically designed for V.90 applications. • Available in tape and reel. MECHANICAL 0.040 [1.0] 0.096 2,4 0.822 ref [20,9] 0.172 max [4.4] 0.642 max [16,3] 1 PRI 3 1 6 SEC 4 6 0.330 max [8,4] 3 4 DC in PRI: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .None Return Loss: . . . . . . . . . . . .14 dB min., 200 Hz to 4 kHz. Turn Ratio: . . . . . . . . . . . . . . . . . . . . . . . . . . .1 : 1 ± 2 % Total harmonic Distortion: . . . . . .-85 dB Max. @ 600 Hz, . . . . . . . . . . . . . . . . . . . . . . . . .-10 dB m (V.90) ISSUE: 00/07/11 6647 ELECTRICAL SPECIFICATION DC Resistance @ 20 ˚C: PRI: . . . . . . . . . . . . . . . . . . . . .150 ohms ±10 % SEC: . . . . . . . . . . . . . . . . . . . . 145 ohms ±10 % Frequency Response: . . . . . .± 1.00 dB, 200 Hz to 4 kHz Dielectric Test: . . . . . . . . . . . . . . .1650 VAC, PRI – SEC Inductance: . . . . . . . . . . . . . . . . . . . . .1.5 H min., 1 kHz, . . . . . . . . . . . . . . . . . . . . . . . . . . .1.0 VAC, 1-3 An ISO 9001 Registered Company 229 Colonnade Road, Nepean, Ontario, Canada K2E 7K3 Tel: (613) 226-1626 Fax: (613) 226-7124 www.filtran.com