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| Voice & Data Coupling Transformers Impedance Matching Transformers for Telecommunications Frequency 300Hz to 3500Hz Designed to meet FCC part 68 Custom Designs Available Insertion Loss (1) (dB) 1.50 1.00 1.30 1.55 1.60 1.20 1.30 1.20 1.25 1.50 1.55 1.20 Return (2) Loss (dB) 11.5 14.5 12.5 11.0 10.5 12.5 11.0 13.0 16.0 9.5 12.0 13.0 DCR PRI. () 55.0 55.0 67.0 76.0 76.0 83.0 83.0 66.2 76.0 82.8 90.0 66.0 DCR SEC. () 65.0 70.0 76.0 92.0 92.0 126 126 82.2 86.0 85.4 110 82.0 Frequency (4) Response Schematic ( + dB ) Style / Pkg 0.5 0.3 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 A B B A A B B C D C D D / / / / / / / / / / / / 8-pin 8-pin 8-pin 8-pin 8-pin 8-pin 8-pin 12-pin 12-pin 12-pin 12-pin 12-pin Low Distortion May be used in V.32 applications Isolation is 1500 VRMS min. Impedance PRI. SEC. () () 600 600 600 900 900 900 900 600 600 900 900 600 600 600 600 600 600 600 600 600 600 600 600 600 Turns Ratio + 2% 1:1 1:1.127 1:1.127 1:0.817 1:0.817 1:0.942 1:0.942 1:1 1:1.125 1:.0816 1:0.946 1:1 DCI max. (mA) 80 80 80 80 80 80 80 80 80 80 80 80 Secondary load 600 with DC in Pri. Part Number T-31000 T-31001 T-31002 T-31003 T-31004 T-31005 T-31006 T-31010 T-31011 T-31012 T-31013 T-31014 THD (3) (dB) -65 -65 -53 -65 -53 -65 -53 -53 -59 -53 -53 -53 1. Insertion Loss measured at 1 KHz 2. Return Loss measured at 300 Hz 3. Total Harmonic Distortion measured at 0 dBm & 300 Hz 4. Frequency Response measured from 300 Hz to 3500 Hz 8 8-Pin Package ( T-31000 to T-31006 ) 1.00 (25.4) 1 2 Schematic "A" PRI 2 SEC 7 1 2 3 3 6 4 Schematic "B" 7 .200 (5.08) .750 (19.05) TYP. 1.69 (42.93) MAX. PRI SEC 7 Bottom View 6 3 4 6 5 .250 (6.35) 3 PL. Dimensions in Inches (mm) Unused Pins Omitted as per Schematic 1.39 (35.30) MAX. .150 (3.81) TYP. .680 (17.27) 12-Pin Package ( T-31010 to T-31014 ) 1.20 (30.48) MAX. .125 (3.18) TYP. 1 .035 (0.89) TYP. Schematic "C" PRI 1 SEC 7 Schematic "D" PRI 1 3 4 SEC 7 1.00 (25.4) 3 4 12 7 .200 (5.08) .950 (24.13) .400 (10.16) 1.41 (35.81) MAX. 6 12 6 12 6 .820 (20.83) Specifications subject to change without notice. .025 (0.63) SQ. .930 (23.62) MAX. VDC_A - 10/98 For other values & Custom Designs, contact factory. Rhombus Industries Inc. 9 15801 Chemical Lane, Huntington Beach, CA 92649-1595 Tel: (714) 898-0960 * Fax: (714) 896-0971 |
Price & Availability of T-31000
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