PARAMETER T-1470 UNITS Turns Ratio 1 : 1 +3% Primary Impedance 600 Ω Secondary Impedance 600 Ω Power Level -45 to +7 dBm Insertion Loss @ 1 kHz, 0 dBm 1.4 Typ. dB Frequency Response 0.3 - 4 kHz, 0 dBm + 0.5 dB DC Unbalance 0 mA Longitudinal Balance 0.200 to 4 kHz 60 Min. dB Primary DCR (Pins 1-4) 76 +20%. Ω Secondary DCR (5-7) 135 +20%. Ω THD @ 300 Hz, 0dBm -0.5 Max. % Isolation (HI-POT) (Pri. to Sec.) Isolation (HI-POT) (Pri. to Core.) Isolation (HI-POT) (Sec. to Core) 1500 1500 1000 VRMS VRMS VRMS Telecomunication Transformer SCHEMATIC DIAGRAM 1 Prinmary 4 .590 (15.19) 5 Secondary 7 .590 (15.19) .307 (7.80) .120 (3.05) MIN. .147 (3.75) TYP. Pin Diameter is 0.024 (0.6) Bottom View 1 2 3 .540 (13.75) 4 Physical Dimensions in inches (mm) 8 7 6 5 10/25/01 Rhombus Industries Inc. Transformers & Magnetic Products 15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 FAX: (714) 896-0971 www.rhombus-ind.com