PARAMETER UNITS DDS Application Pulse Transformer Turns Ratio 1CT:1 + 1% Longitudinal Balance 60 dB Primary DC Resistance 6+5% Ω Secondary DC Resistance 6 +5% Ω Frequency Response (600Hz - 560KHz) +1.0 dB Insertion Loss @ 10KHz 1.25 +0.25 dB Isolation (HI-POT) 1500 VRMS Designed for DDS applications Primary DC None Part Number T-909 5-Pin Version T-909-5 Inductance (tested @ 1 kHz & 1VRMS) 40 Nom. mH Compatible with Level One LXT441 Leakage Inductance (tested @ 10 kHz & 1VRMS) 15 Max.. µH Low Profile "Touch Tone" design Interwinding Capacitance (tested @ 10 kHz & 1VRMS) 60 Max. pF Custom versions of this transformer are available. A Surface Mount version of this transformer is available Schematic Diagram Physical Dimensions in inches (mm) 5-Pin Part Number T-910-5: per Drawing Below Pin #2 is removed SEC PRI Notch on bobbin indicates pin #1 02/28/97 Rhombus Industries Inc. Transformers & Magnetic Products www.rhombus-ind.com 15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 FAX: (714) 896-0971