PARAMETER (1) Inductance (1) Leakage Inductance (1) UNITS 85.0 Min. µH 0.25 Max. µH 12 Max. pF 0.30 Max. Ω 500 Min. VRMS 20 MHz 10k Min. MΩ 250 mW Interwinding Capacitance Primary DC Resistance Isolation (HI-POT) SRF (Ref.) Insulation Resistance Power Rating High Frequency Data Line Filter 3 Coils 6 Data Lines F-137 Schematic Diagram Crosstalk 60 dB @ 5 MHz Nominal 50 dB @ 10 MHz Nominal Longitudinal Conversion Loss 0 - 300KHz 56 dB Min. 300 KHz - 500KHz 52 db Min. 500 KHz - 1MHz 46 dB Min. 1MHz - 5 MHz 36 db Min. Operating Temperature Range -40OC TO +85OC Storage Temperature Range -55OC TO +125OC Turns ratio 1:1 + 0% Current Rating: 100mA 1 Tested at 100KHz and 100 mVRMS Physical Dimensions in inches (mm) 6/30/97 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 High Frequency Data Line Filter: P/N F-137 Impedance Impedance (Ω) 3500 3000 2500 2000 1500 1000 500 1 MHz Frequency 500 MHz Crosstalk Crosstalk ( dB ) - 40 - 50 - 60 - 70 - 80 1 MHz Frequency 10 MHz 7/29/97 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 Crosstalk D.U.T = F-129G D.U.T. = F-137 Sine Wave 2VRMS up to 10MHz RS = 50 Ω RL = 135 Ω 20 Log V/E Longitudinal Conversion Loss D.U.T = F-129G D.U.T. = F-137 Resistors Matched to within 0.03% R1 + R2 = 67.5 Ω R3 + R4 = 67.5 Ω 20 Log EL/ETr 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