F-1403

Common Mode Chokes for Telecom Applications Designed for 4-Wire Links ISDN S / T1 For EMI Reduction - Filters Common Mode Noise 500 VRMS Minimum Isolation Between Windings Frequencies 100 kHz to 200MHz Schematic Low Frequency Chokes Electrical Specifications at 25OC LF Choke OCL LL sec Part min. max. Number ( mH ) ( µH ) CW/W max. ( pF ) DCR max. (Ω) ZOC min. ( kΩ ) 150 kHz ZOC min. ( kΩ ) 300 kHz ZOC min. ( kΩ ) 500 kHz ZOC min. ( kΩ ) 1MHZ F-1400 F-1401 F-1402 F-1403 6.0 4.0 4.0 1.0 35.0 30.0 0.7 10.0 22 10 40 10 1.4 0.7 0.7 0.7 5.5 3.3 3.3 0.9 8.0 6.0 6.0 1.6 8.0 8.0 8.0 2.3 9.0 11.0 11.0 3.3 High Frequency Chokes Electrical Specifications at 25OC HF Choke Part Number OCL min. ( µH ) LL sec max. ( µH ) CW/W max. ( pF ) DCR max. (Ω) ZOC min. ( kΩ ) 10 MHz ZOC min. ( kΩ ) 30 MHz ZOC min. ( kΩ ) 70MHz ZOC min. ( kΩ ) 100MHZ F-1600 F-1601 F-1602 24.0 16.0 8.0 0.20 0.20 0.20 15 12 10 0.30 0.30 0.25 0.9 0.7 0.55 1.60 1.35 1.10 1.15 1.05 1.00 0.80 0.65 0.52 *OCL, LAN Chokes LEAKElectrical Specifications at 25 C AGE Turns OCL Part Ratio min. Number INDU ( µH ) O F-135X Schematic LL sec max. ( µH ) CW/W max. ( pF ) DCR max. (Ω) HI-POT min. ( VRMS ) Package Style F-1351 F-1352 1:1:1:1 1:1:1:1 18 36 .3 .3 65 200 25 25 500 500 8 Pin 8 Pin Impedance Curve for F-1351 / 1352 4000 Typical 3000 Z 2000 (Ω) 1000 0 10 20 40 60 80 100 Frequency ( MHz ) 200 300 300 Minimum Specifications subject to change without notice. For other values & Custom Designs, contact factory. CHOKES -7/97 Rhombus Industries Inc. 31 15801 Chemical Lane, Huntington Beach, CA 92649-1595 Tel: (714) 898-0960 • Fax: (714) 896-0971