Token Ring / Bus Networking Transformer Turns Ratio (1) ( + 2 % ) 1:1:2:2 PARAMETER MIN. OCL (Primary) 225 MAX. UNITS µH Designed for use in either 100 Ω or 150 Ω 16 MHz Applications Leakage Inductance 0.3 µH IEEE 802.5 Compatible Capacitance (CW/W) 15 pF 500 VRMS min. Isolation Rise Time 5.0 ns Dual Coil Package Primary DC Resistance 0.4 ohms Secondary DC Resistance 0.8 ohms Insertion Loss -0.5 dB ( 1 - 20 MHz ) 1. Pins 2-10 : 3-5 : 8-9 : 6-7 150Ω : 150Ω Pin Connections: (10-5 : 8-9) or (10-5 : 6-7) 100Ω : 150Ω Pin Connections: (1-4 : 8-9) or (1-4 : 6-7) Schematic Diagram 9 8 7 6 2 3 4 5 Physical Dimensions inches (mm) .507 (12.88) .400 (10.16) MAX. MAX. .020 .250 (0.51) (6.35) TYP. MAX. .120 (3.05) 10 1 MIN. .025 (0.64) .100 (2.54) DIA. TYP. 1 2 3 4 .300 (7.62) 5 Bottom View 10 9 8 7 6 Rhombus Industries Inc. Transformers & Magnetic Products RHOMBUS P/N: T-11230 CUST P/N: DATE: 06/18/01 NAME: SHEET: 1 of 1 15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 FAX: (714) 896-0971 www.rhombus-ind.com