SDSL PULSE TRANSFORMER SCHEMATIC DIAGRAM: Turns Ratio PRI : SEC ( + 2% ) PARAMETER MIN Inductance 1.93 Leakage Inductance DCR (ANY WINDING) Isolation 2CT : 1 MAX 1 Pri. UNITS 2.36 mH 11 µH 0.60 Ω 2500 9 2 Sec. 4 7 Pri. 5 VRMS Test Conditions: Inductance tested at 0.1V, and 10 kHz (Pins 1-5 with 2-4 shorted ) Leakage Inductance tested at 0.1V, and 100 kHz (Pins 1-5 with 2-4 shorted & 6-7-9-10 shorted) -Designed to meet UL1950 requirements for suplementary insulation (250V working voltage). -Designed to accommodate Brooktree (Rockwell) BT8970 and RS8973, with no DC current. PHYSICAL DIMENSIONS All dimensions in inches (mm): .560 (14.22) MAX. .550 (13.97) MAX. PIN POSITION GRID 0.100 (2.54) HOLES FOR BOBBIN PINS .495 (12.57) MAX. .210 (5.33) TYP. .100 (2.54) TYP. 10 9 8 7 .400 (10.16) TYP. Pin Diameter is 0.025 (0.64) 6 RHOMBUS INDUSTRIES INC. FSCM NO. 16714 Bottom View RHOMBUS P/N: T-1227 1 2 3 4 5 Rhombus Industries Inc. Transformers & Magnetic Products CUST P/N: DATE: 4/16/99 NAME: SHEET: 1 OF 1 15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 FAX: (714) 896-0971