ISOLATION TRANSFORMER DESIGNED FOR USE WITH SGS ST7537 Turns Ratio ( + 5% ) Pins 5-3:3-1:6-2 PARAMETER Flammability: Materials used in the production of these units meet requirements of UL94-VO and IEC 695-2-2 needle flame test. 4:1:1 MIN. MAX. UNITS 168 µHy Leakage Inductance 5 µHy Interwinding Capacitance (CW/W) 12 pF Primary DC Resistance 0.6 ohms Secondary DC Resistance 0.4 ohms Open Circuit Inductance 112 Isolation (HI-POT) 1.5 KVRMS ET Product 10 VµS Temperature Characteristics: -40o C 89.6 µH min. (20% drop in inductance) +85o C 1.42 µH min. (27% growth in inductance) Typical part: 140 µH @ +25o C 178 µH @ +85o C 112 µH @ -40o C Parts shipped in anti-static tubes. 50 pieces per tube TEST CONDITIONS: Oscillation Voltage = 20mV Oscillation Frequency = 100.0 KHz Inductance measured on Primary winding. Pins 5 - 3. PHYSICAL DIMENSIONS All dimensions in inches (mm): SCHEMATIC DIAGRAM RHOMBUS P/N: T-933 CUST P/N: DATE: 7/8/97 Rhombus Industries Inc. Transformers & Magnetic Products www.rhombus-ind.com NAME: SHEET: 1 OF 1 15801 Chemical Lane, Huntington Beach, CA 92649-1595 Phone: (714) 898-0960 FAX: (714) 896-0971