October 2, 2009 ROMOLAND, INC. 4283-1250 SERIES TRANSFORMER, HIGH VOLTAGE FLYBACK Features 2000 V Peak CT Output Full Selection of Turns Ratio For Portable Application Virtually Corona Free Operating Temperature Range: -60°C to +125°C SPECIFICATION TABLE @ 25°C TURN RATIO 3-5: 1-2 MIN NOM MAX UNITS 79.2 80 80.8 NONE DCR .008 OHMS INDUCTANCE (NOTE 1) 7.0 µH VOLT MICROSECONDS VOLTAGE RATING DCR 3-5 INDUCTANCE (NOTE1) : 3-5 150 VµH 25 VOLT PEAK 11.5 OHMS 45 mH 2000 VOLTAGE RATING: 3-5 VOLT PEAK 4.8 DISTRIBUTED CAPACITY DIELECTRIC WITHSTANDING VOLTAGE (PRIMARY TO SECONDARY) pf 3500 Vrms WATTS POWER LEAKAGE INDUCTANCE (NOTE 2) 0.06 SELF RESONANT FREQUENCY (3-5) 340 30 µH kHz 1.05 CL 1 .365 .910 CL .730 5 4 3 1 2 PRIMARY 2 3 4 5 SCHEMATIC 5X Ø .040 .20 STANDOFF HEIGHT .400 .030 MIN .150 ±.03 DATATRONICS 4283-1250 NOTES: 1. MEASURE WITH .1V AT 10 kHz. 2. MEASURE 1-2 WITH .1V AT 100 kHZ, SHORT 3-5. DATE CODE 1.00 DIMENSIONS IN INCHES UNLESS OTHERWISE SPECIFIED TOLERANCE: ± .010. Datatronics: 28151 Highway 74, Romoland, CA 92585 Tel: 909-928-7700 Fax: 909-928-7701 Email: [email protected] All Specifications are subject to change without notice