Surface Mount Power Transformer EPC3018G-EPC3019G ELECTRONICS INC. Features of the EFD15-6 Series • Selected models can be used in SMPS Forward, Push-Pull or Half & Full Bridge Topology • UL1446 Class B Insulating System • UL 94V-0 Recognized Material • Very Low Core Loss Materials • Very Low Leakage Inductance Primary Specification Part Number EPC3018G EPC3019G Connection DCR (Ω Max.) Series Parallel Single Wdg Series Parallel Single Wdg Irms (Amps) Inductance (µH ± 25%) @ 0 Adc Vt 1 (V-µSec. Max.) .083 xNs 4.4 /Ks 131.8 x(Ns) 2 .083 /Np 4.4 /Kp 131.8 .083 1.8 131.8 .057xNs 5.3 /Ks 63.2 x(Ns) 2 .057 /Np 5.3 /Kp 63.2 .057 2.17 63.2 • Switching Frequency : Up to 1 MHz • Isolation : 500 Vrms • 62.5 xNs 62.5 62.5 43 xNs 43 43 Temp. Rise @ Irms (°C Typ.) 39 39 39 39 39 39 Notes : 1. Ns = Number of series connections 2. Np = Number of parallel connections 3. Ks = Ns x 6/Ns 4. Kp = 6/Np Package EFD15-6 Pin 1 I.D. .028 (.700) .646 Max. (16.40) 1 .098 .492 (2.50) (12.50) Schematic 1 4 12 9 2 5 11 8 3 6 12 .709 MAX. (18.00) PCA EPC30XXG D.C. 7 6 10 .016 (.400) 0°-8° .072 (1.82) .837 (21.25) 7 1:1:1:1:1:1 .315 Max. (8.00) .012 (.300) Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25 PCA ELECTRONICS, INC. 16799 SCHOENBORN ST. NORTH HILLS, CA 91343 Product performance is limited to specified parameters. Data is subject to change without prior notice. CSC3018G-CSC3019G Rev. 2 12/18/02 TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com