Power Transformer ELECTRONICS INC. EPC3074G & EPC3074G-LF • Add “-LF” after part number for Lead-Free • UL 1446 Class B Insulation System • UL 94V-0 Recognized Material • High Frequency Transformer • Low Core Loss Material • 2250 Vac Isolation Primary Specification @ 25°C Inductance (µH ± 10%) DCR (Ω Max.) @ 100 KHz, 0.1 Vrms 16 Pins 1,2 - 12,11 .015 Pins 1,2 - 12, 11 .112 Pins 3-10 Turns Ratio ±2% 1.10 Pins 4-9 .820 Pins 6-7 1 : 1 : 1.5 : 4.40 : 3 Pins 1-12 : 2-11 : 3-10 : 4-9 : 6-7 Package Schematic 1 .886 Max. (22.50) .035 (0.90) .675 Max. (17.15) Marking : PCA EPC3074G(-LF) Date Code Suggested Pad Layout .100 (2.54) .340 Max. (8.64) 1 1 1 9 8 7 .780 (19.80) .494 (12.55) .088 (2.24) 12 4 2 9 11 6 3 7 10 1 2 3 4 5 6 .610 (15.50) EPC3074G EPC3074G-LF 1. Lead Finish Notes : SnPb Hot Tin Dip (Sn) † 2. Peak Solder Rating 225°C 245°C 1 (Unlimited, ≤30°C/60%RH) 1 (Unlimited, ≤30°C/60%RH) 3. Moisture Sensitive Levels (MSL) 4. Weight 5. Packaging Information (Tube) 4.6 grams 4.6 grams TBD pcs / tube TBD pcs / tube † Leadframe : Matte Tin with Ni Flash Barrier 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. CSC3074G & -LF Rev. 6 7/10/06 FT TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com