Power Transformer ELECTRONICS INC. EPC3075G & EPC3075G-LF • Used in SMPS Forward Topology • 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 ± 25%) Leakage Inductance (µH Max.) DCR (Ω Max.) Turns Ratio ±2% @ 100 KHz, 0.1 Vrms 532 1.0 0.070 0.118 0.023 0.014 0.047 1 : .455 : .136 : .273 : .182 Pins 2-3 Pins 2-3 w/all others shorted Pins 2-3 Pins 1-2 Pins 5-6 Pins 6-7 Pins 9-10 Pins 2-3 : 1-2 : 5-6 : 6-7 : 9-10 Package Schematic 1.035 (26.29) .032 (0.81) .070 (1.78) .197 (5.00) Suggested Pad Layout .760 (19.30) .591 (15.00) .800 Max. (20.32) 5 0.865 (21.97) .663 (16.84) 1 6 2 7 3 9 10 .085 (2.16) .138 (3.51) .138 (3.51) .197 (5.00) .780 (19.80) Marking : PCA EPC3075G(-LF) Date Code .430 Max. (10.92) .995 Max. (25.27) EPC3075G EPC3075G-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) 7.4 grams 7.4 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. CSC3075G & -LF Rev. 6 7/10/06 FT TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com