Isolation Transformer ELECTRONICS INC. EPA1271A & EPA1271A-LF • High Isolation Transformer • UL94V-0 Recognized Materials • UL 1446 Class B Insulation System • Add “-LF” after part number for Lead Free • Isolation : 2000 Vrms Electrical Parameters @ 25° C Primary Inductance (mH ± 20%) Interwinding Capacitance (pF Max.) Leakage Inductance (µH Max.) Primary ET (V-µSec, Min) Turns Ratio (± 5%) 2.5 25 8 20 1:1 DCR (Ω Max.) 1.0 Crosstalk (dB Min.) @ 1 MHz 1.0 -70 Schematic Notes : 1. Assembly Process (Lead Finish) EPA1271A EPA1271A-LF SnPb Hot Tin Dip (Sn) (Solder Composition) 2. Peak Solder Rating (per JESD22-B106-B) 3. Weight 4. Packaging Information (Tube) 260°C 260°C 10 (+2/-0) seconds 10 (+2/-0) seconds TBD grams TBD grams TBD pieces/tube TBD pieces/tube 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 Package .900 (22.86) PCA EPA1271A(-LF) D.C. Pin 1 I.D. .120 Min. (3.05) .450 Max. (11.43) .400 Max. (10.16) .030 (.762) .020 (.508) .100 (2.54) .300 (7.62) 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. CSA1271A & -LF Rev. 1 9/14/06 RR TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com