So Interface Transformer ELECTRONICS INC. EPA4227G-LF • Optimized for Leading Transceiver I.C.’s • Designed to meet CCITT 1.430 4 Wire So Interface • Operating Temperature : -40°C to +85°C • Storage Temperature : -40°C to +130°C • Lead Free Electrical Parameters @ 25° C Hipot (Vrms) DCR (Ω Max.) Inductance (mH Min.) Interwinding Capacitance (pF Max.) Leakage Inductance (µH Max.) Impedance (Ω Min.) @ IDC, 4 mA @ 10 KHz, 0.1 Vrms @ 10 KHz, 0.1 Vrms @ 100 KHz, 0.1 Vrms 30 110 3.5 1500 500 625 0.60 W3 & W4 W3 & W4 to W1 & W2 W3 & W4 with W1 & W2 shorted W3 & W4 to W1 & W2 Wdg to Wdg W3 & W4 W1,W2,W3,W4 @ 20 KHz, 0.1 Vrms Package 4 1 .575 (14.60) 5 PCA EPA4227G-LF Date Code 1 Pad Layout .402 (10.20) 8 .130 (3.30) .449 (11.40) .264 Typ. (6.70) 5 W1 W3 2 .100 (2.54) .100 (2.54) Pin 1 I.D. .543 (13.80) Schematic 6 3 .300 (7.62) 7 W2 4 W4 1:1:1:1 ± 2% W1:W2:W3:W4 8 .315 (8.00) .299 (7.60) 1 8 .016 (.400) Notes : EPA4227G-LF 1. Lead Finish 4 Bottom View 5 Hot Dip Sn or (SnCu) 2. Peak Solder Rating 250° 1 (Unlimited ≤ 30°C/60% RH) 3. Moisture Sensitive Levels 3. Weight TBD grams 4. Packaging Information Tray : Tape & Reel : TBD pieces/tray TBD pieces/13” reel 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. CSA4227G-LF Rev. - 3/13/08 WC TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com