Stand-Off Type Pulse Transformers ELECTRONICS INC. EP157XX & EP157XX-LF • UL94V0 Recognized Materials • UL1446 Class B Insulating System • Add “-LF” after part number for Lead-Free • Storage Temperature : -40°C to +125°C • Operating Temperature : 0°C to +70°C • IR : 10 K megΩ Min. 500 Vdc • Hipot : 500 Vdc Electrical Parameters @ 25° C PCA Part Number OCL Sine Wave (µH Min.) 5000 2000 500 200 50 20 10 5000 2000 500 200 20 200 20 2000 500 200 EP15760(-LF) EP15761(-LF) EP15762(-LF) EP15763(-LF) EP15764(-LF) EP15765(-LF) EP15766(-LF) EP15767(-LF) EP15768(-LF) EP15769(-LF) EP15770(-LF) EP15772(-LF) EP15777(-LF) EP15779(-LF) EP15782(-LF) EP15783(-LF) EP15784(-LF) Interwinding Capacitance (pF Max.) 60 37 32 18 18 21 22 33 19 11 8 12 7 6 20 13 8 Primary Et-Constant (V-µSec. Min.) 25 16 8.5 5.0 5.2 3.2 3.7 25 16 8.5 5.0 5.8 5.0 3.2 16 8.5 5.0 Leakage Inductance (µH Max.) 1.3 0.8 0.4 0.3 0.5 0.4 0.5 3.6 1.8 1.1 0.8 1.5 1.1 1.3 2.5 0.9 0.8 Rise Time (nS Max.) 10.5 8.2 5.3 4.2 5.6 4.1 5.1 16 11 5.6 3.2 7.5 3.6 2.7 13 4.7 3.7 Turns Ratio (± 5%) 1:1:1 1:1:1 1:1:1 1:1:1 1:1:1 1:1:1 1:1:1 2:1:1 2:1:1 2:1:1 2:1:1 2:1:1 3:1:1 3:1:1 4:2:1 4:2:1 4:2:1 Package 6 PCA EP157XX(-LF) 3 4 D.C. Pri. 3.9 2.5 1.3 0.9 1.3 0.9 0.9 3.9 2.5 1.3 0.9 1.3 0.9 0.9 2.5 1.4 0.9 Tert. 3.9 2.5 1.3 0.9 1.3 0.9 0.9 2.0 1.4 0.7 0.5 0.8 0.4 0.4 0.8 0.5 0.4 Schematic 5 1 DCR (Ω Max.) Sec. 3.9 2.5 1.3 0.9 1.3 0.9 0.9 2.0 1.4 0.7 0.5 0.8 0.4 0.4 1.4 1.8 0.9 5 .350 Max. (8.89) 6 N3 3 4 N2 2 1 2 N1 3 Windings .500 Max. (12.70) .250 Max. (6.35) .070 Min. (1.78) .500 Min. (12.70) .020 (.508) .400 (10.16) .100 (2.54) .200 (5.08) Notes : EP157XX EP157XX-LF SnPb Hot Dipped Sn or SnCu 225°C (10 +2/-0) Seconds 260°C (10 +2/-0) Seconds 1. Assembly Process (Solder Composition) 2. Peak Temperature Rating 3. Weight 4. Packaging Information (Tube) TBD grams TBD grams TBD pcs / tube TBD pcs / tube 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. CS157XX & -LF Rev. 3 6/2/08 RR TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com