Stand-Off Type Pulse Transformers ELECTRONICS INC. EP182XX • UL94V0 Recognized Materials • UL1446 Class B Insulating System • Operating Temperature : 0°C to 70°C • IR : 10 K megΩ Min. 500 Vdc • Hipot : 500 Vdc Electrical Parameters @ 25° C PCA Part Number EP18270 EP18271 EP18272 EP18273 EP18274 EP18275 EP18276 EP18277 EP18278 EP18279 EP18280 EP18281 OCL Sine Wave (µH Min.) 2000 500 200 50 20 10 2000 500 200 50 20 10 Interwinding Capacitance (pF Max.) 37 32 18 18 21 22 19 12 8 12 12 9 Primary Et-Constant (V-µSec. Min.) 16 8.5 5.0 5.2 3.2 3.7 16 8.5 5.0 5.2 5.8 3.7 Leakage Inductance (µH Max.) 0.8 0.4 0.3 0.5 0.4 0.5 1.8 1.2 0.8 1.3 1.5 1.5 Rise Time (nS Max.) 8.2 5.3 4.2 5.6 4.1 5.1 11 5.6 3.2 5.2 7.2 4.5 Turns Ratio (± 5%) 1CT:1CT 1CT:1CT 1CT:1CT 1CT:1CT 1CT:1CT 1CT:1CT 2CT:1CT 2CT:1CT 2CT:1CT 2CT:1CT 2CT:1CT 2CT:1CT DCR (Ω Max.) Pri. Sec. 2.5 2.5 1.3 1.3 0.9 0.9 1.3 1.3 0.9 0.9 0.9 0.9 2.5 1.4 1.4 0.8 0.9 0.5 1.3 0.7 1.3 0.8 0.9 0.5 Schematic 5 6 3 4 1 2 Package 5 3 6 PCA EP182XX D.C. 1 4 .350 Max. (8.89) 2 .500 Max. (12.70) .250 Max. (6.35) .020 (.508) .070 Min. (1.78) .500 Min. (12.70) .400 (10.16) .100 (2.54) .200 (5.08) 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. CS182XX Rev. 2 5/6/03 TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com