RoHS EFD20 Power Transformer AEFD20-4251 al Specificat ions @25oC EFD20 Core Design Wire Wound SMD Low Profile Design Operating Temperature range: -40ºC to +130ºC Specifications @25℃ Inductance L @100KHz, 0.8V (1,2-3,4) Leakage Inductance LK @ 100KHz, 0.8V (1,2-3,4) (with 7,8,9,10,11,12 Shorted) R(1 - 3) R(2 - 4) R(5 - 6) R(12,11,10-9,8,7) .25uH Max 20mΩ Max 18mΩ Max 130mΩ Max 3mΩ Max 4.50uH (±5%) DC Resistance Specifications @25℃ Turns Ratio @100KHz, 0.1V Hi-Pot (1-3) : (12,11,10-9,8,7) (1-3) : (2-4) (1-3) : (5-6) 1 : 1±3% 0.857 : 1±3% 1,2,3,4,5,6 to 7,8,9,10,11,12 1800VAC/SEC 3 : 1±3% 1,2,3,4 to 5,6 1,2,3,4,5,6,7,8,9,10,11,12 to CORE 600VAC/SEC 600VAC/SEC All specifications subject to change without notice. MECHANICAL UNIT: mm D Allied AEFD20-4251 YYWW A 12 0.13 1 C SIDE VIEW F 1 E 1 6 FRONTVIEW 6 B 12 7 BOTTOM VIEW 949-356-1780 A B C D E F 21.84 MAX 29.21 MAX 11.43 MAX 24.00 MAX 3.00 ±0.50 0.70 ±0.15 ALLIED COMPONENTS INTERNATIONAL 08/27/2015 15 1 of 2 www.alliedcomponents.com RoHS EFD20 Power Transformer SCHEMATICS AEFD20-4251 cat ions @25oC 1 2FSW Φ0.25mm *5 6T's 3 2 12, 11, 10 2FSW Φ0.25mm *5 6T's FOIL 66*10.5*0.127t 2T'S 4 5 9, 8, 7 2FSW Φ0.25mm 7T's 6 949-356-1780 ALLIED COMPONENTS INTERNATIONAL 08/27/2015 15 2 of 2 www.alliedcomponents.com