MC145572

The MC145572 is designed as one kind of U interface transformer device that has some points of features:(1)Operating Temp. Range -40 to +85 ; (2)Primary is Line Side (Pins 1,2,4,5); (3)Secondary is Chip Side (Pins 7,8,9); (4)Surge Voltage Capability; (5)Metallic Voltage: 800 V peak, 10/560 uS; (6)Longitudinal Voltage: 2400 V peak, 10/700 uS.

The electrical characteristics of the MC145572 can be summarized as:(1)Primary Inductance (Line Side) Pins 1 to 5 with 2 & 4 shorted.: 26.3 to 29.7 mH;(2)Primary DC Resistance: 12 ohms;(3)Secondary DC Resistance: 8 ohms;(4)Isolation (Hi-Pot): 2000 VRMS;(5)DC Bias: 80 mA;(6)Return Loss 10KHz & 25 KHz: 20 dB;(7)Longitudinal Balance (281 Hz to 40 KHz): 55 dB. If you want to know more information about the MC145572, please download the datasheet in www.seekic.com or www.chinaicmart.com .