Panasonic Electronic Components ETJ-04K1AZ Current Rating: - Dc Resistance (dcr): 3 mOhm Primary, 17 Ohm Secondary E.t.: - Inductance: - Mounting Type: Surface Mount Series: ETJ Transformer Type: Frequency 200-500kHz Turns Ratio - Primary:secondary: 1 : 150 Other Names: ETJ04K1AZ, PCD1548TR