ShenZhen Magnetic Cube Technology Co., LTD. TSM SERIES ® Part numbering system ◎ All test Data is referenced to 25℃ ambient. ◎ Operating temperature range: -35℃ to 125℃. ◎ Irms: Typical Heat Rating DC Current would cause an approximately △T of 40℃. ◎ Isat: Typical Saturation DC Current would cause Lo to drop approximately 30%. ◎ The Part temperature (ambient + △T) should not exceed 125℃ under worst case operating conditions. ◎ Circuit design, component placement, PWB trace size and thickne.