This part is a kind of semiconductor called 200WNA1.

Function of this product has PQ200WNA1ZPH.

Manufacturers : Sharp

Image and pinout :

Some of the text within the PDF file :

PQ200WNA1ZPH PQ200WNA1ZPH Compact Surface Mount type Low Power-Loss Voltage Regulators Features 1.Output current : 1A 2.High isolation voltage VIN:MAX.24 V 3.Low dissipation current (Dissipation current at no load: MAX. 8mA Output OFF-state dissipation current: MAX.5μA) 4.Built-in ON/OFF function 5.Built-in overcurrent and overheat protection functions 6.Built-in ASO protection function 7.Ceramic capacitor compatible 8.RoHS directive compliant ■ Outline Dimensions (Unit : mm) 6.6MAX. 5.2±0.5 3 2.1±0.5 (0.3) Epoxy resin 200WNA1 9.7MAX. 2.5MIN. 5.5±0.2 0.7 MAX. Lead finish identification mark H (0～0.25) 0.3 +0.2 -0.1 (0.3) Applications 1.AV equipment 2.OA equipment 4-(1.27) ( ) : Typical dimensions Product mass:(0.2g) 1 2 4 5 Absolute Maximum Ratings [ ... ]

200WNA1 PDF Datasheet Download